Hubbell Wiring Device-Kellems Twist-Lock Elastogrip, HBL29W48, Female Connector, Isolated Grounding Standard Sized Water/Dust-Tight Cord Mount Watertight, 250 V AC, 30 A, 2 hp, 2 Pole, 3 Wires, L6-20R/L6-30R/WD1/WD6 NEMA Rating, Commercial/Industrial Grade, NEMA 4/4X/6/6P/12/IP65/IP66/IP67 Enclosure, 3/8 to 1 in Diameter Cord, -40 to 75 deg C, Screw Terminal, Elastomer/Composite, Yellow, 2.77 x 2.77 x 5.67 in Dimensions