Extension rings provide additional cubic capacity. May be used an outlet box fro surface conduit. Constructed from 1/16 in pre-galvanized steel.
Finish | : | Galvanized |
Height | : | 4.046 in |
Length | : | 1-1/2 in |
Material | : | Steel |
Number of Gangs | : | 1 |
Number of Knockouts | : | 12 |
Type | : | Square |
Width | : | 4 in |