Wiring Device-Kellems Twist-Lock® Insulgrip® Locking Connector, Heavy Duty Female Non-Grounding Insulated Standard, 250 VAC, 20 A, 2 hp, 2 Pole, 2 Wires, NEMA L2-20R, Industrial Grade, IP20 Enclosure, 0.23 to 0.72 in Cord Dia, -40 to 75 deg C, Pressure Screw Terminal, Composite/Nylon, Black/White, 2.78 in L x 1.41 in W x 1.53 in H