One-Hole Lug Compression Connector Barrel Size Standard Color Code Red Die Code 18 324 Tongue Angle Straight Tongue Width 0.96 in For Conductor Material Copper For Stud Size 3/8 in For Stranded Copper Wire Size - Minimum 350 kcmil For Stranded Copper Wire Size - Maximum 350 kcmil 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