Ul Fire Resistive Cable

21 2012 ul and ulc re established certification of fire resistive cables for use in electrical circuit integrity systems.

Ul fire resistive cable. Iec 60332 3 bs 4066 3 flame test on bunched wires cables. Refer to r27557 fire resistive cable ul vitalink brand type fplr ci st1 cmr ci ls cl3r ci st1 for use in system no. Ulc listed fire resistant cable circuit integrity rating cir cable fhjrc there are two issues here. Mineral insulated mi cable has provided this added protection for decades.

Ul standard ul 2196 edition 2 standard for fire test for circuit integrity of fire resistive power instrumentation control and data cables edition date. We test assemblies to international standards establishing an hourly rating to provide evidence of compliance to code requirements. 2 with ahj approval a larger size conduit may be required if an egc is used. This is commonly known as a circuit integrity ci cable and is 2 hour fire rated.

Ul standard for fire retardant cable. Iec 60332 1 bs 4066 1 flame test on single vertical insulated wires cables. What are fire resistive or fire rated cables. For use as ci cable installation follows the nec and local code.

Ul 2196 certified fire resistive cable for survivability in a fire 1 ampacities are based on table 310 15 b 16 formerly table 310 16 of the national electrical code nfpa 70 for 3 current carrying conductors at 30 c ambient. Suitable fire resistance rated constructions can be identified by using our. Fire resistive fire resistant and circuit integrity cables ul has recently conducted research on a wide array of current products and systems originally certified under ul 2196 tests for fire resistive cables and ulc s139 standard method of fire test for evaluation of integrity of electrical cables and determined that they no longer. Vitalink armored features benefits.

Vitalink is available in the us and canada. Refer to installation instructions for hardware certifications. In addition to the dual rated ci cic cables vitalink now includes the industry s only armored and ethernet cables approved to ul 2196. They have passed rigorous ul fire resistive testing maintaining a constant signal connection for two hours at 1850 f.

Fire resistance rated designs are used to achieve code compliant installations where the building codes require hourly rated designs. First a concern was brought to ul s attention that when fire resistive cables were installed in conduit with a zinc coating the circuit integrity was compromised by a reaction of the zinc with the copper conductors lowering. August 29 2017 ansi approved. Fire resistant cables are often used to maintain circuit integrity of those vital life safety systems such as fire alarm and suppression services.