Built of durable thermoplastic, Leisure Cords Power Receptacles - come equipped with heavy-gauge, double-wire copper alloy contacts. To ensure correct and speedy wiring, terminals have ID markings. Flush mount receptacles fit Leisure Cords wide range of 2.15"-diameter wallplates and mounting hardware is included. 50 Amp, 125/250 Volt, NEMA 14-50R, 3P, 4W, Flush Mounting Receptacle, Straight Blade, Industrial Grade, Grounding, Side Wired, Steel Strap, Black.