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Adapters for Medium-Wall (IMC) and Thick-Wall (Rigid) Steel Conduit
Attach medium-wall (IMC) and thick-wall (rigid) steel conduit to a knockout in an outlet box or enclosure.
NPSM male × flanged end male straight adapters are also known as conduit nipples, chase nipples, and box adapters. The flange installs through a knockout from inside an outlet box or enclosure. Use with a locknut (not included) to create a short raceway between boxes or enclosures.
For technical drawings and 3-D models, click on a part number.
Straight Adapters—Threaded Conduit Connection × Flanged End Electrical Box Connection
Conduit Connection | Electrical Box Connection | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Conduit Trade Size  | Pipe Size | Thread Type | Gender | For Knockout Trade Size | Gender | Lg. | Material | Specifications Met | Each | |
| 1/2 | 1/2 | NPSM | Male | 1/2 | Male | 5/8" | Zinc | UL Listed, C-UL Listed, CSA Certified | 0000000 | 00000 |
| 3/4 | 3/4 | NPSM | Male | 3/4 | Male | 3/4" | Zinc | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 1 | 1 | NPSM | Male | 1 | Male | 13/16" | Zinc | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 1 1/4 | 1 1/4 | NPSM | Male | 1 1/4 | Male | 7/8" | Zinc | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 1 1/2 | 1 1/2 | NPSM | Male | 1 1/2 | Male | 15/16" | Zinc | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 2 | 2 | NPSM | Male | 2 | Male | 1" | Zinc | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |