Raco 21-1/2 cu in Octagon Steel 1 gang Electrical Box Gray

Steel octagon boxes 4 inch - drawn construction. Three 3/4 inch and two 1/2 inch conduit knockouts (bottom). No bracket. Can be used in the installation of ceiling or wall lighting fixtures or as a junction box. Not designed for ceiling fan support. 50 lbs. maximum recommended static load. Acceptable for use in 2-hour fire rated walls. UL Listed.