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4h</span> </div> </a> <ul id="toc-Yellow_P+N+E,_4h-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Blue_3P+N+E,_9h" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Blue_3P+N+E,_9h"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.4</span> <span>Blue 3P+N+E, 9h</span> </div> </a> <ul id="toc-Blue_3P+N+E,_9h-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Switched-socket_outlets_with_interlocks" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Switched-socket_outlets_with_interlocks"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Switched-socket outlets with interlocks</span> </div> </a> <ul id="toc-Switched-socket_outlets_with_interlocks-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" 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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">IEC 60309</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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60309 – German" lang="de" hreflang="de" data-title="IEC 60309" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/IEC_60309" title="IEC 60309 – Spanish" lang="es" hreflang="es" data-title="IEC 60309" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/CEI_60309" title="CEI 60309 – French" lang="fr" hreflang="fr" data-title="CEI 60309" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/IEC_60309_elektromos_csatlakoz%C3%B3szabv%C3%A1ny" title="IEC 60309 elektromos csatlakozószabvány – Hungarian" lang="hu" hreflang="hu" data-title="IEC 60309 elektromos csatlakozószabvány" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/IEC_60309" title="IEC 60309 – Dutch" lang="nl" hreflang="nl" data-title="IEC 60309" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Z%C5%82%C4%85cze_CEE" title="Złącze CEE – Polish" lang="pl" hreflang="pl" data-title="Złącze CEE" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/IEC_60309" title="IEC 60309 – Portuguese" lang="pt" hreflang="pt" data-title="IEC 60309" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/IEC_60309" title="IEC 60309 – Swedish" lang="sv" hreflang="sv" data-title="IEC 60309" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1653425#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu 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Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22IEC+60309%22">"IEC 60309"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22IEC+60309%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22IEC+60309%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22IEC+60309%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22IEC+60309%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22IEC+60309%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">April 2011</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox infobox-table"><caption class="infobox-title">IEC 60309</caption><tbody><tr><td colspan="4" class="infobox-image"> <span typeof="mw:File/Frameless"><a href="/wiki/File:CEE_3P%2BN%2BPE_230V.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/CEE_3P%2BN%2BPE_230V.jpg/240px-CEE_3P%2BN%2BPE_230V.jpg" decoding="async" width="240" height="166" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/CEE_3P%2BN%2BPE_230V.jpg/360px-CEE_3P%2BN%2BPE_230V.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c1/CEE_3P%2BN%2BPE_230V.jpg/480px-CEE_3P%2BN%2BPE_230V.jpg 2x" data-file-width="800" data-file-height="554" /></a></span><div class="infobox-caption">16 A 250 V 3P+E+N 9h socket and plug. The round plug shroud has an alignment key that mates with a matching slot in the socket. The female socket has two additional divots which are not required by the standard, but provide access to screws to disassemble the socket. When mated, the spring-loaded cover on the socket hooks over the lug visible on top of the plug to lock the two together.</div></td></tr><tr><th colspan="4" class="infobox-header" style="background:#ccccff">General specifications</th></tr><tr><th scope="row" class="infobox-label">Width</th><td colspan="3" class="infobox-data"> 250</td></tr><tr><th scope="row" class="infobox-label">Pins</th><td colspan="3" class="infobox-data"> 3–5(+1)</td></tr><tr><th colspan="4" class="infobox-header" style="background:#ccccff">Electrical</th></tr><tr><th scope="row" class="infobox-label">Max. voltage</th><td colspan="3" class="infobox-data"> 1,000 V</td></tr><tr><th scope="row" class="infobox-label">Max. current</th><td colspan="3" class="infobox-data"> 800 A</td></tr><tr><th colspan="4" class="infobox-header" style="background:#ccccff">Pinout</th></tr><tr><td colspan="4" class="infobox-full-data"> <span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_16-20A_2P%2BE_socket.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/IEC_60309-2_16-20A_2P%2BE_socket.svg/89px-IEC_60309-2_16-20A_2P%2BE_socket.svg.png" decoding="async" width="89" height="96" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/IEC_60309-2_16-20A_2P%2BE_socket.svg/134px-IEC_60309-2_16-20A_2P%2BE_socket.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/50/IEC_60309-2_16-20A_2P%2BE_socket.svg/178px-IEC_60309-2_16-20A_2P%2BE_socket.svg.png 2x" data-file-width="171" data-file-height="184" /></a></span></td></tr><tr><td colspan="4" class="infobox-full-data"> 200–250 VAC (blue) 16/20 A 2P+E 6h socket for single-phase AC power. Drawn approximately to scale. Clockwise from bottom: PE, L, N.</td></tr><tr><td colspan="4" class="infobox-full-data"> <span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_125-100A_3P%2BN%2BE_socket.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/IEC_60309-2_125-100A_3P%2BN%2BE_socket.svg/166px-IEC_60309-2_125-100A_3P%2BN%2BE_socket.svg.png" decoding="async" width="166" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/IEC_60309-2_125-100A_3P%2BN%2BE_socket.svg/249px-IEC_60309-2_125-100A_3P%2BN%2BE_socket.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e1/IEC_60309-2_125-100A_3P%2BN%2BE_socket.svg/332px-IEC_60309-2_125-100A_3P%2BN%2BE_socket.svg.png 2x" data-file-width="308" data-file-height="326" /></a></span></td></tr><tr><td colspan="4" class="infobox-full-data"> 200–240 / 346–415 VAC (red) 125/100 A 3P+N+E 6h socket for three-phase AC power. Drawn approximately to scale. Clockwise from bottom: PE, L1, L2, L3, N.</td></tr><tr><th scope="row" class="infobox-label">PE</th><td class="infobox-data infobox-data-a"> Protective Earth</td><td class="infobox-data infobox-data-b"> ground</td></tr><tr><th scope="row" class="infobox-label">N</th><td class="infobox-data infobox-data-a"> Neutral</td><td class="infobox-data infobox-data-b"> </td></tr><tr><th scope="row" class="infobox-label">L1</th><td class="infobox-data infobox-data-a"> Line 1</td><td class="infobox-data infobox-data-b"> (AC) Phase 1</td></tr><tr><th scope="row" class="infobox-label">L2</th><td class="infobox-data infobox-data-a"> Line 2</td><td class="infobox-data infobox-data-b"> (AC) Phase 2</td></tr><tr><th scope="row" class="infobox-label">L3</th><td class="infobox-data infobox-data-a"> Line 3</td><td class="infobox-data infobox-data-b"> (AC) Phase 3</td></tr><tr><th scope="row" class="infobox-label">PP</th><td class="infobox-data infobox-data-a"> Pilot Pin</td><td class="infobox-data infobox-data-b"> (optional) last-make, first-break to control arcing</td></tr></tbody></table> <p><b>IEC 60309</b> (formerly <b>IEC 309</b> and <b><a href="/wiki/IECEE" title="IECEE">CEE 17</a></b>, also published by <a href="/wiki/European_Committee_for_Electrotechnical_Standardization" title="European Committee for Electrotechnical Standardization">CENELEC</a> as <b>EN 60309</b>) is a series of <a href="/wiki/International_standards" class="mw-redirect" title="International standards">international standards</a> from the <a href="/wiki/International_Electrotechnical_Commission" title="International Electrotechnical Commission">International Electrotechnical Commission</a> (IEC) for "plugs, socket-outlets and couplers for industrial purposes". They are also referred to as "pin & sleeve" connectors in North America<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> or as "CeeForm" connectors in the entertainment industry.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The maximum <a href="/wiki/Voltage" title="Voltage">voltage</a> allowed by the standard is <span class="nowrap"><span data-sort-value="7003100000000000000♠"></span>1000 <a href="/wiki/Volt" title="Volt">V</a></span> <a href="/wiki/Direct_current" title="Direct current">DC</a> or <a href="/wiki/Alternating_current" title="Alternating current">AC</a>; the maximum <a href="/wiki/Current_(electricity)" class="mw-redirect" title="Current (electricity)">current</a>, <span class="nowrap"><span data-sort-value="7002800000000000000♠"></span>800 <a href="/wiki/Ampere" title="Ampere">A</a></span>; and the maximum <a href="/wiki/Frequency" title="Frequency">frequency</a>, <span class="nowrap"><span data-sort-value="7002500000000000000♠"></span>500 <a href="/wiki/Hertz" title="Hertz">Hz</a></span>. The ambient temperature range is <span class="nowrap">−25 °C</span> to <span class="nowrap">40 °C</span>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>There is a range of plugs and sockets of different sizes with differing numbers of pins, depending on the current supplied and number of phases accommodated. Connectors generally are specified by the voltage and current ratings, general configuration (number of pins), and rotational alignment ("keying"). The fittings are popular in open-air conditions, as the connectors have a minimum <a href="/wiki/IP44" class="mw-redirect" title="IP44">IP44</a> weather-proofing rating. They are also sometimes used in situations where their special capabilities (such as high current rating or three-phase facilities) are not needed, to discourage potential users from connecting domestic appliances to the sockets, as 'normal' domestic plugs will not fit. </p><p>The cable connectors and sockets are keyed and colour-coded, according to the voltage range and frequency used; common colours for 50–60 Hz AC power are yellow for 100–130 volts, blue for 200–250 volts, and red for 380–480 volts. The blue fittings are often used for providing weather-proofed exterior sockets for outdoor apparatus. In camping situations, the large 32 A blue fittings provide power to static caravans, whilst the smaller blue 16 A version powers touring caravans and tents. The yellow fittings are used to provide transformer isolated 110 V supplies for UK construction sites to reduce the risk of electric shock, and this use spills over into uses of power tools outside of the construction site environment. The red three-phase versions are used for three-phase portable equipment. