Feature: 125/250 Volt, 3-Pole, 4-Wire, 50 Amp Nema 14-50 receptacle with square wall plate. It fits in 2-Gang box styles. It fits all wall plates with a 2.15" diameter center hole Great Material: Impact-resistant themoplastic and nylon materials for long service life. Heavy galvanized steel and mounting strap to resist corrosion. High quality, industrial grade Easy Installation: Flush mounting 14-50 outlet, fast wiring, accept #10 - #4 AWG Wide Range Application: Ideal for any high amperage residential and commercial power connectivity application, EV RV oven stove and range receptacle Safe: Designed and tested in accordance with UL requirement