Hubbell Raco 519 3-Inch x 2-Inch Switch Box, 2-1/2-Inch Deep, Gang able, NMSC clamps, w/plaster ears. Switch boxes are used to house wiring devices such as switches or receptacles. Gang able switch box offers the option of constructing a box to hold two or more devices. Adjustable plaster ears allow box to be used in -Inch old work-Inch applications.