3” X 2” GANGABLE SWITCH BOXESTopaz Gangable Switch Boxes are 3-1/2” deep for a total of 18 cu. in. wiring capacity. Switch boxes are available with adjustable plaster ear, NM clamps, or MC clamps (where noted,) and can be installed in walls or ceilings for lighting fixtures switches receptacles or other outlet devices to bring power to a number of electrical devices where multiple conductor runs are split in two or more directions. cULus listed and ROHS compliant.