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Standardization">Standardization</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=1" title="Edit section: Standardization"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:CEE_Verbindung_63A_6h_IP67_Veranstaltung_2012_05_27.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/CEE_Verbindung_63A_6h_IP67_Veranstaltung_2012_05_27.jpg/250px-CEE_Verbindung_63A_6h_IP67_Veranstaltung_2012_05_27.jpg" decoding="async" width="250" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/CEE_Verbindung_63A_6h_IP67_Veranstaltung_2012_05_27.jpg/375px-CEE_Verbindung_63A_6h_IP67_Veranstaltung_2012_05_27.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/CEE_Verbindung_63A_6h_IP67_Veranstaltung_2012_05_27.jpg/500px-CEE_Verbindung_63A_6h_IP67_Veranstaltung_2012_05_27.jpg 2x" data-file-width="2048" data-file-height="1536" /></a><figcaption>63 A, <a href="/wiki/IP67" class="mw-redirect" title="IP67">IP67</a> mated connection</figcaption></figure> <dl><dt>IEC 60309-1</dt> <dd>"Plugs, socket-outlets and couplers for industrial purposes" specifies general functional and safety requirements.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></dd> <dt>IEC 60309-2</dt> <dd>"Dimensional interchangeability requirements for pin and contact-tube accessories" applies to plugs and socket-outlets, cable couplers and appliance couplers with pins and contact tubes of standardized configurations.</dd> <dt>IEC 60309-3</dt> <dd>"Particular requirements for plugs, socket-outlets, connectors and appliance inlets for use in explosive gas atmospheres". This standard was withdrawn in 1998.</dd> <dt>IEC 60309-4</dt> <dd>"Switched socket-outlets and connectors with or without interlock" applies to self-contained products that combine within a single enclosure, a socket-outlet or connector according to IEC 60309-1 or IEC 60309-2 and a switching device, with a rated operating voltage not exceeding 1000 VDC or VAC and 500 Hz, and a rated current not exceeding 800 A.</dd> <dt>IEC 60309-5</dt> <dd>"Dimensional compatibility and interchangeability requirements for plugs, socket-outlets, ship connectors and ship inlets for low-voltage shore connection systems (LVSC)" applies to a single type of plug, socket-outlet, ship connector and ship inlet, intended to connect ships to dedicated shore supply systems described in IEC/IEEE 80005–3.</dd></dl> <p>The standardization was originally done by the CEE (<span title="French-language text"><i lang="fr">Commission internationale de réglementation en vue de l'approbation de l'équipement électrique</i></span>), which became <a href="/wiki/IECEE" title="IECEE">IECEE</a> in 1985 (<a href="/wiki/International_Commission_on_the_Rules_for_the_Approval_of_Electrical_Equipment" class="mw-redirect" title="International Commission on the Rules for the Approval of Electrical Equipment">International Commission on the Rules for the Approval of Electrical Equipment</a>) and is now part of the <a href="/wiki/IEC" class="mw-redirect" title="IEC">IEC</a>. (This is the same body that produced the <a href="/wiki/AC_power_plugs_and_sockets#CEE_7_standard" title="AC power plugs and sockets">"CEE 7" series of domestic AC plugs</a>.) The industrial sockets were standardized in the 1960s in the <b>CEE 17</b> series that was adopted in the UK as BS 4343, and which are now the IEC 60309 standard.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Preferred_current_ratings_and_wire_gauges">Preferred current ratings and wire gauges</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=2" title="Edit section: Preferred current ratings and wire gauges"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The standard includes preferred current ratings and wire gauges for both International (deemed Series I) and North American (deemed Series II) applications. </p><p>Series I preferred current ratings (in amps) are: 16, 32, 63, 125, 250, 400, 630 and 800, with wire gauges specified as mm<sup>2</sup>. </p><p>Series II preferred current ratings (in amps) are: 20, 30, 60, 100, 200, 300, 350, 500 and 600, with wire gauges specified as <a href="/wiki/AWG" class="mw-redirect" title="AWG">AWG</a> and <a href="/wiki/Circular_mil" title="Circular mil">circular mil</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Environmental_protection">Environmental protection</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=3" title="Edit section: Environmental protection"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:CEE_400V_16A_6h_IP67_Stecker_und_Kupplung_2012_01_27.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/89/CEE_400V_16A_6h_IP67_Stecker_und_Kupplung_2012_01_27.jpg/250px-CEE_400V_16A_6h_IP67_Stecker_und_Kupplung_2012_01_27.jpg" decoding="async" width="250" height="141" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/89/CEE_400V_16A_6h_IP67_Stecker_und_Kupplung_2012_01_27.jpg/375px-CEE_400V_16A_6h_IP67_Stecker_und_Kupplung_2012_01_27.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/89/CEE_400V_16A_6h_IP67_Stecker_und_Kupplung_2012_01_27.jpg/500px-CEE_400V_16A_6h_IP67_Stecker_und_Kupplung_2012_01_27.jpg 2x" data-file-width="1920" data-file-height="1080" /></a><figcaption>IP67 plug and receptacle</figcaption></figure> <p>IEC 60309-2 connectors come in <a href="/wiki/IP_Code" class="mw-redirect" title="IP Code">IP44</a> (splash-proof), IP67 (waterproof) and IP66/IP67 (jet-proof/waterproof) variants. In all cases, the rating applies when detached or mated, but not during the mating process. </p><p>The more common IP44 variant features a spring-loaded hinged cap over the socket. When a plug is inserted, the cap hooks over a lug on the plug and retains it in place. Fixed connectors are usually installed angled downward to prevent water entering. </p><p>The IP67 and IP66/IP67 variants include a gasket and a twist-lock ring which seals the two connectors together. </p> <div class="mw-heading mw-heading2"><h2 id="Dimensions">Dimensions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=4" title="Edit section: Dimensions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Plugs have cylindrical connector pins arranged in a circle, with the earth pin 2 mm (0.079 in) larger in diameter than the other pins (used for line/neutral). This is surrounded by a circular shroud on the male connector, which fits into a matching recess on the female connector. </p><p>The standard defines connectors with 3, 4 and 5 pins, but a non-standard variant with 7 pins (6 in a circle plus one in the centre) is commercially available;<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> this can be used for <a href="/wiki/Motor_soft_starter#Star-delta_start-up" title="Motor soft starter">star-delta starting</a> of three-phase motors. </p> <table class="wikitable"> <caption>Nominal dimensions of some example plugs<sup id="cite_ref-IEC_60309-2_7-0" class="reference"><a href="#cite_note-IEC_60309-2-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th colspan="2">Connector rating (A)</th> <th colspan="3">16/20</th> <th colspan="2">32/30</th> <th>63/60</th> <th>125/100 </th></tr> <tr> <th colspan="2">Pins </th> <th><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_16-20A_2P%2BE_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/IEC_60309-2_16-20A_2P%2BE_plug.svg/47px-IEC_60309-2_16-20A_2P%2BE_plug.svg.png" decoding="async" width="47" height="48" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/IEC_60309-2_16-20A_2P%2BE_plug.svg/71px-IEC_60309-2_16-20A_2P%2BE_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/34/IEC_60309-2_16-20A_2P%2BE_plug.svg/94px-IEC_60309-2_16-20A_2P%2BE_plug.svg.png 2x" data-file-width="168" data-file-height="172" /></a></span><br />2+E</th> <th><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_16-20A_3P%2BE_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b7/IEC_60309-2_16-20A_3P%2BE_plug.svg/53px-IEC_60309-2_16-20A_3P%2BE_plug.svg.png" decoding="async" width="53" height="54" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b7/IEC_60309-2_16-20A_3P%2BE_plug.svg/80px-IEC_60309-2_16-20A_3P%2BE_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b7/IEC_60309-2_16-20A_3P%2BE_plug.svg/106px-IEC_60309-2_16-20A_3P%2BE_plug.svg.png 2x" data-file-width="190" data-file-height="193" /></a></span><br />3+E</th> <th><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_16-20A_3P%2BN%2BE_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/IEC_60309-2_16-20A_3P%2BN%2BE_plug.svg/60px-IEC_60309-2_16-20A_3P%2BN%2BE_plug.svg.png" decoding="async" width="60" height="61" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/IEC_60309-2_16-20A_3P%2BN%2BE_plug.svg/90px-IEC_60309-2_16-20A_3P%2BN%2BE_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/87/IEC_60309-2_16-20A_3P%2BN%2BE_plug.svg/120px-IEC_60309-2_16-20A_3P%2BN%2BE_plug.svg.png 2x" data-file-width="214" data-file-height="217" /></a></span><br />4+E </th> <th><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_32-30A_3P%2BE_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/IEC_60309-2_32-30A_3P%2BE_plug.svg/61px-IEC_60309-2_32-30A_3P%2BE_plug.svg.png" decoding="async" width="61" height="62" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/IEC_60309-2_32-30A_3P%2BE_plug.svg/92px-IEC_60309-2_32-30A_3P%2BE_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/27/IEC_60309-2_32-30A_3P%2BE_plug.svg/122px-IEC_60309-2_32-30A_3P%2BE_plug.svg.png 2x" data-file-width="218" data-file-height="221" /></a></span><br />2+E, 3+E</th> <th><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_32-30A_3P%2BN%2BE_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/IEC_60309-2_32-30A_3P%2BN%2BE_plug.svg/67px-IEC_60309-2_32-30A_3P%2BN%2BE_plug.svg.png" decoding="async" width="67" height="68" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/IEC_60309-2_32-30A_3P%2BN%2BE_plug.svg/101px-IEC_60309-2_32-30A_3P%2BN%2BE_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ea/IEC_60309-2_32-30A_3P%2BN%2BE_plug.svg/134px-IEC_60309-2_32-30A_3P%2BN%2BE_plug.svg.png 2x" data-file-width="239" data-file-height="243" /></a></span><br />4+E </th> <th><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_63-60A_3P%2BN%2BE_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/IEC_60309-2_63-60A_3P%2BN%2BE_plug.svg/75px-IEC_60309-2_63-60A_3P%2BN%2BE_plug.svg.png" decoding="async" width="75" height="76" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/IEC_60309-2_63-60A_3P%2BN%2BE_plug.svg/113px-IEC_60309-2_63-60A_3P%2BN%2BE_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/IEC_60309-2_63-60A_3P%2BN%2BE_plug.svg/150px-IEC_60309-2_63-60A_3P%2BN%2BE_plug.svg.png 2x" data-file-width="268" data-file-height="271" /></a></span><br />All </th> <th><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_125-100A_3P%2BN%2BE_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/IEC_60309-2_125-100A_3P%2BN%2BE_plug.svg/87px-IEC_60309-2_125-100A_3P%2BN%2BE_plug.svg.png" decoding="async" width="87" height="88" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/IEC_60309-2_125-100A_3P%2BN%2BE_plug.svg/131px-IEC_60309-2_125-100A_3P%2BN%2BE_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a0/IEC_60309-2_125-100A_3P%2BN%2BE_plug.svg/174px-IEC_60309-2_125-100A_3P%2BN%2BE_plug.svg.png 2x" data-file-width="310" data-file-height="314" /></a></span><br />All </th></tr> <tr> <td rowspan="2">Line & neutral pins </td> <td>diameter</td> <td colspan="3">5 mm (0.20 in)</td> <td colspan="2">6 mm (0.24 in)</td> <td>8 mm (0.31 in)</td> <td>10 mm (0.39 in) </td></tr> <tr> <td>length</td> <td colspan="3">37 mm (1.5 in)</td> <td colspan="2">45 mm (1.8 in)</td> <td>67 mm (2.6 in)</td> <td>71 mm (2.8 in) </td></tr> <tr> <td rowspan="2">Earth pin </td> <td>diameter</td> <td colspan="3">7 mm (0.28 in)</td> <td colspan="2">8 mm (0.31 in)</td> <td>10 mm (0.39 in)</td> <td>12 mm (0.47 in) </td></tr> <tr> <td>length</td> <td colspan="3">37 mm (1.5 in)</td> <td colspan="2">45 mm (1.8 in)</td> <td>67 mm (2.6 in)</td> <td>71 mm (2.8 in) </td></tr> <tr> <td colspan="2">Pin circle diameter</td> <td>17.5 mm (0.69 in)</td> <td>21.5 mm (0.85 in)</td> <td>26.5 mm (1.04 in)</td> <td>25.0 mm (0.98 in)</td> <td>30.3 mm (1.19 in)</td> <td>36.5 mm (1.44 in)</td> <td>42.5 mm (1.67 in) </td></tr> <tr> <td rowspan="2">Plug shroud diameter (>50 V) </td> <td>inner</td> <td>37.9 mm (1.49 in)</td> <td>42.8 mm (1.69 in)</td> <td>48.8 mm (1.92 in)</td> <td>49.7 mm (1.96 in)</td> <td>55.6 mm (2.19 in)</td> <td>61.5 mm (2.42 in)</td> <td>72.5 mm (2.85 in) </td></tr> <tr> <td>outer</td> <td>43.5 mm (1.71 in)</td> <td>49.5 mm (1.95 in)</td> <td>56.1 mm (2.21 in)</td> <td>57.3 mm (2.26 in)</td> <td>63.4 mm (2.50 in)</td> <td>69.5 mm (2.74 in)</td> <td>81.5 mm (3.21 in) </td></tr> <tr> <td colspan="2">Plug major key radius</td> <td colspan="5">3 mm (0.12 in)</td> <td colspan="2">4 mm (0.16 in) </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Pilot_contact">Pilot contact</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=5" title="Edit section: Pilot contact"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:CEE_Stecker_mit_Pilotkontakt_63A_6h_5P_2012_01_31.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/af/CEE_Stecker_mit_Pilotkontakt_63A_6h_5P_2012_01_31.jpg/220px-CEE_Stecker_mit_Pilotkontakt_63A_6h_5P_2012_01_31.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/af/CEE_Stecker_mit_Pilotkontakt_63A_6h_5P_2012_01_31.jpg/330px-CEE_Stecker_mit_Pilotkontakt_63A_6h_5P_2012_01_31.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/af/CEE_Stecker_mit_Pilotkontakt_63A_6h_5P_2012_01_31.jpg/440px-CEE_Stecker_mit_Pilotkontakt_63A_6h_5P_2012_01_31.jpg 2x" data-file-width="3072" data-file-height="2304" /></a><figcaption>63 A plug with pilot contact</figcaption></figure> <p>Connectors rated at 63 A and 125 A may optionally be equipped with a 6 mm pilot contact. This smaller pin in the centre of the connector is shorter than the others, designed to 'make' after all the other pins when connecting a plug and socket, and to 'break' first when disconnecting. It is used to switch off the load. This is useful as disconnecting under load will cause arcing which may cause damage to both the plug and socket, and risk injury to the user. </p><p>The pilot pin is located in the centre of main contact circle on 4- and 5-pin connectors. On 3-pin (2P+E) connectors, it is located on the contact circle opposite the ground pin. The other connectors are located 105° on either side of the earth pin, rather than 120° as in the smaller variants, to make room for the pilot pin. </p> <div class="mw-heading mw-heading3"><h3 id="Extra-low_voltage_variant">Extra-low voltage variant</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=6" title="Edit section: Extra-low voltage variant"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The standard specifies an additional, different design for <a href="/wiki/Extra-low_voltage" title="Extra-low voltage">extra-low voltages</a> up to 50 VAC and currents of 16 or 32 A. This resembles, but is larger than, the <a href="/wiki/DC_connector#IEC_60906-3:1994" title="DC connector">IEC 60906</a> DC connector. </p> <table class="wikitable collapsible floatleft" style="font-size:90%;text-align:center;"> <caption>Low-voltage compatibility </caption> <tbody><tr> <th rowspan="2" colspan="2">  </th> <th colspan="2">Plug </th></tr> <tr> <td><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_16-20A_3P_low-volt_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/IEC_60309-2_16-20A_3P_low-volt_plug.svg/46px-IEC_60309-2_16-20A_3P_low-volt_plug.svg.png" decoding="async" width="46" height="46" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/IEC_60309-2_16-20A_3P_low-volt_plug.svg/69px-IEC_60309-2_16-20A_3P_low-volt_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/32/IEC_60309-2_16-20A_3P_low-volt_plug.svg/92px-IEC_60309-2_16-20A_3P_low-volt_plug.svg.png 2x" data-file-width="163" data-file-height="163" /></a></span><br />16/20 A</td> <td><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_32-30A_3P_low-volt_plug.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/IEC_60309-2_32-30A_3P_low-volt_plug.svg/46px-IEC_60309-2_32-30A_3P_low-volt_plug.svg.png" decoding="async" width="46" height="46" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/IEC_60309-2_32-30A_3P_low-volt_plug.svg/69px-IEC_60309-2_32-30A_3P_low-volt_plug.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/IEC_60309-2_32-30A_3P_low-volt_plug.svg/92px-IEC_60309-2_32-30A_3P_low-volt_plug.svg.png 2x" data-file-width="163" data-file-height="163" /></a></span><br />32/30A </td></tr> <tr> <th rowspan="2">Socket </th> <td><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_16-20A_3P_low-volt_socket.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/96/IEC_60309-2_16-20A_3P_low-volt_socket.svg/46px-IEC_60309-2_16-20A_3P_low-volt_socket.svg.png" decoding="async" width="46" height="46" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/96/IEC_60309-2_16-20A_3P_low-volt_socket.svg/69px-IEC_60309-2_16-20A_3P_low-volt_socket.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/96/IEC_60309-2_16-20A_3P_low-volt_socket.svg/92px-IEC_60309-2_16-20A_3P_low-volt_socket.svg.png 2x" data-file-width="163" data-file-height="163" /></a></span><br />16/20 A </td> <td data-sort-value="Yes" style="background: #DFD; color:black; vertical-align: middle; text-align: center;" class="table-yes2"><span typeof="mw:File"><span title="Yes"><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/13px-Check-green.svg.png" decoding="async" width="13" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/20px-Check-green.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/26px-Check-green.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></td> <td data-sort-value="Yes" style="background: #DFD; color:black; vertical-align: middle; text-align: center;" class="table-yes2"><span typeof="mw:File"><span title="Yes"><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/13px-Check-green.svg.png" decoding="async" width="13" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/20px-Check-green.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/26px-Check-green.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> </td></tr> <tr> <td><span typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_32-30A_3P_low-volt_socket.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/IEC_60309-2_32-30A_3P_low-volt_socket.svg/46px-IEC_60309-2_32-30A_3P_low-volt_socket.svg.png" decoding="async" width="46" height="46" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/IEC_60309-2_32-30A_3P_low-volt_socket.svg/69px-IEC_60309-2_32-30A_3P_low-volt_socket.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/db/IEC_60309-2_32-30A_3P_low-volt_socket.svg/92px-IEC_60309-2_32-30A_3P_low-volt_socket.svg.png 2x" data-file-width="163" data-file-height="163" /></a></span><br />32/30 A </td> <td data-sort-value="No" style="background: #FFE3E3; color:black; vertical-align: middle; text-align: center;" class="table-no2"><span typeof="mw:File"><span title="No"><img alt="No" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Dark_Red_x.svg/13px-Dark_Red_x.svg.png" decoding="async" width="13" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Dark_Red_x.svg/20px-Dark_Red_x.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/48/Dark_Red_x.svg/26px-Dark_Red_x.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span></td> <td data-sort-value="Yes" style="background: #DFD; color:black; vertical-align: middle; text-align: center;" class="table-yes2"><span typeof="mw:File"><span title="Yes"><img alt="Yes" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/13px-Check-green.svg.png" decoding="async" width="13" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/20px-Check-green.