Flush Mount Power Outlet Flush mount receptacle feature a heavy gauge galvanized steel mounting strap for corrosion resistance. Fits in BOTH single and 2-Gang box styles. Specifications 50 Amps 125/250V, NEMA 14-50R, Grounding, 3 Pole 4 Wire, UL Listed. Flammability rating is V-2 per UL94, Industrial Grade and Heavy Duty, Straight Blade. Fits all wall plates with 2.15" diameter center hole. Toughened Nylon Housing + Brass Contacts Durable nylon construction provides high impact resistance. Large and brass contacts produce superior contact pressure that results in outstanding conductivity. Easy Installation Flush receptacles are completely ready-to-wire, shorten installation time significantly. Terminals marked for easy identification and fast wiring. Terminal Accepts #10, #8 to #4 AWG. Receptacles will accept copper or aluminum wire. Wide Application Widely use for heavy electrical dryers, ranges, (EV) Electric Vehicles, welders, outdoor electrical generato