Full Technical Description: Natural Copper Free Aluminum Material; 0.875 Inch min. Cable Outer Diameter; 1.375 Inch Max. Cable Outer Diameter; 4 Wire(S); UL 1010 Approval; 480 VAC Voltage Rating; Class I Div 1 and 2 Group B C D, Class II Div 1 and 2 Group F G, Class III, NEMA 3/4/7B/7C/7D/9F/9G/12 Enclosure; 60 Ampere Current Rating; 5 Pole(S); Bhr Mating Receptacle; CROUSE-HINDS[R] Brand; Applicable Standard ANSI; With Cable Grip, Neoprene Bushing; BHP Model