HUBBELL Extension Ring, 12 Knockouts, (8) 1/2 Inch, (4) 3/4 Inch Side Knockout, 4 Inch Length, 4 Inch Width, 1-1/2 Inch Depth, Square, 22.5 cu-Inch, Drawn Steel, Silver, Pre-Galvanized
Color | : | Silver |
Depth | : | 1-1/2 Inch |
Finish | : | Pre-Galvanized |
Knockout Size | : | (8) 1/2 Inch, (4) 3/4 Inch Side |
Length | : | 4 Inch |
Material | : | Drawn Steel |
Nominal Capacity | : | 22.5 cu-Inch |
Number of Knockouts | : | 12 |
Shape | : | Square |
Warranty | : | 1 Year on Material and Workmanship |
Width | : | 4 Inch |
Standard/Approvals: UL 514-A File E195978
Application: For adding cubic capacity or as an outlet box for surface conduit