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/26/Check-green.svg/26px-Check-green.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> </td></tr></tbody></table> <p>On the male plug, three 6 mm pins each 20.5 mm long are equally spaced around a 15.4 mm diameter circle, starting at the 12-o'clock position. They are surrounded by a 23 mm long shroud with an inner diameter of 36 mm and an outer diameter of 42 mm. The pin opposite the major key is optional and may be omitted to make a 2-pin variant. The inner surface of the male plug shroud is flattened at the 6-o'clock position. One or two grooves are cut in the male plug shroud to mate with corresponding keys in the female socket. There is a required major groove at the 6-o'clock position and an optional minor groove at the 12-o'clock position. </p> <style data-mw-deduplicate="TemplateStyles:r1237032888/mw-parser-output/.tmulti">.mw-parser-output .tmulti .multiimageinner{display:flex;flex-direction:column}.mw-parser-output .tmulti .trow{display:flex;flex-direction:row;clear:left;flex-wrap:wrap;width:100%;box-sizing:border-box}.mw-parser-output .tmulti .tsingle{margin:1px;float:left}.mw-parser-output .tmulti .theader{clear:both;font-weight:bold;text-align:center;align-self:center;background-color:transparent;width:100%}.mw-parser-output .tmulti .thumbcaption{background-color:transparent}.mw-parser-output .tmulti .text-align-left{text-align:left}.mw-parser-output .tmulti .text-align-right{text-align:right}.mw-parser-output .tmulti .text-align-center{text-align:center}@media all and (max-width:720px){.mw-parser-output .tmulti .thumbinner{width:100%!important;box-sizing:border-box;max-width:none!important;align-items:center}.mw-parser-output .tmulti .trow{justify-content:center}.mw-parser-output .tmulti .tsingle{float:none!important;max-width:100%!important;box-sizing:border-box;text-align:center}.mw-parser-output .tmulti .tsingle .thumbcaption{text-align:left}.mw-parser-output .tmulti .trow>.thumbcaption{text-align:center}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmulti .multiimageinner img{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmulti .multiimageinner img{background-color:white}}</style><div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:252px;max-width:252px"><div class="trow"><div class="theader">24 V, 16 A, 2P, 50/60 Hz: violet connectors (no minor key)</div></div><div class="trow"><div class="tsingle" style="width:112px;max-width:112px"><div class="thumbimage" style="height:147px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:CEE_Steckdose_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/CEE_Steckdose_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg/110px-CEE_Steckdose_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg" decoding="async" width="110" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/CEE_Steckdose_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg/165px-CEE_Steckdose_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6d/CEE_Steckdose_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg/220px-CEE_Steckdose_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg 2x" data-file-width="1194" data-file-height="1592" /></a></span></div><div class="thumbcaption">Socket</div></div><div class="tsingle" style="width:136px;max-width:136px"><div class="thumbimage" style="height:147px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:CEE_60309_Stecker_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/CEE_60309_Stecker_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg/134px-CEE_60309_Stecker_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg" decoding="async" width="134" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/CEE_60309_Stecker_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg/201px-CEE_60309_Stecker_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9e/CEE_60309_Stecker_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg/268px-CEE_60309_Stecker_Kleinspannung_24V_16A_2P_50-60_Hz_2012_08_19.jpg 2x" data-file-width="1209" data-file-height="1330" /></a></span></div><div class="thumbcaption">Plug</div></div></div></div></div> <p>On the female socket, the major key is 4 mm deep at the 6-o'clock position. The width of the major key defines the current rating: 32 A plugs have a narrower 5 mm wide groove, while 16 A plugs have a wider 8 mm groove, and therefore 32 A plugs can be used with 16 A sockets but 16 A plugs cannot be used with 32 A sockets. The optional minor keyway is the same dimension for both current ratings: 4 mm wide at the 12-o'clock position, which mates with an additional 5 mm wide groove cut through the shroud. </p> <div class="mw-heading mw-heading2"><h2 id="Colour_code">Colour code</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=7" title="Edit section: Colour code"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The colour of the housing indicates the type of power available. The primary distinction is by rated operating voltage, as follows: </p> <table class="wikitable"> <caption> </caption> <tbody><tr> <th colspan="7">Colour code<sup id="cite_ref-SCAME-60309_8-0" class="reference"><a href="#cite_note-SCAME-60309-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <th>voltage range </th> <th>20–25 V </th> <th>40–50 V </th> <th>100–130 V </th> <th>200–250 V </th> <th>300–480 V </th> <th>500–1000 V </th></tr> <tr style="text-align:center;"> <th>common color </th> <td style="background: #80a; color: white;">violet </td> <td style="background: white; color: black;">white </td> <td style="background: yellow; color: black;">yellow </td> <td style="background: #08f; color: white;">blue </td> <td style="background: red; color: white;">red </td> <td style="background: black; color: white;">black </td></tr> <tr> <th>common application </th> <td>24 V single-phase AC/DC power </td> <td>single-phase AC/DC power </td> <td>125 V single-/split-phase AC power </td> <td>250 V single-/split-phase AC power </td> <td>400 V 3-phase AC power </td> <td>500 V on marine vessels </td></tr></tbody></table> <table class="wikitable"> <caption> </caption> <tbody><tr> <th colspan="6">Less commonly used colour codes </th></tr> <tr> <th>voltage range </th> <th>>50 VDC (0 Hz) </th> <th>125/250 VAC </th> <th>277 V </th> <th>>50 VAC,<br />100–500 Hz </th> <th>28 VDC </th></tr> <tr style="text-align:center;"> <th>common color </th> <td style="background: white; color: black;">white </td> <td style="background: orange; color: black;">orange </td> <td style="background: gray; color: white;">gray </td> <td style="background: #090; color: white;"><abbr title="(possibly in combination with another colour)">green</abbr> </td> <td>- </td></tr> <tr> <th>common application </th> <td>DC power </td> <td>125/250 VAC split-phase (2P+N+E), Series II current ratings </td> <td>277 V Series II current ratings single-phase AC power </td> <td>115 V <a href="/wiki/Utility_frequency#400_Hz" title="Utility frequency">400 Hz aircraft power</a><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </td> <td>28 VDC aircraft power </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Keying">Keying</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=8" title="Edit section: Keying"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:CEE-connectors.JPG" class="mw-file-description"><img alt="Two power cables, each with a 3P+N+E plug at one end, and a matching socket at the other end. The upper cable has blue connectors; the lower cable has red connectors." src="//upload.wikimedia.org/wikipedia/commons/thumb/6/67/CEE-connectors.JPG/220px-CEE-connectors.JPG" decoding="async" width="220" height="247" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/67/CEE-connectors.JPG/330px-CEE-connectors.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/67/CEE-connectors.JPG/440px-CEE-connectors.JPG 2x" data-file-width="777" data-file-height="871" /></a><figcaption>Cables with 3P+N+E connectors. The upper, blue cable has 9h keying, while the lower red cable has 6h keying.</figcaption></figure> <p>In addition to the colour code, connectors are keyed in one of 12 positions to ensure that incompatible <a href="/wiki/Utilization_voltage" class="mw-redirect" title="Utilization voltage">utilization voltages</a> cannot be connected. Different voltage and frequency combinations are distinguished by the location of the earth pin (or a plastic projection called the <i>minor keyway</i>, for connectors with no earth pin), as shown in the following table. The earth pin can be in one of twelve locations, described by <a href="/wiki/Clock_position" title="Clock position">clock positions</a> 1h through 12h, spaced at 30° intervals around the circle on which all the pins lie. The various positions are referenced from the view of the open side of a socket; the 6 o'clock (6h, 180°) position is at the same angle as the <i>major keyway</i>, and is oriented downwards. The major keyway is a projection on the plug shroud which aligns with a notch on the socket. The earth pin has a larger diameter than the other pins, preventing the wrong type of plug being inserted in a socket. </p> <table class="wikitable" style="text-align:center;"> <caption>IEC 60309-2 variants (> 50 V)<sup id="cite_ref-unspec_10-0" class="reference"><a href="#cite_note-unspec-10"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-IEC_60309-2_7-1" class="reference"><a href="#cite_note-IEC_60309-2-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: Table 104">: Table 104 </span></sup><sup id="cite_ref-SCAME-60309_8-1" class="reference"><a href="#cite_note-SCAME-60309-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th rowspan="2">Earth pin<br />position </th> <th colspan="3">Pin configuration<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <th>P+N+E, 2P+E<br />(2P3W)<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup></th> <th>3P+E<br />(3P4W)<sup id="cite_ref-3-phase_13-0" class="reference"><a