8471 BOX, SWITCH 3X2X2-1/4 | Beveled corner box, designed to prevent the clamp screws from protruding into back wall. Non-metallic sheathed cable clamps. Acceptable for use in 2 hrs rated walls. Four cable knockouts (end). One 1/2 in conduit knockout (bottom). No bracket, clamp screws through beveled corners. With ears. 3 in x 2 in x 2-1/4 in D. 10.5 cu-in. UL listed.