Use locknuts to secure rigid and intermediate metal conduit (RMC and IMC) to an outlet box or enclosure. Install washers at the connection point to create a tight seal that keeps oil, fumes, and liquid away from electrical wiring.
Secure threaded conduit and connectors to a threadless opening on an electrical box or enclosure with these locknuts.
Zinc Plated Steel
Protect electrical wiring from oils, fumes, and liquids with these seal washers, also known as sealing gaskets. Install them between a threaded conduit connector and an electrical box to create a liquid-tight seal at the knockout opening.