One-Hole Lug Compression Connector Barrel Size Standard Color Code Green Die Code 375 Tongue Angle Straight Tongue Width 0.8 in For Conductor Material Aluminum Copper For Stud Size 3/8 in For Stranded Copper Wire Size - Minimum 4 AWG For Stranded Copper Wire Size - Maximum 4 AWG Inspection Hole No Hole Center to Center Not Applicable Material Aluminum Maximum Operating Temperature 194 Degrees F Maximum Voltage 35 kV AC Termination Style Crimp