Method for assessment of fire integrity of cast resin busbar trunking systems for the safety critical power distribution to life safety and fire fighting systems1 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.

BS EN ISO 12952-1does not apply to mattresses

EN 50173-4 specifies generic cabling in homes

Where markings are not fully specified in RID they are included in this standard

Health authorities

d) variations from BS EN 81-20 which might have been approved under design examination schemes by Notified Bodies

5 Basic numeric types and abbreviations

ventilating fans and regulators for household and similar purposes

including dedicated kinds of quantity

It also describes how the SIRF logical format is serialized for storage containers in the cloud and for tape-based containers

c) non-volatile

New requirements have been introduced for participation and consultation

the intention is to give a general overview and comparison of the key elements so that the user can more easily understand and appreciate the differences between the two procedures and their similarities