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Connectors for Medium-Wall (IMC) and Thick-Wall (Rigid) Steel Conduit
Join pieces of medium-wall (IMC) and thick-wall (rigid) conduit.
Fully threaded male and male with threaded ends are also known as nipple extensions. They extend the length of conduit or connect two outlet boxes or enclosures.
Offset elbow connectors join knockouts on outlet boxes or enclosures that do not align.
For technical drawings and 3-D models, click on a part number.
Conduit or Electrical Box Connection | ||||||||
|---|---|---|---|---|---|---|---|---|
| Conduit Trade Size  | Pipe Size | Thread Type | Gender | Lg. | Material | Specifications Met | Each | |
Fully Threaded | ||||||||
| 1/2 | 1/2 | NPT | Male | 1 1/8" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 00000 |
| 3/4 | 3/4 | NPT | Male | 1 3/8" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 1 | 1 | NPT | Male | 1 1/2" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
Threaded Ends | ||||||||
| 1/2 | 1/2 | NPT | Male | 3" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 1/2 | 1/2 | NPT | Male | 6" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 3/4 | 3/4 | NPT | Male | 3" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 3/4 | 3/4 | NPT | Male | 6" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 1 | 1 | NPT | Male | 3" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
| 1 | 1 | NPT | Male | 6" | Galvanized Steel | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000 |
Conduit or Electrical Box Connection | ||||||||
|---|---|---|---|---|---|---|---|---|
| Conduit Trade Size | Pipe Size | Thread Type | Gender | Offset Lg. | Material | Specifications Met | Each | |
| 1/2 | 1/2 | NPSM | Male | 3/4" | Zinc | UL Listed, CSA Certified | 0000000 | 00000 |
| 3/4 | 3/4 | NPSM | Male | 3/4" | Zinc | UL Listed, CSA Certified | 0000000 | 0000 |
| 1 | 1 | NPSM | Male | 3/4" | Zinc | UL Listed, CSA Certified | 0000000 | 0000 |
| 1 1/4 | 1 1/4 | NPSM | Male | 3/4" | Zinc | UL Listed, CSA Certified | 0000000 | 0000 |
| 1 1/2 | 1 1/2 | NPSM | Male | 3/4" | Zinc | UL Listed, CSA Certified | 0000000 | 0000 |
| 2 | 2 | NPSM | Male | 3/4" | Zinc | UL Listed, CSA Certified | 0000000 | 00000 |
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.
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 |