Sigma 41311 Ground Clamp ProConnex 1-1/4 -2" Copper Alloy BRAND NEW! THE PACKING WAS OPENED AND INSPECTED. Sigma's Ground Clamps are used to connect bare or insulated copper wire to copper or galvanized steel water pipe or copper tubing. Sigma ProConnex Grounding Clamps facilitate secure connections between bare or insulated copper wires. These clamps are designed specifically for joining copper or galvanized steel water pipes. They are also suitable for connecting copper tubing effectively. The clamps ensure reliable grounding, crucial for electrical safety and compliance. They offer a robust solution for both residential and industrial applications. UL Listed Yes Height 2.13" Width 0.72" Number in Package 1 pk Conduit Compatibility Water pipe, copper tubing and ground rods Sub Brand ProConnex Indoor or Outdoor Outdoor Length 3.56" Product Type Ground Clamp Material Copper Alloy CSA Listed Yes Each Weight 0.400 LB Alternative UPC 785991184426