With non-metallic sheathed cable clamps. Two 1/2 in conduit knockouts and four cable knockouts (sides). One 1/2 in conduit knockout (bottom). Can be used in the installation of ceiling or wall lighting fixtures or as a junction box. Not designed for ceiling fan support. 50 lb maximum recommended static load. 2-1/8 in deep, 21.5 cu-in capacity. UL listed.