This RACO model 687 is a professional-grade 4-gang welded electrical switch box designed for housing and protecting wiring devices in a multi-device setup. It features a heavy-duty pre-galvanized steel construction with a 1/2-inch setback FM flush mount side bracket ideal for secure mounting on wood or metal studs. The 2-1/2 inch deep box provides a spacious 63.5 cubic inch capacity to easily manage multi-gang switches or receptacles. It is equipped with multiple concentric 1/2-inch and 3/4-inch knockouts across the sides, ends, and bottom for flexible conduit cable entry. This reliable electrical enclosure is UL listed and certified for safety, making it acceptable for use in 2-hour fire-rated walls. This salvage condition listing includes a quantity of two units