Single flush locking receptacle. Extra-thick 0.50 inch nickel-plated brass mounting strap for high-abuse applications. Designed for maximum durability. Features 1-piece 0.040 inch brass, high copper content contacts with nickel-plated clamp-type terminals. UL (Underwriter's Laboratories) listed, CSA (Canadian Standards Association) certified. Limited lifetime warranty. Use with 1.60 inch diameter wall plate.