This 4 in. Pre-galvanized Steel Square 2-Gang Box is for use with conduit. It is made of pre-galvanized steel. Switch and outlet boxes along with all accessories are protected from rust and corrosion by Zinc Galvanizing.
- 1-1/2 in. deep 21 cu. in. box
- Drawn construction with 1/2 in. knockouts
- Total of 16-1/2 in. knockouts
- To be used with electrical conduit