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