Split-Bolt Connector Body Finish Unplated Body Material Copper For Minimum Run Wire Size 4/0 AWG For Maximum Run Wire Size 750 kcmil For Minimum Tap Wire Size 4/0 AWG For Maximum Tap Wire Size 750 kcmil Head Style Square Head Hex Nut Size 2.31 in Maximum Voltage 35 000 V Torque 1 000 in-lb Overall Length 3.51 in Overall Width 1.94 in Standards CSA Certified UL 486A UL 486B UL 486D Connects Copper to Copper Wire Minimum Tap Conductor w/1 Maximum Main (AWG) 4/0 str