With non-metallic sheathed cable clamps. Two 1/2" conduit knockouts and four cable knockouts, (sides). One 1/2" conduitknockout, (bottom). Used in the installation of ceiling or wall lighting fixtures or as a junction box. 1-1/2" deep, 15.5 cubic inch capacity. 50 pound maximum recommended static load. Not designed for ceiling fan support. Acceptable for use in 2-hour fire rated walls. UL Listed. UPC bar code.