Threaded and threadless insulated bushings: +150 C (+302 F) temperature rating, zinc electroplated malleable iron
Threaded capped bushings: zinc electroplated malleable iron, polyethylene cap
Threaded impact resistant plastic bushing: +105 C (+221 F) temperature rating
Threaded thermoplastic bushing: +150 C (+302 F) temperature rating
Appleton and O‑Z/Gedney conduit bushings are used with a locknut to terminate rigid metal conduit or IMC conduit to a box or enclosure. They provide a smooth pulling surface for wires.
