Wiremold EFB6S-FC EFB6S-FC Six-Gang Fire-Classified Floor Box

EFB6S-FC - EFB6S-FC Six-Gang Fire-Classified Floor Box designed to be installed in above grade concrete floors while maintaining the fire classification of the floor. This box is classified to be used in 2-hour fire rated floors. Designed to accept standard size wall plates. Box comes complete with all components needed for initial installation. Outlet Boxes and Fittings Classified for Fire Resistance Wiremold (R8209) Type EFB6S-FC, EFB8S-FC and EFB10S-FC preset electrical insert for use in 2-hour fire rated D900 Series Floor-Ceiling designs constructed with nominal 2 or 3 deep fluted steel floor units having a nominal 5 wide valley and crests spaced 12 OC, with a minimum 3 1/4 [83mm] thickness of structural concrete topping.