href="#cite_note-3-phase-13"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup></th> <th>3P+N+E<br />(4P5W)<sup id="cite_ref-3-phase_13-1" class="reference"><a href="#cite_note-3-phase-13"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <th>30° / 1h </th> <td colspan="3" style="background:#fdf;">Not standardized, reserved for special purposes </td></tr> <tr> <th>60° / 2h </th> <td colspan="3" style="background:#090; color: white;">>50 VAC, >300 to 500 Hz<br />(<b>green</b>) </td></tr> <tr> <th>90° / 3h </th> <td>>50 to 250 VDC<br />(<b>white</b>) </td> <td style="background: red; color: white;">380 V, 50 Hz<br />440 V, 60 Hz<br />(<b>red</b>) </td> <td style="background: red; color: white;">220/380 V, 50 Hz<br />250/440 V, 60 Hz<br />(<b>red</b>) </td></tr> <tr> <th>120° / 4h </th> <td style="background: yellow; color: black;">100–130 VAC<br />(<b>yellow</b>) </td> <td style="background: yellow; color: black;">100–130 VAC<br />(<b>yellow</b>)<br />in UK, 55/110 VAC<sup id="cite_ref-split_14-0" class="reference"><a href="#cite_note-split-14"><span class="cite-bracket">[</span>e<span class="cite-bracket">]</span></a></sup> </td> <td style="background: yellow; color: black;">57–75 or 100–130 VAC<br />(<b>yellow</b>) </td></tr> <tr> <th>150° / 5h </th> <td style="background: gray; color: white;">277 VAC, 60 Hz<br />(<b>grey</b>) </td> <td style="background: black; color: white;">600–690 VAC<br />(<b>black</b>) </td> <td style="background: black; color: white;">347–400 or 600–690 VAC<br />(<b>black</b>) </td></tr> <tr> <th>180° / 6h </th> <td style="background:#08f; color: white;">200–250 VAC<br />(<b>blue</b>) </td> <td style="background: red; color: white;">380–415 VAC<br />(<b>red</b>) </td> <td style="background: red; color: white;">200–240 or 346–415 VAC<br />(<b>red</b>) </td></tr> <tr> <th>210° / 7h </th> <td style="background: black; color: white;">480–500 VAC<br />(<b>black</b>) </td> <td style="background: black; color: white;">480–500 VAC<br />(<b>black</b>) </td> <td style="background: black; color: white;">277–288 or 480–500 VAC<br />(<b>black</b>) </td></tr> <tr> <th>240° / 8h </th> <td>>250 VDC<br />(<b>white</b>) </td> <td style="background:#fdf;">Not used </td> <td style="background:#fdf;">Not used </td></tr> <tr> <th>270° / 9h </th> <td style="background: red; color: white;">380–415 VAC<br />(<b>red</b>) </td> <td style="background: #08f; color: white;">200–250 VAC<br />(<b>blue</b>) </td> <td style="background: #08f; color: white;">120–144 or 208–250 VAC<br />(<b>blue</b>) </td></tr> <tr> <th>300° / 10h </th> <td colspan="3" style="background:#090; color: white;">>50 VAC, 100–300 Hz<br />(<b>green</b>) </td></tr> <tr> <th>330° / 11h </th> <td style="background:#fdf;">Not used </td> <td style="background: red; color: white;">440–460 VAC, 60 Hz<br />(<b>red</b>) </td> <td style="background: red; color: white;">250–265 or 440–460 VAC, 60 Hz<br />(<b>red</b>) </td></tr> <tr> <th>360° / 12h </th> <td>Not specified<sup id="cite_ref-VSIT_15-0" class="reference"><a href="#cite_note-VSIT-15"><span class="cite-bracket">[</span>f<span class="cite-bracket">]</span></a></sup><br />(<b>white</b>) </td> <td style="background: orange; color: black;">125/250 VAC<sup id="cite_ref-split_14-1" class="reference"><a href="#cite_note-split-14"><span class="cite-bracket">[</span>e<span class="cite-bracket">]</span></a></sup><br />(<b>orange</b>) </td> <td>Not specified<sup id="cite_ref-VSIT_15-1" class="reference"><a href="#cite_note-VSIT-15"><span class="cite-bracket">[</span>f<span class="cite-bracket">]</span></a></sup><br />(<b>white</b>) </td></tr> <tr> <th colspan="4"><figure class="mw-default-size mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_connector_clock_diagram.svg" class="mw-file-description" title="Clock diagram for the regular (>50 V) connector series, viewed looking in to the socket end."><img alt="Clock diagram for the regular (>50 V) connector series, viewed looking in to the socket end." src="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/IEC_60309-2_connector_clock_diagram.svg/330px-IEC_60309-2_connector_clock_diagram.svg.png" decoding="async" width="330" height="330" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/IEC_60309-2_connector_clock_diagram.svg/495px-IEC_60309-2_connector_clock_diagram.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/IEC_60309-2_connector_clock_diagram.svg/660px-IEC_60309-2_connector_clock_diagram.svg.png 2x" data-file-width="3366" data-file-height="3366" /></a><figcaption>Clock diagram for the regular (>50 V) connector series, viewed looking in to the socket end.</figcaption></figure> </th></tr></tbody></table><p>The extra-low voltage connector also supports keying, although in this case the angle is the position of the minor key, assuming the major key is at the 6h position (180°). Minor key positions 5h, 6h and 7h are unavailable, as they would overlap with the major key, but an unkeyed variant exists. </p><table class="wikitable" style="text-align:center;"> <caption>IEC 60309-2 variants (< 50 V)<sup id="cite_ref-unspec_10-1" class="reference"><a href="#cite_note-unspec-10"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-IEC_60309-2_7-2" class="reference"><a href="#cite_note-IEC_60309-2-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: Table 103">: Table 103 </span></sup><sup id="cite_ref-SCAME-60309_8-2" class="reference"><a href="#cite_note-SCAME-60309-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th rowspan="2">Minor<br />keyway<br />position </th> <th colspan="2">Pin configuration </th></tr> <tr> <th>2P</th> <th>3P </th></tr> <tr> <th>No minor keyway </th> <td colspan="2" style="background:#80a;color:#fff;">20–25 VAC<br />(<b>violet</b>) </td></tr> <tr> <th>30° / 1h </th> <td colspan="2" style="background:#fdf;">Not standardized, reserved for special purposes </td></tr> <tr> <th>60° / 2h </th> <td colspan="2" style="background:#090;color:#fff;">20–25 & 40–50 VAC, 300 Hz<br />(<b>green</b>) </td></tr> <tr> <th>90° / 3h </th> <td colspan="2" style="background:#090;color:#fff;">20–25 & 40–50 VAC, 400 Hz<br />(<b>green</b>) </td></tr> <tr> <th>120° / 4h </th> <td colspan="2" style="background:#090;color:#fff;">20–25 & 40–50 VAC, 100–200 Hz<br />(<b>green</b>) </td></tr> <tr> <th>150° / 5h </th> <td colspan="2" rowspan="3" style="background:#444;color:#fff;">Not used, blocked by major keyway </td></tr> <tr> <th>180° / 6h </th></tr> <tr> <th>210° / 7h </th></tr> <tr> <th>240° / 8h </th> <td colspan="2" rowspan="2" style="background:#fdf;">Not standardized, reserved for special purposes </td></tr> <tr> <th>270° / 9h </th></tr> <tr> <th>300° / 10h </th> <td><50 VDC<br />(<b>white</b>) </td> <td style="background:#fdf;">Not used </td></tr> <tr> <th>330° / 11h </th> <td colspan="2" style="background:#090;color:#fff;">20–25 & 40–50 VAC, >400 to 500 Hz<br />(<b>green</b>) </td></tr> <tr> <th>360° / 12h </th> <td colspan="2">40–50 VAC<br />(<b>white</b>) </td></tr> <tr> <th colspan="3"><figure class="mw-default-size mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:IEC_60309-2_low-volt_connector_clock_diagram.svg" class="mw-file-description" title="Clock diagram for the low-voltage (<50 V) connector series"><img alt="Clock diagram for the low-voltage (<50 V) connector series" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c8/IEC_60309-2_low-volt_connector_clock_diagram.svg/290px-IEC_60309-2_low-volt_connector_clock_diagram.svg.png" decoding="async" width="290" height="290" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c8/IEC_60309-2_low-volt_connector_clock_diagram.svg/435px-IEC_60309-2_low-volt_connector_clock_diagram.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c8/IEC_60309-2_low-volt_connector_clock_diagram.svg/580px-IEC_60309-2_low-volt_connector_clock_diagram.svg.png 2x" data-file-width="1000" data-file-height="1000" /></a><figcaption>Clock diagram for the low-voltage (<50 V) connector series</figcaption></figure> </th></tr></tbody></table> <dl><dt>Notes</dt></dl> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-unspec-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-unspec_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-unspec_10-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Unless otherwise specified, AC frequency is both 50 and 60 Hz</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text">For the P/N/E notation, <ul><li>P: pole(s)</li> <li>N: neutral</li> <li>E: earth/ground</li></ul> Otherwise, provides (number of poles (P) and total wires (W))</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text">Single-phase plugs & sockets</span> </li> <li id="cite_note-3-phase-13"><span class="mw-cite-backlink">^ <a href="#cite_ref-3-phase_13-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-3-phase_13-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Three-phase plugs & sockets, unless otherwise noted</span> </li> <li id="cite_note-split-14"><span class="mw-cite-backlink">^ <a href="#cite_ref-split_14-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-split_14-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Split-phase (2P+N+E)</span> </li> <li id="cite_note-VSIT-15"><span class="mw-cite-backlink">^ <a href="#cite_ref-VSIT_15-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-VSIT_15-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Voltage supply from an isolating transformer</span> </li> </ol></div></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> </div> <div class="mw-heading mw-heading2"><h2 id="Common_plugs">Common plugs</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=9" title="Edit section: Common plugs"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:20061007_3P_N_PE_CEE_connections.jpg" class="mw-file-description"><img alt="In the foreground, a downward-angled industrial wall socket with a red cap, mounted to a wall; a red plug is inserted into it. In the background, another similar connection." src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/20061007_3P_N_PE_CEE_connections.jpg/250px-20061007_3P_N_PE_CEE_connections.jpg" decoding="async" width="250" height="307" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/20061007_3P_N_PE_CEE_connections.jpg/375px-20061007_3P_N_PE_CEE_connections.