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<span class="vector-toc-numb">2</span> <span>Testing and certification</span> </div> </a> <button aria-controls="toc-Testing_and_certification-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Testing and certification subsection</span> </button> <ul id="toc-Testing_and_certification-sublist" class="vector-toc-list"> <li id="toc-Shaft_wall_systems" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Shaft_wall_systems"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Shaft wall systems</span> </div> </a> <ul id="toc-Shaft_wall_systems-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Current_test_methods" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Current_test_methods"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Current test methods</span> </div> </a> <ul id="toc-Current_test_methods-sublist" class="vector-toc-list"> <li id="toc-Ampacity_derating" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Ampacity_derating"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2.1</span> <span>Ampacity derating</span> </div> </a> <ul id="toc-Ampacity_derating-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-Cladding_and_wrapping_considerations" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Cladding_and_wrapping_considerations"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Cladding and wrapping considerations</span> </div> </a> <ul id="toc-Cladding_and_wrapping_considerations-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Terminals_and_junction_box_considerations" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Terminals_and_junction_box_considerations"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Terminals and junction box considerations</span> </div> </a> <ul id="toc-Terminals_and_junction_box_considerations-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" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input 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Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.<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=%22Circuit+integrity%22">"Circuit integrity"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Circuit+integrity%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Circuit+integrity%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=%22Circuit+integrity%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Circuit+integrity%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Circuit+integrity%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">March 2015</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> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Promat_signum_tray_cladding_1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Promat_signum_tray_cladding_1.jpg/220px-Promat_signum_tray_cladding_1.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Promat_signum_tray_cladding_1.jpg/330px-Promat_signum_tray_cladding_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Promat_signum_tray_cladding_1.jpg/440px-Promat_signum_tray_cladding_1.jpg 2x" data-file-width="2048" data-file-height="1536" /></a><figcaption>Circuit integrity <a href="/wiki/Fireproofing" title="Fireproofing">fireproofing</a> of cable trays using <a href="/wiki/Calcium_silicate" title="Calcium silicate">calcium silicate</a> board system </figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Promat_signum_tray_cladding_3_mod.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/5/5f/Promat_signum_tray_cladding_3_mod.jpg/220px-Promat_signum_tray_cladding_3_mod.jpg" decoding="async" width="220" height="127" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/5/5f/Promat_signum_tray_cladding_3_mod.jpg/330px-Promat_signum_tray_cladding_3_mod.jpg 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/5/5f/Promat_signum_tray_cladding_3_mod.jpg/440px-Promat_signum_tray_cladding_3_mod.jpg 2x" data-file-width="1315" data-file-height="762" /></a><figcaption>Circuit integrity fireproofing of cable trays</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:MICCCable.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/MICCCable.jpg/220px-MICCCable.jpg" decoding="async" width="220" height="219" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/MICCCable.jpg/330px-MICCCable.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/MICCCable.jpg/440px-MICCCable.jpg 2x" data-file-width="990" data-file-height="984" /></a><figcaption>Fire-resistant cables</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Miccable.