Square Boxes are manufactured from durable pre-galvanized steel, and are designed to house and protect electrical wiring, switches, receptacles, and to support light fixtures. All steel boxes are UL listed and acceptable for use in 2-hour fire rated walls and ceilings. 8-32 cover mounting screws are assembled.
4 in. square x 1-1/2 in. D
Welded steel construction
Supplied with ten 1/2 in. and six 1/2-3/4 in. TKO knockouts