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d4/20061007_3P_N_PE_CEE_connections.jpg/499px-20061007_3P_N_PE_CEE_connections.jpg 2x" data-file-width="1392" data-file-height="1712" /></a><figcaption>Two IEC 60309-style plugs inserted into wall-mounted sockets</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Phasenwendestecker.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Phasenwendestecker.JPG/250px-Phasenwendestecker.JPG" decoding="async" width="250" height="175" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Phasenwendestecker.JPG/375px-Phasenwendestecker.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Phasenwendestecker.JPG/500px-Phasenwendestecker.JPG 2x" data-file-width="570" data-file-height="399" /></a><figcaption>400 V phase swap plug</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Red_3P+N+E,_6h"><span id="Red_3P.2BN.2BE.2C_6h"></span>Red 3P+N+E, 6h <span class="anchor" id="red"></span><span class="anchor" id="three_phase_socket"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=10" title="Edit section: Red 3P+N+E, 6h"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:CEE-Stecker.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/CEE-Stecker.jpg/250px-CEE-Stecker.jpg" decoding="async" width="250" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/CEE-Stecker.jpg/375px-CEE-Stecker.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2a/CEE-Stecker.jpg/500px-CEE-Stecker.jpg 2x" data-file-width="2048" data-file-height="1536" /></a><figcaption>32 A 400 V 3P+N+E 6h (180°) plug</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/File:16A-3P-Plug.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/16A-3P-Plug.jpg/250px-16A-3P-Plug.jpg" decoding="async" width="250" height="245" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/16A-3P-Plug.jpg/375px-16A-3P-Plug.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e0/16A-3P-Plug.jpg/500px-16A-3P-Plug.jpg 2x" data-file-width="640" data-file-height="628" /></a><figcaption>16 A 400 V 3P+E 6h plug</figcaption></figure> <p>The red 3P+N+E, 6h (180°) plug allows connecting to the widespread 400 V <a href="/wiki/Three-phase_electric_power" title="Three-phase electric power">three phase</a> power network. The most common ratings are 16 A, 32 A and 63 A, with 125 A less common. Construction sites in central Europe have most of their higher power cabling setup with this <i>three phase socket</i> type as the single phase to neutral voltage of 230 V is available for other devices. So called power splitters with this connector as a 3 phase inlet and 3 groups of single phase outputs with individual circuit breakers are generally used to achieve this, and allow load balancing across the phases, important on generator supplies. Similar configurations are used for outdoor exhibitions, festivals and large events. </p><p>When looking at the mating face of the socket, the <a href="/wiki/Phase_sequence" class="mw-redirect" title="Phase sequence">phase sequence</a> should be L1, L2, L3, and then the neutral pin, proceeding clockwise from the earth pin. (Counter-clockwise on the corresponding plug.) Since some wiring may be reversed, which would make motors turn backward, many machines on construction sites feature a phase swap plug that allows the L2 and L3 phase pins to be swapped, thereby reversing the phase sequence. </p><p>Three-phase electric motors do not need the neutral wire to function, so that there is also a red four pin variant (3 phases and earth) of the IEC 60309 plugs for three phase power. The two styles are not intermatable, to prevent a potential floating neutral. </p> <div class="mw-heading mw-heading3"><h3 id="Blue_P+N+E,_6h"><span id="Blue_P.2BN.2BE.2C_6h"></span>Blue P+N+E, 6h <span class="anchor" id="blue"></span><span class="anchor" id="Caravan_Mains_Socket"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=11" title="Edit section: Blue P+N+E, 6h"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:CEE_16A_230V_Wandsteckdose_Pinning.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/CEE_16A_230V_Wandsteckdose_Pinning.png/250px-CEE_16A_230V_Wandsteckdose_Pinning.png" decoding="async" width="250" height="338" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/CEE_16A_230V_Wandsteckdose_Pinning.png/375px-CEE_16A_230V_Wandsteckdose_Pinning.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c0/CEE_16A_230V_Wandsteckdose_Pinning.png/500px-CEE_16A_230V_Wandsteckdose_Pinning.png 2x" data-file-width="906" data-file-height="1224" /></a><figcaption>16 A 230 V P+N+E 6h socket</figcaption></figure> <p>The blue P+N+E, 6h (180°) plug is a single phase connector. In particular the smallest (16 A) weather-resistant variant has become especially common in camping vehicles and sockets found in <a href="/wiki/RV_park" title="RV park">RV parks</a> and marinas throughout Europe.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> The so-called 'Caravan Mains Socket' has almost universally replaced a wide variety of other national 230 V domestic plugs,<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> since it is pan-European and inherently safe to standard <a href="/wiki/IP_code" title="IP code">IP44</a>. On larger temporary buildings, particularly with electric heating, the larger 32 A is more common. </p><p>The pins are specified to be in the order earth, phase, and neutral, clockwise when looking at the socket. Not all installations distinguish the line (phase) and neutral conductors, and reverse wired sockets are not uncommon, so double pole breaking RCDs and main switches are recommended. When sockets are mounted looking downwards then the connector system is rated for outdoor use in all weather. This is also the standard connector for lighting equipment (up to 16 A) used in the British film and television industry (often as outlets from a power splitter with a higher rated 3 phase input). </p> <div class="mw-heading mw-heading3"><h3 id="Yellow_P+N+E,_4h"><span id="Yellow_P.2BN.2BE.2C_4h"></span>Yellow P+N+E, 4h <span class="anchor" id="yellow"></span><span class="anchor" id="Commando_socket"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=12" title="Edit section: Yellow P+N+E, 4h"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The yellow P+N+E, 4h (120°) plug is a single phase connector that is in widespread use on the British Isles for 110 V building site and fairground applications. A popular model of this socket type is marketed under the brand name MK Commando<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> which leads some users to refer to all IEC 60309 sockets by the <a href="/wiki/Generic_trademark" title="Generic trademark">generic trademark</a> <i>Commando sockets</i>. </p> <div class="mw-heading mw-heading3"><h3 id="Blue_3P+N+E,_9h"><span id="Blue_3P.2BN.2BE.2C_9h"></span>Blue 3P+N+E, 9h <span class="anchor" id="US"></span><span class="anchor" id="outdoor_socket"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=13" title="Edit section: Blue 3P+N+E, 9h"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The blue 3P+N+E, 9h (270°) plug is a <a href="/wiki/Three_phase" class="mw-redirect" title="Three phase">three phase</a> connector available in areas with both 115 V and 230 V supply systems (mains). It is prevalent in the outdoor event lighting and audio power industry as an outdoor-safe replacement for <a href="/wiki/NEMA_connector" title="NEMA connector">NEMA connectors</a>. In the United States it is not usually used for three phase power but for the <a href="/wiki/High_leg_delta" class="mw-redirect" title="High leg delta">high leg delta</a> wiring of <a href="/wiki/Split-phase_electric_power" title="Split-phase electric power">split-phase electric power</a> (unknown in Europe). This allows one to choose single-phase AC power at either 110–120 volts between phase and neutral or 220–240 volts between phase and phase. Since these two modes do not need three phases there is also a dark yellow-orange four-pin connector available designed for a single-phase 110–120 or 220–240 volt load. </p><p>It is best to connect the high leg adjacent to the earth pin, so that it will not be misplaced by phase-swap plugs. </p> <div class="mw-heading mw-heading2"><h2 id="Switched-socket_outlets_with_interlocks">Switched-socket outlets with interlocks</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=14" title="Edit section: Switched-socket outlets with interlocks"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Switched-socket outlets with interlocks are described in IEC 60309-4 standard and are commonly used to enhance electrical safety in industrial plants. The interlock cuts power to the socket when nothing's plugged in and locks any plug in the socket until the power is turned off. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=15" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:IEC_60309" class="extiw" title="commons:Category:IEC 60309">IEC 60309</a></span>.</div></div> </div> <ul><li><a href="/wiki/Industrial_and_multiphase_power_plugs_and_sockets" title="Industrial and multiphase power plugs and sockets">Industrial and multiphase power plugs and sockets</a></li> <li><a href="/wiki/IEC_62196" title="IEC 62196">IEC 62196</a> for <a href="/wiki/Electric_vehicles" class="mw-redirect" title="Electric vehicles">electric vehicles</a></li> <li><a href="/wiki/Perilex" title="Perilex">Perilex</a>, obsolescent DIN connector</li> <li><a href="/wiki/DC_connector#IEC_60906-3:1994" title="DC connector">IEC 60906-3</a> a series of smaller 16 A low-voltage connectors with a superficially similar appearance</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=16" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nema.org/membership/products/view/pin-sleeve-plug-receptacle-and-connector">"Pin & Sleeve Plug, Receptacle and Connector"</a>. <i>NEMA</i>. 