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Miccable.jpg/220px-Miccable.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Miccable.jpg/330px-Miccable.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/Miccable.jpg/440px-Miccable.jpg 2x" data-file-width="640" data-file-height="480" /></a><figcaption>MI cables fastened into <a href="/wiki/Junction_box" title="Junction box">junction box</a> that has not been <a href="/wiki/Fireproofing" title="Fireproofing">fireproofed</a></figcaption></figure> <p><b>Circuit integrity</b> describes the extent of a <a href="/wiki/Fire" title="Fire">fire</a>'s effect on an <a href="/wiki/Electrical_circuit" class="mw-redirect" title="Electrical circuit">electrical circuit</a>'s operation. It is a form of <a href="/wiki/Fire-resistance_rating" title="Fire-resistance rating">fire-resistance rating</a>. Circuit integrity is achieved via <a href="/wiki/Passive_fire_protection" title="Passive fire protection">passive fire protection</a> means, which are subject to <a href="/wiki/Listing_and_approval_use_and_compliance" class="mw-redirect" title="Listing and approval use and compliance">listing and approval use and compliance</a>. Alternatively, cable construction and materials can achieve fire-resistance ratings on their own such as <a href="/wiki/Mineral-insulated_copper-clad_cable" title="Mineral-insulated copper-clad cable">mineral-insulated copper-clad cable</a>, or MI cable. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Fireproofing">Fireproofing</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Circuit_integrity&action=edit&section=1" title="Edit section: Fireproofing"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Providing <a href="/wiki/Fireproofing" title="Fireproofing">fireproofing</a> for cables, <a href="/wiki/Cable_tray" title="Cable tray">cable trays</a>, or electrical conduit, is meant to keep cables operational during a specified fire exposure and time, achieved by either: </p> <ul><li>Cable coating with a <a href="/wiki/Fire_retardant" title="Fire retardant">fire retardant</a> lowers the spread of flame along the combustible cable jacketing.</li> <li>An enclosure constructed of fire resistive materials.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Testing_and_certification">Testing and certification</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Circuit_integrity&action=edit&section=2" title="Edit section: Testing and certification"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Testing in <a href="/wiki/Canada" title="Canada">Canada</a> is in accordance with ULC-S101 as required by the local <a href="/wiki/Building_code" title="Building code">building code</a>. </p><p>Inherently fire resistive cables can be tested to UL 2196, Tests for Fire Resistive Cables, whereas enclosures for cables that are not inherently fire resistive can be tested to <a href="/wiki/Underwriters_Laboratories" class="mw-redirect" title="Underwriters Laboratories">UL</a> 1724 or <a href="/wiki/Nuclear_Regulatory_Commission" title="Nuclear Regulatory Commission">USNRC</a> Generic Letter 86-10, Supplement 1 in North America, or BS476 in the <a href="/wiki/United_Kingdom" title="United Kingdom">United Kingdom</a> or DIN4102 in <a href="/wiki/Germany" title="Germany">Germany</a>. </p><p><b>For Petrochemical Industries, Offshore/ Onshore</b>, API 2218 standards are referred as the fireproofing guidelines to address hydrocarbon fires which are more severe than the cellulosic fire profiles used in DIN 4102 and BS 476 part 20 test standards for buildings. </p> <div class="mw-heading mw-heading3"><h3 id="Shaft_wall_systems">Shaft wall systems</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Circuit_integrity&action=edit&section=3" title="Edit section: Shaft wall systems"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Cables can be protected from fire by enclosing them in fire resistive "shaft wall" systems which are vertical and horizontal enclosures similar to ducts. </p> <div class="mw-heading mw-heading3"><h3 id="Current_test_methods">Current test methods</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Circuit_integrity&action=edit&section=4" title="Edit section: Current test methods"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Germany has standardised testing via DIN4102 which encompasses both enclosures for cabling and bus ducts as well as inherently fire-resistive cables such as mineral insulated cables. </p><p>North America testing includes UL1724 Standard for Tests of