Full Technical Description: Exposition, With Fastening Ring Type; Natural Finished Copper Free Aluminum Material; 1 Inch min. Cable Outer Diameter; 1.5 Inch Max. Cable Outer Diameter; 4 Wire(S); UL 1682, CSA C22.2 Approval; 600 VAC at 50 to 400 Hz, 250 VDC Voltage Rating; 100 Ampere Current Rating; 4 Pole(S); Weatherproof, Watertight; 1, Shell Grounding Style; ARKTITE[R] Brand; Size 4-1/4 Inch L X 3-1/2 Inch W X 6-7/16 Inch H; Screw Size 5/16 Inch-18 TPI; Enclosure NEMA 4; Application Portable Electric Equipment; APQ Model