One-Hole Lug Compression Connector Barrel Size Standard Color Code Brown Die Code 10 Tongue Angle Straight Tongue Width 0.5 in For Conductor Material Aluminum Copper For Stud Size 1/4 in For Stranded Copper Wire Size - Minimum 2 AWG For Stranded Copper Wire Size - Maximum 2 AWG Inspection Hole Yes Hole Center to Center Not Applicable Material Copper Maximum Operating Temperature 194 Degrees F Maximum Voltage 35 kV AC Termination Style Crimp