Grounding clamps

[jgonzalezusnvet]

Is there a code that requires a copper clamp for the ground rod and or the water main? If not what is the best material to use?

JGonzalez

 

[Pharon]

It does not need to be copper, but it does need to be listed for that use type. I've seen them in copper, stainless steel, zinc, and bronze.