The properties of fire retardant cables tobe used for different applications shall in general be as follows: b) Fire Retardant Cables:Ĭables that are not Fire Resistant shall be Fire Retardant type and shall comply with the requirements of IEC 60332-3 (Category – C). These cables shall comply with the requirements of IEC 60331 and IEC 60332-3 (Category C) or better. This includes all parts of F & G Systems, ESD systems, PA Systems, warning beacons and platform status lamps, fire control systems, and power supplies to those systems. The cables used shall in general be of the following types: a) Fire Resistant Cables:Ĭables of this type shall be used for all circuits that have a safety-related function, or are required to remain operational under emergency conditions. The temperature index shall be over 250C. The inner and outer jacket of the cables shall be made of extruded flame retardant 90 C PVC to IS 5831 type ST2. Also refer relevant Electrical Specification for further details on cables.) Cable Types: (The general requirements of cables are as given below.
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