NEMA 14-50R Flush Mount, Straight Blade, 3 Pole 4 Wire,120/250 VOLT, High Amperage Draw Use Heavy Duty Allen Head Screws, Constructed with High-Impact Resistant Thermoplastic Materials Heavy-Gauge, Double-wipe Copper Alloy Blades, ensures Superior Strength, Durability and Lifetime Use Welding, EV Charging Approved, Indoor/Outdoor, Standard Rating from UL498, CSA C22.2, #42 Lifetime No B.S. Warranty, Choose from Black or White color