IEC 309 430P7W Plug, 30A, 480V, 3 Pole, 4 Wire, 3-Phase, Watertight, Red - Cooper # AH430P7W 430P7W Male Plug Cooper/Arrowhart Part # AH430P7W Rated for 30A, 480V 3-Pole, 4-Wire IEC 60309 Pin and Sleeve Plug