or products of combustion will not be substantially increased. Electrical penetrations into or through fire-resistance-rated walls, partitions, floors ...
Penetrations of floor/ceiling assemblies and assemblies required to have a fire-resistancerating shall be protected in accordance with the International Building Code ...
Penetrations of floor/ceiling assemblies and assemblies required to have a fire-resistancerating shall be protected in accordance with Chapter 7 of the International Building Code ...