Cast Bronze Ground Clamps, Water Pipe/Rebar/Ground Rod -Ground, Water Pipe- 1/2"-1" (13 -25) (Run), Rebar- #4 -#6 (Run) Ground Rod -3/8"-1" (Run), Water Pipe- 1/2 " - 1 "(13 -25) (Run), Rebar #4-#6 (Run), Ground Rod -3/8" - 1" (Run ), Ground-#8 - 4/0 (Tap).