Thermal Barrier Systems for Electrical System Components and UL2196 Standard for Tests of Fire Resistive Cables. </p> <div class="mw-heading mw-heading4"><h4 id="Ampacity_derating">Ampacity derating</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Circuit_integrity&action=edit&section=5" title="Edit section: Ampacity derating"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>If a cable is covered with a materiel which restricts heat transfer and therefore prevents it from cooling, the elevated temperature can reduce the allowable cable power capacity (i.e., less ampacity). Derating refers to the reduction of the ability of a cable to conduct electricity. </p> <div class="mw-heading mw-heading2"><h2 id="Cladding_and_wrapping_considerations">Cladding and wrapping considerations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Circuit_integrity&action=edit&section=6" title="Edit section: Cladding and wrapping considerations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The added weight of the wrap systems must be included in static and seismic calculations. Fireproofing of the hanging system must also be considered. Regular maintenance must be considered, as cladding and wraps are not load-bearing and can be damaged during normal building or facility operations. </p> <div class="mw-heading mw-heading2"><h2 id="Terminals_and_junction_box_considerations">Terminals and junction box considerations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Circuit_integrity&action=edit&section=7" title="Edit section: Terminals and junction box considerations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The entire circuit must be completely protected including termination points and junction boxes. </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=Circuit_integrity&action=edit&section=8" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> 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title="Conflagration">Conflagration</a></li> <li><a href="/wiki/Dangerous_goods" title="Dangerous goods">Dangerous goods</a> (HAZMAT)</li> <li><a href="/wiki/Deflagration" title="Deflagration">Deflagration</a></li> <li><a href="/wiki/Detonation" title="Detonation">Detonation</a></li> <li><a href="/wiki/Dust_explosion" title="Dust explosion">Dust explosion</a></li> <li><a href="/wiki/Enthalpy_of_vaporization" title="Enthalpy of vaporization">Enthalpy of vaporization</a></li> <li><a href="/wiki/Explosive" title="Explosive">Explosive</a></li> <li><a href="/wiki/Fire_class" title="Fire class">Fire class</a></li> <li><a href="/wiki/Fire_control" title="Fire control">Fire control</a></li> <li><a href="/wiki/Fire_loading" title="Fire loading">Fire loading</a></li> <li><a href="/wiki/Fire_point" title="Fire point">Fire point</a></li> <li><a href="/wiki/Fire_triangle" title="Fire triangle">Fire triangle</a></li> <li><a href="/wiki/Flammability_diagram" title="Flammability diagram">Flammability diagram</a></li> <li><a href="/wiki/Flammability_limit" title="Flammability limit">Flammability limit</a></li> <li><a href="/wiki/Flammable_liquid" title="Flammable liquid">Flammable liquid</a></li> <li><a href="/wiki/Flashover" title="Flashover">Flashover</a></li> <li><a href="/wiki/Flash_point" title="Flash point">Flash point</a></li> <li><a href="/wiki/Friction_loss" title="Friction loss">Friction loss</a></li> <li><a href="/wiki/Gas_leak" title="Gas leak">Gas leak</a></li> <li><a href="/wiki/Heat_transfer" title="Heat transfer">Heat transfer</a></li> <li><a href="/wiki/Jet_fire" title="Jet fire">Jet fire</a></li> <li><a href="/wiki/K-factor_(fire_protection)" title="K-factor (fire protection)">K-factor (fire protection)</a></li> <li><a href="/wiki/Pool_fire" title="Pool fire">Pool fire</a></li> <li><a href="/wiki/Pyrolysis" title="Pyrolysis">Pyrolysis</a></li> <li><a href="/wiki/Spontaneous_combustion" title="Spontaneous combustion">Spontaneous combustion</a></li> <li><a href="/wiki/Structure_fire" title="Structure fire">Structure fire</a></li> <li><a href="/wiki/Thermal_radiation" title="Thermal radiation">Thermal radiation</a></li> <li><a href="/wiki/Water_pressure" class="mw-redirect" title="Water pressure">Water pressure</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="9" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/Fire_alarm_system" title="Fire alarm system"><img alt="Fire alarm