Hubbell Wiring Device-Kellems Twist-Lock Elastogrip, HBL27W47, Female Connector, Dust/Watertight Grounding Isolated Insulated Standard Cord Mount, 125 V AC, 20 A, 1 hp, 2 Pole, 3 Wires, L5-20R NEMA Rating, Commercial/Industrial Grade, NEMA 4/4X/6/6P/12/IP65/IP66/IP67 Enclosure, 3/8 to 7/8 in Diameter Cord, -40 to 75 deg C, Screw Terminal, Elastomer/Composite, Yellow, 2.51 x 2.51 x 5.69 in Dimensions