Leviton ML1-C 15 Amp, 125 Volt, Locking Connector, Non-Grounding, Industrial Grade, MiniLock, Black-White Super Tough Nylon Body Resists Damage From Severe Impact, Abrasion and Chemicals UL/Fed Spec/CSA/NOM Mating Plugs, Connectors, Receptacles and Inlets Available Backed by a Lifetime Warranty Exceed UL 498 standards