sensor" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Mircom_Fire_Alarm_HornStrobe_%28crop%29.jpg/90px-Mircom_Fire_Alarm_HornStrobe_%28crop%29.jpg" decoding="async" width="90" height="68" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Mircom_Fire_Alarm_HornStrobe_%28crop%29.jpg/135px-Mircom_Fire_Alarm_HornStrobe_%28crop%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Mircom_Fire_Alarm_HornStrobe_%28crop%29.jpg/180px-Mircom_Fire_Alarm_HornStrobe_%28crop%29.jpg 2x" data-file-width="800" data-file-height="600" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technology</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/Active_fire_protection" title="Active fire protection">Active fire protection</a></li> <li><a href="/wiki/Automatic_fire_suppression" title="Automatic fire suppression">Automatic fire suppression</a></li> <li><a href="/wiki/Condensed_aerosol_fire_suppression" title="Condensed aerosol fire suppression">Condensed aerosol fire suppression</a></li> <li><a href="/wiki/Detonation_flame_arrester" title="Detonation flame arrester">Detonation flame arrester</a></li> <li><a href="/wiki/External_water_spray_system" title="External water spray system">External water spray system</a></li> <li><a href="/wiki/Fire_bucket" title="Fire bucket">Fire bucket</a></li> <li><a href="/wiki/Fire_prevention" title="Fire prevention">Fire prevention</a></li> <li><a href="/wiki/Fire_protection" title="Fire protection">Fire protection</a></li> <li><a href="/wiki/Fire_retardant" title="Fire retardant">Fire retardant</a></li> <li><a href="/wiki/Fire-retardant_fabric" title="Fire-retardant fabric">Fire-retardant fabric</a></li> <li><a href="/wiki/Fire_retardant_gel" title="Fire retardant gel">Fire retardant gel</a></li> <li><a href="/wiki/Fire-safe_polymers" title="Fire-safe polymers">Fire-safe polymers</a></li> <li><a href="/wiki/Fire_safety" title="Fire safety">Fire safety</a></li> <li><a href="/wiki/Fire_sprinkler_system" title="Fire sprinkler system">Fire sprinkler system</a></li> <li><a href="/wiki/Fire_suppression_system" title="Fire suppression system">Fire suppression system</a></li> <li><a href="/wiki/Firefighting_foam" title="Firefighting foam">Firefighting foam</a></li> <li><a href="/wiki/Flame_arrester" title="Flame arrester">Flame arrester</a></li> <li><a href="/wiki/Flame_retardant" title="Flame retardant">Flame retardant</a></li> <li><a href="/wiki/Flashback_arrestor" title="Flashback arrestor">Flashback arrestor</a></li> <li><a href="/wiki/Fusible_link" title="Fusible link">Fusible link</a></li> <li><a href="/wiki/Gaseous_fire_suppression" title="Gaseous fire suppression">Gaseous fire suppression</a></li> <li><a href="/wiki/Hypoxic_air_technology_for_fire_prevention" title="Hypoxic air technology for fire prevention">Hypoxic air technology for fire prevention</a></li> <li><a href="/wiki/Inerting_system" title="Inerting system">Inerting system</a></li> <li><a href="/wiki/Intumescent" title="Intumescent">Intumescent</a></li> <li><a href="/wiki/Passive_fire_protection" title="Passive fire protection">Passive fire protection</a></li> <li><a href="/wiki/Personal_protective_equipment" title="Personal protective equipment">Personal protective equipment</a> (PPE)</li> <li><a href="/wiki/Relief_valve" title="Relief valve">Relief valve</a></li> <li><a href="/wiki/Spark_arrestor" title="Spark arrestor">Spark arrestor</a></li> <li><a href="/wiki/Tank_blanketing" title="Tank blanketing">Tank blanketing</a></li> <li><a href="/wiki/Vehicle_fire_suppression_system" title="Vehicle fire suppression system">Vehicle fire suppression system</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Building design</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/Annulus_(firestop)" title="Annulus (firestop)">Annulus (firestop)</a></li> <li><a href="/wiki/Area_of_refuge" title="Area of refuge">Area of refuge</a></li> <li><a href="/wiki/Booster_pump" title="Booster pump">Booster pump</a></li> <li><a href="/wiki/Fire_compartmentation" title="Fire compartmentation">Compartmentation</a></li> <li><a href="/wiki/Crash_bar" title="Crash bar">Crash bar</a></li> <li><a href="/wiki/Electromagnetic_door_holder" title="Electromagnetic door holder">Electromagnetic door holder</a></li> <li><a href="/wiki/Electromagnetic_lock" title="Electromagnetic lock">Electromagnetic lock</a></li> <li><a href="/wiki/Emergency_exit" title="Emergency exit">Emergency exit</a></li> <li><a href="/wiki/Emergency_light" title="Emergency light">Emergency light</a></li> <li><a href="/wiki/Exit_sign" title="Exit sign">Exit sign</a></li> <li><a href="/wiki/Fire_curtain" class="mw-redirect" title="Fire curtain">Fire curtain</a></li> <li><a href="/wiki/Fire_cut" title="Fire cut">Fire