Four cable knockouts (ends). One 1/2 in conduit knockout (bottom). With clamps for non-metallic sheathed cable. "S" backset. Mounting guides set 3/8 in, with bumps. Angle nail type. 3 in x 2 in x 2-27/32 in deep, 15.8 cu-in capacity. Prepositioned mounting nails included. Acceptable for use in 2 hrs rated walls. UL listed.
