Grounding Connector Grounding Wire Size 10 AWG SOL 12 to 1 AWG STR Material Copper Number of Wires - Grounding 1 Description/Special Features Direct Burial For Maximum Ground Conductor Wire Size 1 AWG STR For Minimum Ground Conductor Wire Size 10 AWG SOL For Use With Copper Conductors Ground Rods Grounding Wires Connected To 5/8 in Rod Standards UL Listed Direct Burial UL467 Type - Grounding Connector Mechanical Accessory Type Ground Clamp Bolt Size 3/8 in For Rod Dia 5/8 in