One-Hole Lug Compression Connector Barrel Size Long Color Code White Die Code 66 Tongue Angle Straight Tongue Width 1.2 in For Conductor Material Copper For Stud Size 3/8 in For Stranded Copper Wire Size - Maximum 4/0 AWG Inspection Hole No Hole Center to Center Not Applicable Material Aluminum Maximum Voltage 35 kV AC Termination Style Crimp Standards UL Listed Number of Holes 1 Barrel Outside Diameter 0.857 in Connector Type Straight Barrel Contact Finish Tin