Ideal Sizing: with a whole diameter of approximately 4 inches, these shallow outlet boxes can comfortably house your wiring while not imposing too much on your ceiling space, designed with 5 holes that are 1/2 inch deep and 1/2 inch bottom knockouts, providing an ideal choice for mounting ceiling fan and wall lighting
Versatile Usage: these ceiling fan electrical boxes have conduit knockouts or camps for nonmetallic sheathed cable, can accommodate versatile uses, including lighting fixtures, ceiling fans, ceiling lamps, and other electrical devices, their versatility adds to their appeal for those looking for a multipurpose solution for their electrical needs at home, living room, office, computer room, garage, factory and other occasions