“1. Membrane penetrations of not more than 2-hour fire-resistance-rated walls and partitions by steel electrical boxes that do not exceed 16 sq. in. (0.0103 m 2) in area, provided that the aggregate ...

2) the type and size of electrical box covered, 3) a description of the fire-resistance-rated wall assemblies covered, 4) the specific method for the installation of the product, 5) the type of cover ...

British General (BG), a trusted name in electrical accessories, has launched its latest innovation — the Fire Rated Back Box, ...

It states, in part, that “openings around electrical penetrations into or through fire-resistant-rated walls, partitions, floors or ceilings shall be fire-stopped using approved methods to ...