Re: Ground Current
Posted by Don Madaglia on September 04, 2003 at 21:21:48:
In response to Re: Ground Current
I get involved with bonding and grounding problems. My experience has been with the problem you describe, is, the electrical service or services to your building may have ground loops. I.e. to many grounds, this will cause circulating currents that will be present on water pipes. Typically a pipe in the building is used for a ground or a grounding point. If the hot water heaters are the source of the current that tells me that the hot water heater is electric or has an electric circulating pump. If this is the case installing dielectric couplers will only mask the problem of bad electrical insulation on the heater or the pump. You may want to have an electrician look at the problem first, although this is a problem most electricians will recognize.

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