Leviton 5050 B01-0-000 Electrical Receptacle, 125/250 Vac, 50 A, 3 Pole, 3 Wire, Pack of 1, Black N/A Made in USA Built of durable thermoplastic Equipped with heavy-gauge, double-wire copper alloy contacts To ensure correct and speedy wiring, terminals have ID markings 50 Amp, 125/250 Volt Total Power Outlets : 1 Fits all wallplates with 2.15" diameter center hole Terminals marked for easy identification and fast wiring All mounting hardware included Easy-to-wire terminals accept up to No. 4 AWG conductors 10 Year Limited Warranty