cut</a></li> <li><a href="/wiki/Fire_damper" title="Fire damper">Fire damper</a></li> <li><a href="/wiki/Fire_door" title="Fire door">Fire door</a></li> <li><a href="/wiki/Fire_escape" title="Fire escape">Fire escape</a></li> <li><a href="/wiki/Fire_extinguisher" title="Fire extinguisher">Fire extinguisher</a></li> <li><a href="/wiki/Fire_hose" title="Fire hose">Fire hose</a></li> <li><a href="/wiki/Fire_hydrant" title="Fire hydrant">Fire hydrant</a></li> <li><a href="/wiki/Fire_pump" title="Fire pump">Fire pump</a></li> <li><a href="/wiki/Fire_sprinkler" title="Fire sprinkler">Fire sprinkler</a></li> <li><a href="/wiki/Firestop" title="Firestop">Firestop</a></li> <li><a href="/wiki/Firestop_pillow" title="Firestop pillow">Firestop pillow</a></li> <li><a href="/wiki/Firewall_(construction)" title="Firewall (construction)">Firewall (construction)</a></li> <li><a href="/wiki/Grease_duct" title="Grease duct">Grease duct</a></li> <li><a href="/wiki/Heat_and_smoke_vent" title="Heat and smoke vent">Heat and smoke vent</a></li> <li><a href="/wiki/Occupancy" title="Occupancy">Occupancy</a></li> <li><a href="/wiki/Packing_(firestopping)" title="Packing (firestopping)">Packing (firestopping)</a></li> <li><a href="/wiki/Penetrant_(mechanical,_electrical,_or_structural)" title="Penetrant (mechanical, electrical, or structural)">Penetrant (mechanical, electrical, or structural)</a></li> <li><a href="/wiki/Penetration_(firestop)" title="Penetration (firestop)">Penetration (firestop)</a></li> <li><a href="/wiki/Pressurisation_ductwork" title="Pressurisation ductwork">Pressurisation ductwork</a></li> <li><a href="/wiki/Safety_glass" title="Safety glass">Safety glass</a></li> <li><a href="/wiki/Smoke_control" title="Smoke control">Smoke control</a></li> <li><a href="/wiki/Smoke_damper" title="Smoke damper">Smoke damper</a></li> <li><a href="/wiki/Smoke_exhaust_ductwork" title="Smoke exhaust ductwork">Smoke exhaust ductwork</a></li> <li><a href="/wiki/Smokeproof_enclosure" title="Smokeproof enclosure">Smokeproof enclosure</a></li> <li><a href="/wiki/Standpipe_(firefighting)" title="Standpipe (firefighting)">Standpipe (firefighting)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Fire_alarm_system" title="Fire alarm system">Fire alarm systems</a></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/Aspirating_smoke_detector" title="Aspirating smoke detector">Aspirating smoke detector</a></li> <li><a href="/wiki/Carbon_monoxide_detector" title="Carbon monoxide detector">Carbon monoxide detector</a></li> <li><a class="mw-selflink selflink">Circuit integrity</a></li> <li><a href="/wiki/Explosive_gas_leak_detector" title="Explosive gas leak detector">Explosive gas leak detector</a></li> <li><a href="/wiki/Fire_alarm_call_box" title="Fire alarm call box">Fire alarm call box</a></li> <li><a href="/wiki/Fire_alarm_control_panel" title="Fire alarm control panel">Fire alarm control panel</a></li> <li><a href="/wiki/Fire_alarm_notification_appliance" title="Fire alarm notification appliance">Fire alarm notification appliance</a></li> <li><a href="/wiki/Fire_drill" title="Fire drill">Fire drill</a></li> <li><a href="/wiki/Flame_detector" title="Flame detector">Flame detector</a></li> <li><a href="/wiki/Heat_detector" title="Heat detector">Heat detector</a></li> <li><a href="/wiki/Manual_fire_alarm_activation" title="Manual fire alarm activation">Manual fire alarm activation</a></li> <li><a href="/wiki/Smoke_detector" title="Smoke detector">Smoke detector</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Professions, trades,<br />and services</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/Duct_cleaning" class="mw-redirect" title="Duct cleaning">Duct cleaning</a></li> <li><a href="/wiki/Fire_insurance" class="mw-redirect" title="Fire insurance">Fire insurance</a></li> <li><a href="/wiki/Fire_protection_engineering" title="Fire protection engineering">Fire protection engineering</a></li> <li><a href="/wiki/Fireproofing" title="Fireproofing">Fireproofing</a></li> <li><a href="/wiki/Fire-resistance_rating" title="Fire-resistance rating">Fire-resistance rating</a></li> <li><a href="/wiki/Fire_Safety_Evaluation_System" title="Fire Safety Evaluation System">Fire Safety Evaluation System</a> (FSES)</li> <li><a href="/wiki/Fire_test" title="Fire test">Fire test</a></li> <li><a href="/wiki/Kitchen_exhaust_cleaning" title="Kitchen exhaust cleaning">Kitchen exhaust cleaning</a></li> <li><a href="/wiki/Listing_and_approval_use_and_compliance" class="mw-redirect" title="Listing and approval