Gangable 3 in x 2 in switch box, offers the option of constructing a box to hold two or more devices. Beveled corners prevent the clamp screws from protruding into the back wall. With nonmetallic sheathed cable clamps. Acceptable for use in 2-hour fire ratedwalls. Four cable knockouts (ends). Two 1/2 in conduit knockouts (ends). 1/2 in conduit knockouts (bottom). With leveling bumps. No plaster ears, not suitable for old work. UL Listed.