Pass & Seymour® Turnlok® Locking Plug, Watertight, Series: 28 Series, 480 VAC, 30 A, 3 Pole, 4 Wires, NEMA L16-30P NEMA Rating, Commercial Grade, NEMA 4/4X/12/6/6P/IP67 Enclosure, 0.64 to 0.93 in Diameter Cord, -40 to 60 deg C, Rubber, Yellow, 2.5 in Dia x 3.11 in L Dimensions