Extension rings provide additional cubic capacity. May be used an an outlet box for surface conduit. Constructed from 1/16 in. pre-galvanized steel.
- Combination screw heads provide for fast installation
- Drawn construction
- Easy installation
- Capacity: 22-1/2 cu in
- Number of Gangs: 2 gang
- Width: 4 in.
- Height: 4 in.
- Depth: 1.5 in.
- Knockout Size: 1/2 X 3/4 in.