Grounding Connector, Grounding Wire Size 3/4 in Hub, 8 to 4 AWG SOL, 8 to 4 AWG STR, Material Bronze, Number of Wires - Grounding 1, Description/Special Features Strap Helps Protect Conduit System From Water System Vibrations, For Maximum Ground Conductor Wire Size 4/0 AWG STR, For Minimum Ground Conductor Wire Size 8 AWG, For Use With Copper Conductor, Hub, Water Pipe, Grounding Wires Connected To 1/2 in to 1 in Pipe, Standards UL Listed, UL467, Type - Grounding Connector Mechanical