Hubbell Wiring HBL28W49

Wiring Device-Kellems, HBL28W49, Locking Male Plug, 1-Phase Grounding Portable Standard Sized Water/Dust-Tight Cord Mount, 277 VAC, 30 A, 2 Pole, 3 Wires, L7-30P/WD1/WD6 NEMA Rating, NEMA 4/4X/6/6P/12 Enclosure, 3/8 to 1 in Diameter Cord, -40 to 60 deg C, Screw Terminal, Composite, Yellow, 2.77 x 2.77 x 3.94 in Dimensions