Pin and Sleeve Clamping Ring Plug, Constructional Feature Raintight, Voltage Rating 600 VAC/250 VDC 3 Phase at 50 to 400 Hz, Current Rating 60 Ampere, Number of Poles 4, Number of Wires 3, Grounding Style 2, Shell, Extra pole, Minimum Cable Outer Diameter 0.39 Inch, Maximum Cable Outer Diameter 1.375 Inch, Material Epoxy Powder Coated Copper-Free Aluminum, Approval UL 1682/1686/50E/ E145916/E145917, CSA C22.2