Split-Bolt Connector, Connects Copper to Copper Wire, Wire Range w/Equal Main and Tap (AWG) 8 str to 6 sol, Min. Tap Conductor w/1 Max. Main (AWG) 14 str, Material Copper Alloy, Pressure Bar Material Copper Alloy, Head Style Square Head, Standards CSA, UL Listed-Direct Burial, UL486A-486B