Two-Hole Lug Compression Connector Barrel Size Long Color Code Gray Die Code 29 Tongue Angle Straight Tongue Width 0.56 in For Conductor Material Copper For Stud Size 5/16 in For Stranded Copper Wire Size - Minimum 4 AWG For Stranded Copper Wire Size - Maximum 4 AWG Inspection Hole No Hole Center to Center 1 in Material Copper Maximum Operating Temperature 300 Degrees F Maximum Voltage 600 V AC Termination Style Crimp Seam Style Seamless Standards CSA Certified UL Listed