Hubbell Wiring Device-Kellems AUTOGUARD Style Line GFCI Receptacle, 1-Phase Decorator Duplex Grounding Heavy Duty Standard Self-Test Screw Mount, 125 VAC, 20 A, 1 hp, 60 Hz Frequency, 2 Pole, 3 Wires, 5-20R NEMA Rating, Commercial Grade, -30 to 150 deg F, Screw Terminal, Thermoplastic/Composite, White, 1.75 in W x 1.47 in D