Oct Use of water pipes as your earth ground electrode. The NEC requires that water pipes be bonded to ground, even if these metal pipes are not used as part of the grounding system.
Different Pipe Materials. Water pipes made of copper or cast iron were favored as grounding devices because they typically extended at least feet underground. Where hot and cold water pipes are electrically connecte you need only one bonding jumper — to either the cold- or hot- water pipe.
Otherwise, use a single. Dec My cold water piping is bonded to the panel at the cold supply of the clothes washer. The hot piping is presumably electrically connected to the cold through the. Is it OK to create a third prong ground from a cold water pipe.
JanWhy is there a copper wire attached to this water pipe. DecWhen are copper pipes a ground ? MarIs water pipe grounding achieved thru pipe or thru water. Home Improvement Stack. JulMorefrom diy.