Two-Hole Lug Compression Connector Barrel Size Standard Color Code Gray Die Code 346 8 Tongue Angle Straight Tongue Width 0.5 in For Conductor Material Copper For Stud Size 1/4 in For Stranded Copper Wire Size - Minimum 4 AWG For Stranded Copper Wire Size - Maximum 4 AWG Inspection Hole Yes Hole Center to Center 0.625 in Material Copper Maximum Operating Temperature 194 Degrees F Maximum Voltage 35 kV AC Termination Style Crimp Standards CSA Certified UL 486A-486B UL Listed