Crouse Hinds APJ3485 Mating Plug Brand: Crouse Hinds. Part Number: APJ3485. Crouse-Hinds Arktite Mating Plug, Grounding Style 2 Heavy Duty Watertight Weatherproof, Series: APJ, 600 VAC/250 VDC, 100 A, 75 hp, 50 to 400 Hz Frequency, 4 Pole, 3 Wires, NEMA 4 Rating, Crimp/Pressure/Solder Terminal, Copper-Free Aluminum, Natural, 4-1/8 in Dia x 10-1/8 in L Dimensions. Additional Description: CRHD-APJ3485 30AMP 3W4P STYLE 2 NON-HAZ PLG W/FASTENING RING BUSH FASTENING RING. Catalog Description: Eaton Crouse-Hinds series Arktite APJ plug, 30A, 0.39-1.20, Three-wire, four-pole, 50-400 Hz, Style 2, Copper-free aluminum, 600 Vac/250 Vdc..