Four 1/2 in conduit knockouts (sides). Four cable knockouts (end). Two 1/2 in conduit knockouts (end). One 1/2 in conduit knockout (bottom). With non-metallic sheathed cable clamps. 3 in x 2 in x 2-3/4 in D. 14 cu-in. Acceptable for use in 2 hrs rated fire walls. UL listed.
