Full Technical Description: Application Hazardous Location; Approval UL; Finish Natural; Material Aluminum; Maximum Cord Diameter 0.437 Inch; Minimum Cord Diameter 0.25 Inch; Number of Cores 3; Size 2-1/16 Inch Dia; Trade Size 3/4 Inch-14 TPI NPT; Current Rating 20 Ampere; Voltage Rating 460 V