4' Square Boxes Old Work 4 Square Box
- 1-1/2" deep, 4" square welded junction boxes with flush mount brackets and clamps for nonmetallic Raco Block-Loc Masonry Boxes With Brackets - 2-1/2" deep switch boxes with old-work clips are used to support toggle switches, duplex devices, 2-1/8" deep, 4" square Corrugated Steel Wall Boxes are installed in walls or ceilings for lighting fixtures, switches, receptacles or ...