1-1/4" deep, 4" square drawn junction boxes with (12) 1/2" side knockouts and (4) 1/2" bottom knockouts are installed in walls or ceilings for lighting fixtures, switches, receptacles or other outlet devices. Square boxes are used to bring power to a number of electrical devices where multiple conductor runs are split in two or more directions. Garvin Industries’ extra shallow box design allows conduits to be run into shallow stud walls when multiple conductor runs need to be split in two or more directions. They Include a raised ground provision on the bottom of box.