One-Hole Lug Compression Connector Barrel Size Long Color Code White Die Code 66 Tongue Angle Straight Tongue Width 1.21 in For Conductor Material Aluminum For Stud Size 5/16 in Inspection Hole No Hole Center to Center Not Applicable Material Aluminum Maximum Voltage 35 kV AC Standards CSA Certified UL Listed Number of Holes 1 Barrel Outside Diameter 0.857 in Connector Type Straight Barrel Contact Finish Tin For Stranded Aluminum Wire Size - Maximum 4/0 AWG