11 June 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">5 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=NEMA&rft.atitle=Pin+%26+Sleeve+Plug%2C+Receptacle+and+Connector&rft.date=2012-06-11&rft_id=https%3A%2F%2Fwww.nema.org%2Fmembership%2Fproducts%2Fview%2Fpin-sleeve-plug-receptacle-and-connector&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIEC+60309" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.in2connect.uk.com/product/ceeform-iec60309/">"IEC 60309 CEE form connectors from In2connect | In2connect"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=IEC+60309+CEE+form+connectors+from+In2connect+%26%23124%3B+In2connect&rft_id=https%3A%2F%2Fwww.in2connect.uk.com%2Fproduct%2Fceeform-iec60309%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIEC+60309" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><i>Scope</i> section 1, <i> IEC 60309-1:1999+AMD1:2005+AMD2:2012 Part 1 General Requirements</i>, 2012, International Electrotechnical Commission</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text">BS EN 60309-1, IEC 60309-1: "Plugs, socket-outlets and couplers for industrial purposes. General requirements." (1999/2012)</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120331161423/http://www.reylenferna.com/mennekes-introduction.php">"General Introduction of CEE plugs and receptacles"</a>. Rey & Lenferna. MENNEKES industrial plugs and receptacles. Archived from <a rel="nofollow" class="external text" href="http://www.reylenferna.com/mennekes-introduction.php">the original</a> on 2012-03-31<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-09-03</span></span>. <q>History: CEE plugs and sockets base on the <i>CEE 17</i> standard (also BS 4343) which was introduced in the 1960s.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=General+Introduction+of+CEE+plugs+and+receptacles&rft.pages=MENNEKES+industrial+plugs+and+receptacles&rft.pub=Rey+%26+Lenferna&rft_id=http%3A%2F%2Fwww.reylenferna.com%2Fmennekes-introduction.php&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIEC+60309" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20170328015834/http://www.starlinguk.net/plugs_and_sockets_examples.pdf">"Industrial Plugs and Sockets to IEC 60309-2 (BS4343/CEE17) trade price list"</a> <span class="cs1-format">(PDF)</span>. Walther Electrotechnische systeme. 2012. Archived from <a rel="nofollow" class="external text" href="http://www.starlinguk.net/plugs_and_sockets_examples.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2017-03-28<span class="reference-accessdate">. Retrieved <span class="nowrap">2017-03-26</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Industrial+Plugs+and+Sockets+to+IEC+60309-2+%28BS4343%2FCEE17%29+trade+price+list&rft.pub=Walther+Electrotechnische+systeme&rft.date=2012&rft_id=http%3A%2F%2Fwww.starlinguk.net%2Fplugs_and_sockets_examples.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIEC+60309" class="Z3988"></span></span> </li> <li id="cite_note-IEC_60309-2-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-IEC_60309-2_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-IEC_60309-2_7-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-IEC_60309-2_7-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://webstore.iec.ch/publication/59919">"IEC 60309-2:2021 | Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes – Part 2: Dimensional compatibility requirements for pin and contact-tube accessories"</a> (5.0 ed.). International Electrotechnical Commission. June 18, 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">17 August</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=IEC+60309-2%3A2021+%7C+Plugs%2C+fixed+or+portable+socket-outlets+and+appliance+inlets+for+industrial+purposes+%E2%80%93+Part+2%3A+Dimensional+compatibility+requirements+for+pin+and+contact-tube+accessories&rft.edition=5.0&rft.pub=International+Electrotechnical+Commission&rft.date=2021-06-18&rft_id=https%3A%2F%2Fwebstore.iec.ch%2Fpublication%2F59919&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIEC+60309" class="Z3988"></span> <a rel="nofollow" class="external text" href="https://law.resource.org/pub/in/bis/S05/is.iec.60309.2.2002.pdf">PDF of 2002 standard</a></span> </li> <li id="cite_note-SCAME-60309-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-SCAME-60309_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-SCAME-60309_8-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-SCAME-60309_8-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.scame.com/plugs-and-sockets-for-industrial-use-iec60309">"Plugs and sockets for industrial use, IEC 60309"</a>. SCAME<span class="reference-accessdate">. Retrieved <span class="nowrap">18 August</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Plugs+and+sockets+for+industrial+use%2C+IEC+60309&rft.pub=SCAME&rft_id=https%3A%2F%2Fwww.scame.com%2Fplugs-and-sockets-for-industrial-use-iec60309&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIEC+60309" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.gohz.com/why-we-use-115v-400hz-power-supply-in-aircraft">"Why we use 115v 400Hz power supply in aircraft?"</a>. <i>GoHz.com</i>. 30 January 2016. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160612103742/http://www.gohz.com/why-we-use-115v-400hz-power-supply-in-aircraft">Archived</a> from the original on 12 June 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">22 October</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=GoHz.com&rft.atitle=Why+we+use+115v+400Hz+power+supply+in+aircraft%3F&rft.date=2016-01-30&rft_id=http%3A%2F%2Fwww.gohz.com%2Fwhy-we-use-115v-400hz-power-supply-in-aircraft&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIEC+60309" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.campingandcaravanningclub.co.uk/helpandadvice/technicalhelp/datasheets/electricity-campers-caravanners/">Using electricity on a campsite</a> <a href="/wiki/Camping_and_Caravanning_Club" title="Camping and Caravanning Club">Camping and Caravanning Club</a></span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.campingandcaravanningclub.co.uk/travelabroad/camping-in-europe/european-campsites/electricity/">Electricity on European Campsites</a> <a href="/wiki/Camping_and_Caravanning_Club" title="Camping and Caravanning Club">Camping and Caravanning Club</a> (UK, so "European" means mainland Europe)</span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.mkelectric.com/en-GB/Products/WD/IngressProtected/CommandoPlugsandSockets/Pages/default.aspx">"Commando Plugs and Sockets"</a>. <a href="/wiki/MK_Electric" title="MK Electric">MK Electric</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2017-03-26</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Commando+Plugs+and+Sockets&rft.pub=MK+Electric&rft_id=https%3A%2F%2Fwww.mkelectric.com%2Fen-GB%2FProducts%2FWD%2FIngressProtected%2FCommandoPlugsandSockets%2FPages%2Fdefault.aspx&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIEC+60309" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEC_60309&action=edit&section=17" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://webstore.iec.ch/preview/info_iec60309-1%7Bed4.2%7Db.pdf">IEC 60309-1 Plugs, socket-outlets and couplers for industrial purposes - Part 1: General requirements</a></li> <li><a rel="nofollow" class="external text" href="https://webstore.iec.ch/preview/info_iec60309-2%7Bed4.2%7Db.pdf">IEC 60309-2 Plugs, socket-outlets and couplers for industrial purposes - Part 2: Dimensional interchangeability requirements for pin and contact-tube accessories</a></li> <li><a rel="nofollow" class="external text" href="https://webstore.iec.ch/preview/info_iec60309-4%7Bed1.1%7Db.pdf">IEC 60309-4 Plugs, socket-outlets and couplers for industrial purposes - Part 4: Switched socket-outlets and connectors with or without interlock</a></li> <li><a rel="nofollow" class="external text" href="http://www.iec.ch/search/?q=60309">"IEC 60309"</a> at <a href="/wiki/International_Electrotechnical_Commission" title="International Electrotechnical Commission">International Electrotechnical Commission</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist 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abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:List_of_IEC_standards" title="Template:List of IEC standards"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:List_of_IEC_standards" title="Template talk:List of IEC standards"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:List_of_IEC_standards" title="Special:EditPage/Template:List of IEC standards"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="IEC_standards" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_IEC_standards" title="List of IEC standards">IEC standards</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">IEC</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IEC_60027" title="IEC 60027">60027</a></li> <li><a href="/wiki/IEC_60034" title="IEC 60034">60034</a></li> <li><a href="/wiki/IEC_60038" title="IEC 60038">60038</a></li> <li><a href="/wiki/RKM_code" title="RKM code">60062</a></li> <li><a href="/wiki/E_series_of_preferred_numbers" title="E series of preferred numbers">60063</a></li> <li><a href="/wiki/IEC_60068" title="IEC 60068">60068</a></li> <li><a href="/wiki/Comparative_Tracking_Index" title="Comparative Tracking Index">60112</a></li> <li><a href="/wiki/IEC_60228" title="IEC 60228">60228</a></li> <li><a href="/wiki/IEC_60269" title="IEC 60269">60269</a></li> <li><a href="/wiki/19-inch_rack" title="19-inch rack">60297</a></li> <li><a class="mw-selflink selflink">60309</a></li> <li><a href="/wiki/IEC_60320" title="IEC 60320">60320</a></li> <li><a href="/wiki/IEC_60364" title="IEC 60364">60364</a></li> <li><a href="/wiki/IEC_60446" title="IEC 60446">60446</a></li> <li><a href="/wiki/IEEE_754" title="IEEE 754">60559</a></li> <li><a href="/wiki/IEC_60601" title="IEC 60601">60601</a></li> <li><a href="/wiki/IEC_60870" title="IEC 60870">60870</a> <ul><li><a href="/wiki/IEC_60870-5" title="IEC 60870-5">60870-5</a></li> <li><a href="/wiki/IEC_60870-6" title="IEC 60870-6">60870-6</a></li></ul></li> <li><a href="/wiki/IEC_60906-1" title="IEC 60906-1">60906-1</a></li> <li><a href="/wiki/Compact_Disc_Digital_Audio" title="Compact Disc Digital Audio">60908</a></li> <li><a href="/wiki/IEC_60929" title="IEC 