Grounding Connector Grounding Wire Size 8 AWG to 750 kcmil Material Copper Number of Wires - Grounding 1 Description/Special Features Direct Burial For Maximum Ground Conductor Wire Size 750 kcmil For Minimum Ground Conductor Wire Size 8 AWG For Use With Copper Conductors Ground Rods Pipes Grounding Wires Connected To 4 in to 5 in Rod Standards UL Listed Direct Burial UL467 Type - Grounding Connector Mechanical Accessory Type Ground Clamp Bolt Size 3/8 in