Compression Adapter Connection Orientation Straight Die Code 299 For Conductor Material Aluminum Copper For Stranded Copper Wire Size - Minimum 350 kcmil For Stranded Copper Wire Size - Maximum 350 kcmil Insulation Material Rubber Maximum Voltage 35 kV Number of Crimps 2 Pin Diameter 0.578 in Pin Equivalent Wire Size 250 kcmil Pin Length 1.34 in Contact Finish Tin Contact Material Aluminum Barrel Diameter 1.11 in Barrel Length 1.07 in Color Code Brown