Method for assessment of fire integrity of cast resin busbar trunking systems for the safety critical power distribution to life safety and fire fighting systems Ingestion-build-54484 or less than or equal

or less than or equal to 60 V d

bulk factor is the ratio of the volume of any given quantity of the loose plastic material to the volume of the same quantity of the material after molding or forming

By undertaking these tests

To specify which tests should be performed in order to determine the functional performance and how such tests should be carried out

Method for assessment of fire integrity of cast resin busbar trunking systems for the safety critical power distribution to life safety and fire fighting systems Ingestion-build-54484 or less than or equal1 Scope This British Standard gives a method for assessment of the fire integrity of cast resin busbar trunking systems for the safety critical power distribution to life safety and fire fighting systems, intended to maintain circuit integrity when exposed to fire. It is applicable to cast resin busbar trunkings of rated voltage not exceeding 1 000 V a. c. NOTE Busbar trunking systems are specified in BS EN 614396: 2012.