Grounding Connector Grounding Wire Size 10 AWG SOL to 2 AWG STR Material Bronze Number of Wires - Grounding 1 Description/Special Features Copper Screw for Use In Direct Burial Applications For Maximum Ground Conductor Wire Size 2 AWG STR For Minimum Ground Conductor Wire Size 10 AWG SOL For Use With Ground Rods Metallic Water Pipes Grounding Wires Connected To 1/2 in to 1 in Pipe Standards CSA 234283 cULus Type - Grounding Connector Mechanical Accessory Type Ground Clamp