Wiring Device-Kellems Insulgrip® Straight Blade Connector, Female Grounding Insulated Cord Mount, 125 VAC, 20 A, 1 hp, 2 Pole, 3 Wires, 5-20R NEMA Rating, Commercial/Industrial Grade, IP20 Enclosure, 0.23 to 0.72 in Diameter Cord, -40 to 75 deg C, Screw Terminal, Polycarbonate, Black/White, 2.78 x 1.41 x 1.53 in