Gangable switch box offers the option of constructing a box to hold two or more devices. Adjustable plaster ears allow box to be used in "old work" applications. Provided old work clips on side of box eliminates the need for additional box supports to secure box in wall opening. Two 1/2 in bottom knockouts and two 1/2 in end knockouts. 2-1/2 in deep - 12.5 cubic inches. UL 514-A listed, File E195978.