use and compliance">Listing and approval use and compliance</a></li> <li><a href="/wiki/Sprinkler_fitting" title="Sprinkler fitting">Sprinkler fitting</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Industry organizations</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/Fire_Equipment_Manufacturers%27_Association" title="Fire Equipment Manufacturers' Association">Fire Equipment Manufacturers' Association</a> (FEMA)</li> <li><a href="/wiki/Institution_of_Fire_Engineers" title="Institution of Fire Engineers">Institution of Fire Engineers</a> (IFE)</li> <li><a href="/wiki/National_Council_of_Examiners_for_Engineering_and_Surveying" title="National Council of Examiners for Engineering and Surveying">National Council of Examiners for Engineering and Surveying</a> (NCEES)</li> <li><a href="/wiki/National_Fire_Protection_Association" title="National Fire Protection Association">National Fire Protection Association</a> (NFPA)</li> <li><a href="/wiki/Society_of_Fire_Protection_Engineers" title="Society of Fire Protection Engineers">Society of Fire Protection Engineers </a> (SFPE)</li> <li><a href="/wiki/Underwriters_Laboratories" class="mw-redirect" title="Underwriters Laboratories">Underwriters Laboratories</a> (UL)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Standards</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/CE_marking" title="CE marking">CE marking</a></li> <li><a href="/wiki/EN_3" title="EN 3">EN 3</a></li> <li><a href="/wiki/EN_54" title="EN 54">EN 54</a></li> <li><a href="/wiki/EN_16034" title="EN 16034">EN 16034</a></li> <li><a href="/wiki/Flame_spread" title="Flame spread">Flame spread</a></li> <li><a href="/wiki/GHS_hazard_statements" title="GHS hazard statements">GHS hazard statements</a></li> <li><a href="/wiki/GHS_precautionary_statements" title="GHS precautionary statements">GHS precautionary statements</a></li> <li><a href="/wiki/Life_Safety_Code" title="Life Safety Code">Life Safety Code</a> (NFPA 101)</li> <li><a href="/wiki/List_of_R-phrases" title="List of R-phrases">List of R-phrases</a></li> <li><a href="/wiki/List_of_S-phrases" title="List of S-phrases">List of S-phrases</a></li> <li><a href="/wiki/Safety_data_sheet" title="Safety data sheet">Safety data sheet</a></li> <li><a href="/wiki/UL_94" title="UL 94">UL 94</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Awards</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/Arthur_B._Guise_Medal" title="Arthur B. Guise Medal">Arthur B. Guise Medal</a></li> <li><a href="/wiki/Fire_Technology#Harry_C._Bigglestone_Award" title="Fire Technology">Harry C. Bigglestone Award</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">See also</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/Template:Fire" title="Template:Fire">Template:Fire</a></li> <li><a href="/wiki/Template:Firefighting" title="Template:Firefighting">Template:Firefighting</a></li> <li><a href="/wiki/Template:HVAC" title="Template:HVAC">Template:HVAC</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Fire_protection" title="Category:Fire protection"><b>Category</b></a></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Fire_protection" class="extiw" title="commons:Category:Fire protection"><b>Commons</b></a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Circuit_integrity&oldid=1239539619">https://en.wikipedia.org/w/index.php?title=Circuit_integrity&oldid=1239539619</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Passive_fire_protection" title="Category:Passive fire protection">Passive fire protection</a></li><li><a href="/wiki/Category:Cables" title="Category:Cables">Cables</a></li><li><a href="/wiki/Category:Electrical_safety" title="Category:Electrical safety">Electrical safety</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_matches_Wikidata" title="Category:Short description matches Wikidata">Short description matches Wikidata</a></li><li><a href="/wiki/Category:Articles_lacking_sources_from_March_2015" title="Category:Articles lacking sources from March 2015">Articles lacking sources from March 2015</a></li><li><a href="/wiki/Category:All_articles_lacking_sources" title="Category:All articles lacking sources">All articles lacking sources</a></li><li><a href="/wiki/Category:Commons_category_link_is_on_Wikidata" title="Category:Commons category link is on Wikidata">Commons category link is on Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 9 August 2024, at 22:21<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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