Raco Single-gang Masonry Boxes are 3-1/2 in. deep. The boxes feature a welded, non-gangable design. Included are eight concentric 1/2 in. and 3/4 in. side knockouts, and two concentric 1/2 in. and 3/4 in. bottom knockouts.
- Rectangular shape neatly fits square cuts in concrete block, 3-3/4 in. X 1-31/32 in.
- Device ears are formed inside the box
- 22.5 cu. in. Capacity
- UL listed