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Reducing Washers for Medium-Wall (IMC)
and Thick-Wall (Rigid) Steel Conduit
Reduce the knockout size in an outlet box or enclosure so you can attach a different size of medium-wall (IMC) and thick-wall (rigid) steel conduit to it. Two reducing washers are required per knockout.
For technical drawings and 3-D models, click on a part number.
| Conduit Trade Size | Material | Specifications Met | Pkg. Qty. | Pkg. | |
| 3/4 × 1/2 | Steel | UL Listed, CSA Certified | 10 | 00000000 | 00000 |
| 1 × 1/2 | Steel | UL Listed, C-UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 1 × 3/4 | Steel | UL Listed, C-UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 1 1/4 × 1/2 | Steel | UL Listed, C-UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 1 1/4 × 3/4 | Steel | UL Listed, C-UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 1 1/4 × 1 | Steel | UL Listed, C-UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 1 1/2 × 1 | Steel | UL Listed, C-UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 2 × 1/2 | Steel | UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 2 × 3/4 | Steel | UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 2 × 1 | Steel | UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 2 × 1 1/4 | Steel | UL Listed, CSA Certified | 10 | 00000000 | 00000 |
| 2 × 1 1/2 | Steel | UL Listed, CSA Certified | 10 | 00000000 | 00000 |
Raintight Reducing Washers for Medium-Wall
(IMC) and Thick-Wall (Rigid) Steel Conduit
Seal out moisture while reducing a knockout size in an outlet box or enclosure. Each includes a washer and a rubber-coated steel gasket.
For technical drawings and 3-D models, click on a part number.
| Conduit Trade Size | Material | Includes | Specifications Met | Each | |
| 3/4 × 1/2 | Steel | Rubber-Coated Steel Gasket | UL Listed, C-UL Listed, ANSI/NEMA FB 1 | 00000000 | 00000 |
| 1 × 1/2 | Steel | Rubber-Coated Steel Gasket | UL Listed, C-UL Listed, ANSI/NEMA FB 1 | 00000000 | 00000 |
| 1 × 3/4 | Steel | Rubber-Coated Steel Gasket | UL Listed, C-UL Listed, ANSI/NEMA FB 1 | 00000000 | 00000 |
| 1 1/4 × 1/2 | Steel | Rubber-Coated Steel Gasket | UL Listed, C-UL Listed, ANSI/NEMA FB 1 | 00000000 | 00000 |
| 1 1/4 × 3/4 | Steel | Rubber-Coated Steel Gasket | UL Listed, C-UL Listed, ANSI/NEMA FB 1 | 00000000 | 00000 |
| 1 1/4 × 1 | Steel | Rubber-Coated Steel Gasket | UL Listed, C-UL Listed, ANSI/NEMA FB 1 | 00000000 | 00000 |
| 2 × 1/2 | Steel | Rubber-Coated Steel Gasket | UL Listed, C-UL Listed, ANSI/NEMA FB 1 | 00000000 | 00000 |