60929">60929</a></li> <li><a href="/wiki/AES3" title="AES3">60958</a></li> <li><a href="/w/index.php?title=IEC_60980-344&action=edit&redlink=1" class="new" title="IEC 60980-344 (page does not exist)">60980-344</a></li> <li><a href="/wiki/IEC_61030" title="IEC 61030">61030</a></li> <li><a href="/wiki/IEC_61131" title="IEC 61131">61131</a> <ul><li><a href="/wiki/IEC_61131-3" title="IEC 61131-3">61131-3</a></li> <li><a href="/wiki/IO-Link" title="IO-Link">61131-9</a></li></ul></li> <li><a href="/wiki/Fieldbus" title="Fieldbus">61158</a></li> <li><a href="/wiki/IEC_61162" title="IEC 61162">61162</a></li> <li><a href="/wiki/IEC_61334" title="IEC 61334">61334</a></li> <li><a href="/wiki/IEC_61355" title="IEC 61355">61355</a></li> <li><a href="/wiki/IEC_61360" title="IEC 61360">61360</a></li> <li><a href="/wiki/IEC_61400" title="IEC 61400">61400</a></li> <li><a href="/wiki/IEC_61499" title="IEC 61499">61499</a></li> <li><a href="/wiki/IEC_61508" title="IEC 61508">61508</a></li> <li><a href="/wiki/IEC_61511" title="IEC 61511">61511</a></li> <li><a href="/wiki/Fieldbus" title="Fieldbus">61784</a></li> <li><a href="/wiki/IEC_61850" title="IEC 61850">61850</a></li> <li><a href="/wiki/IEC_61851" title="IEC 61851">61851</a></li> <li><a href="/wiki/IEC_61883" title="IEC 61883">61883</a></li> <li><a href="/wiki/Battery_nomenclature" title="Battery nomenclature">61960</a></li> <li><a href="/wiki/IEC_61968" title="IEC 61968">61968</a></li> <li><a href="/wiki/IEC_61970" title="IEC 61970">61970</a></li> <li><a href="/wiki/IP-XACT" title="IP-XACT">62014-4</a></li> <li><a href="/wiki/Fieldbus" title="Fieldbus">62026</a></li> <li><a href="/wiki/IEC_62056" title="IEC 62056">62056</a></li> <li><a href="/wiki/IEC_62061" title="IEC 62061">62061</a></li> <li><a href="/wiki/IEC_62196" title="IEC 62196">62196</a></li> <li><a href="/wiki/EN_62262" title="EN 62262">62262</a></li> <li><a href="/wiki/IEC_62264" title="IEC 62264">62264</a></li> <li><a href="/wiki/IEC_62304" title="IEC 62304">62304</a></li> <li><a href="/wiki/IEC_62325" title="IEC 62325">62325</a></li> <li><a href="/wiki/IEC_62351" title="IEC 62351">62351</a></li> <li><a href="/wiki/AES47" title="AES47">62365</a></li> <li><a href="/wiki/IEC_62366" title="IEC 62366">62366</a></li> <li><a href="/wiki/IEC_62379" title="IEC 62379">62379</a></li> <li><a href="/wiki/Digital_Addressable_Lighting_Interface" title="Digital Addressable Lighting Interface">62386</a></li> <li><a href="/wiki/IEC_62455" title="IEC 62455">62455</a></li> <li><a href="/wiki/USB" title="USB">62680</a></li> <li><a href="/wiki/IEC_62682" title="IEC 62682">62682</a></li> <li><a href="/wiki/IEC_62700" title="IEC 62700">62700</a></li> <li><a href="/wiki/IEC_63110" title="IEC 63110">63110</a></li> <li><a href="/wiki/IEC_63119" title="IEC 63119">63119</a></li> <li><a href="/wiki/IEC_63382" title="IEC 63382">63382</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">ISO/IEC</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ISO/IEC_646" title="ISO/IEC 646">646</a></li> <li><a href="/wiki/COBOL" title="COBOL">1989</a></li> <li><a href="/wiki/ISO/IEC_2022" title="ISO/IEC 2022">2022</a></li> <li><a href="/wiki/ISO/IEC_4909" title="ISO/IEC 4909">4909</a></li> <li><a href="/wiki/ISO/IEC_5218" title="ISO/IEC 5218">5218</a></li> <li><a href="/wiki/ANSI_escape_code" title="ANSI escape code">6429</a></li> <li><a href="/wiki/ISO/IEC_6523" title="ISO/IEC 6523">6523</a></li> <li><a href="/wiki/ISO/IEC_7810" title="ISO/IEC 7810">7810</a></li> <li><a href="/wiki/ISO/IEC_7811" title="ISO/IEC 7811">7811</a></li> <li><a href="/wiki/ISO/IEC_7812" title="ISO/IEC 7812">7812</a></li> <li><a href="/wiki/ISO/IEC_7813" title="ISO/IEC 7813">7813</a></li> <li><a href="/wiki/ISO/IEC_7816" title="ISO/IEC 7816">7816</a></li> <li><a href="/wiki/Graphical_Kernel_System" title="Graphical Kernel System">7942</a></li> <li><a href="/wiki/Open_Document_Architecture" title="Open Document Architecture">8613</a></li> <li><a href="/wiki/Computer_Graphics_Metafile" title="Computer Graphics Metafile">8632</a></li> <li><a href="/wiki/ISO/IEC_8652" title="ISO/IEC 8652">8652</a></li> <li><a href="/wiki/ISO/IEC_8859" title="ISO/IEC 8859">8859</a></li> <li><a href="/wiki/ISO/IEC_9126" title="ISO/IEC 9126">9126</a></li> <li><a href="/wiki/File_Allocation_Table" title="File Allocation Table">9293</a></li> <li><a href="/wiki/CHILL" title="CHILL">9496</a></li> <li><a href="/wiki/ISO/IEC_9529" title="ISO/IEC 9529">9529</a></li> <li><a href="/wiki/PHIGS" title="PHIGS">9592</a></li> <li><a href="/wiki/PHIGS" title="PHIGS">9593</a></li> <li><a href="/wiki/ANSI_C" title="ANSI C">9899</a></li> <li><a href="/wiki/POSIX" title="POSIX">9945</a></li> <li><a href="/wiki/ISO/IEC_9995" title="ISO/IEC 9995">9995</a></li> <li><a href="/wiki/ISO/IEC_10021" title="ISO/IEC 10021">10021</a></li> <li><a href="/wiki/ISO/IEC_10116" title="ISO/IEC 10116">10116</a></li> <li><a href="/wiki/Guidelines_for_the_Definition_of_Managed_Objects" title="Guidelines for the Definition of Managed Objects">10165</a></li> <li><a href="/wiki/Document_Style_Semantics_and_Specification_Language" title="Document Style Semantics and Specification Language">10179</a></li> <li><a href="/wiki/Full_BASIC" title="Full BASIC">10279</a></li> <li><a href="/wiki/Universal_Coded_Character_Set" title="Universal Coded Character Set">10646</a></li> <li><a href="/wiki/ISO/IEC_10967" title="ISO/IEC 10967">10967</a></li> <li><a href="/wiki/MPEG-1" title="MPEG-1">11172</a></li> <li><a href="/wiki/ISO/IEC_11179" title="ISO/IEC 11179">11179</a></li> <li><a href="/wiki/ISO/IEC_11404" title="ISO/IEC 11404">11404</a></li> <li><a href="/wiki/JBIG" title="JBIG">11544</a></li> <li><a href="/wiki/ISO/IEC_11801" title="ISO/IEC 11801">11801</a></li> <li><a href="/wiki/ISO/IEC_12207" title="ISO/IEC 12207">12207</a></li> <li><a href="/wiki/Topic_map" title="Topic map">13250</a></li> <li><a href="/wiki/Universal_Disk_Format" title="Universal Disk Format">13346</a></li> <li><a href="/wiki/MHEG-5" title="MHEG-5">13522-5</a></li> <li><a href="/wiki/Z_notation" title="Z notation">13568</a></li> <li><a href="/wiki/ISLISP" title="ISLISP">13816</a></li> <li><a href="/wiki/MPEG-2" title="MPEG-2">13818</a></li> <li><a href="/wiki/ISO/IEC_14443" title="ISO/IEC 14443">14443</a></li> <li><a href="/wiki/MPEG-4" title="MPEG-4">14496</a></li> <li><a href="/wiki/ISO/IEC_14651" title="ISO/IEC 14651">14651</a></li> <li><a href="/wiki/C%2B%2B" title="C++">14882</a></li> <li><a href="/wiki/ISO/IEC_15288" title="ISO/IEC 15288">15288</a></li> <li><a href="/wiki/Ada_Semantic_Interface_Specification" title="Ada Semantic Interface Specification">15291</a></li> <li><a href="/wiki/Common_Criteria" title="Common Criteria">15408</a></li> <li><a href="/wiki/JPEG_2000" title="JPEG 2000">15444</a></li> <li><a href="/wiki/HTML" title="HTML">15445</a></li> <li><a href="/wiki/ISO/IEC_15504" title="ISO/IEC 15504">15504</a></li> <li><a href="/wiki/International_Standard_Identifier_for_Libraries_and_Related_Organizations" title="International Standard Identifier for Libraries and Related Organizations">15511</a></li> <li><a href="/wiki/ISO/IEC_15693" title="ISO/IEC 15693">15693</a></li> <li><a href="/wiki/ISO/IEC_15897" title="ISO/IEC 15897">15897</a></li> <li><a href="/wiki/MPEG-7" title="MPEG-7">15938</a></li> <li><a href="/wiki/ECMAScript" title="ECMAScript">16262</a></li> <li><a href="/wiki/Mixed_raster_content" title="Mixed raster content">16485</a></li> <li><a href="/wiki/ISO/IEC_17024" title="ISO/IEC 17024">17024</a></li> <li><a href="/wiki/ISO/IEC_17025" title="ISO/IEC 17025">17025</a></li> <li><a href="/wiki/QR_code" title="QR code">18004</a></li> <li><a href="/wiki/ISO/IEC_18014" title="ISO/IEC 18014">18014</a></li> <li><a href="/wiki/JPEG_XL" title="JPEG XL">18181</a></li> <li><a href="/wiki/ISO/IEC_19752" title="ISO/IEC 19752">19752</a></li> <li><a href="/wiki/RELAX_NG" title="RELAX NG">19757</a></li> <li><a href="/wiki/ISO/IEC_19770" title="ISO/IEC 19770">19770</a></li> <li><a href="/wiki/ISO/IEC_19788" title="ISO/IEC 19788">19788</a></li> <li><a href="/wiki/ISO/IEC_20000" title="ISO/IEC 20000">20000</a></li> <li><a href="/wiki/Open_Data_Protocol" title="Open Data Protocol">20802</a></li> <li><a href="/wiki/MPEG-21" title="MPEG-21">21000</a></li> <li><a href="/wiki/ISO/IEC_21827" title="ISO/IEC 21827">21827</a></li> <li><a href="/wiki/ECMAScript" title="ECMAScript">22275</a></li> <li><a href="/wiki/ECMAScript_for_XML" title="ECMAScript for XML">22537</a></li> <li><a href="/wiki/MPEG-A" title="MPEG-A">23000</a></li> <li><a href="/wiki/MPEG-D" title="MPEG-D">23003</a></li> <li><a href="/wiki/MPEG-H" title="MPEG-H">23008</a></li> <li><a href="/wiki/C_Sharp_(programming_language)" title="C Sharp (programming language)">23270</a></li> <li><a href="/wiki/Linux_Standard_Base" title="Linux Standard Base">23360</a></li> <li><a href="/wiki/Common_Logic" title="Common Logic">24707</a></li> <li><a href="/wiki/ISO/IEC_24727" title="ISO/IEC 24727">24727</a></li> <li><a href="/wiki/ISO/IEC_24744" title="ISO/IEC 24744">24744</a></li> <li><a href="/wiki/Universal_Remote_Console" title="Universal Remote Console">24752</a></li> <li><a href="/wiki/OpenDocument" title="OpenDocument">26300</a></li> <li><a href="/wiki/ISO/IEC_27000" title="ISO/IEC 27000">27000</a></li> <li><a href="/wiki/ISO/IEC_27000-series" class="mw-redirect" title="ISO/IEC 27000-series">27000-series</a></li> <li><a href="/wiki/ISO/IEC_27002" title="ISO/IEC 27002">27002</a></li> <li><a href="/wiki/ISO/IEC_27040" title="ISO/IEC 27040">27040</a></li> <li>29110</li> <li><a href="/wiki/ISO/IEC_29119" title="ISO/IEC 29119">29119</a></li> <li><a href="/wiki/ISO/IEC_33001" title="ISO/IEC 33001">33001</a></li> <li><a href="/wiki/ISO/IEC_38500" title="ISO/IEC 38500">38500</a></li> <li><a href="/wiki/Graph_Query_Language" title="Graph Query Language">39075</a></li> <li><a href="/wiki/ISO/IEC_42010" title="ISO/IEC 42010">42010</a></li> <li><a href="/wiki/ISO/IEC_80000" title="ISO/IEC 80000">80000</a></li> <li><a href="/wiki/IEC_81346" title="IEC 81346">81346</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd" 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