Compression Adapter Connection Orientation Straight Die Code 299 For Conductor Material Aluminum Copper For Stranded Copper Wire Size - Minimum 250 kcmil For Stranded Copper Wire Size - Maximum 250 kcmil Insulation Material Rubber Maximum Voltage 35 kV Number of Crimps 2 Pin Diameter 0.469 in Pin Equivalent Wire Size 3/0 AWG Pin Length 1.22 in Contact Finish Tin Contact Material Aluminum Barrel Diameter 1.11 in Barrel Length 1.07 in Color Code Brown