Steel City® products have set the standard as the leading brand in electrical construction. In manufacturing quality and innovative design, Steel City® has no peer.
Steel City® Extension Ring, 1-Outlet, 1/2 in Knockout, 4 in Length, 4 in Width, 1-1/2 in D, Squared, Knockout Cable Entry Size, 21 cu-in, Steel, Pre-Galvanized, Silver
| Cable Entry Size | : | Knockout |
| Capacity | : | 21 cu-in |
| Color | : | Silver |
| Finish | : | Pre-Galvanized |
| Knockout Size | : | 1/2 in |
| Shape | : | Square |
| Type | : | 1-Outlet |
| Length | : | 4 in |
| Width | : | 4 in |
| Depth | : | 1-1/2 in |
| Material | : | Steel |
Specification Sheet