Octagonal Steel Outlet Boxes with Knockouts
Knockouts allow you to modify these boxes to fit your application.
For technical drawings and 3-D models, click on a part number.
Extenders
| No. of Knockouts | Knockout Trade Size | Ht. | Wd. | Dp. | Capacity, cu. in. | Finish | Each | |
| 4 | 1/2 | 4" | 4" | 1 1/2" | 15.5 | Zinc Plated | 00000000 | 00000 |
Blank Covers
| Ht. | Wd. | Finish | Mounting Fasteners Included | Each | |
| 4" | 4" | Zinc Plated | No | 00000000 | 00000 |
Blank Covers with Knockouts
| No. of Knockouts | Knockout Trade Size | Ht. | Wd. | Finish | Mounting Fasteners Included | Each | |
| 1 | 1/2 | 4" | 4" | Zinc Plated | No | 00000000 | 00000 |
Covers for NEMA Outlets
| For Max. No. of Devices | Ht. | Wd. | Finish | Mounting Fasteners Included | Each | |
| 1 | 4" | 4" | Zinc Plated | No | 00000000 | 00000 |