Material | Steel Pre-galvanized |
Size | 3/4" K.O. |
Type | Drawn |
Standard | UL 514A |
Depth | 2-1/8" |
Thickness | 0.7mm - 1.6mm |
Usage | 4" Octagon Boxes and Extension Rings are used in the installation of light fixtures and other electrical devices in walls and ceilings. The multiple knockouts (in sizes 1/2" 3/4" 1", MKO), non-metallic and metal sheathed cable clamps allow for easy installation. |