One-Hole Lug Compression Connector Barrel Size Short Color Code Gray Die Code 29 Tongue Angle Straight Tongue Width 0.63 in For Conductor Material Aluminum For Stud Size 5/16 in For Stranded Copper Wire Size - Minimum 6 AWG For Stranded Copper Wire Size - Maximum 6 AWG Inspection Hole No Material Aluminum Maximum Operating Temperature 300 Degrees F Maximum Voltage 600 V AC Termination Style Crimp Seam Style Seamless Standards UL Listed Number of Holes 1 RoHS Compliant Yes