Designed to enclose electrical wiring, switches, receptacles or lighting fixtures. Constructed from 1/16 in. pre-galvanized steel. 8-32 cover mounting screws assembled.Ideal for exposed work applicationsCombination screw heads allow quick installationDrawn constructionFifteen 1/2 in. knockoutsUL Listed18.0 cu. in. capacityAcceptable in 2-hour fire rated walls