Stray 60 millivolts, a problem? - SailNet Community

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Go Back   SailNet Community > On Board > Gear & Maintenance > Electrical Systems
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Old 08-25-2013
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Stray 60 millivolts, a problem?

By mid August my shaft zincs and prop zincs are all but gone. The boat is out on a mooring in Marion. I threw one end of a wire in the water and connected the other, through my voltmeter to metal part of the boat. I saw readings of about 60 millivolts. I shut off the batteries and got the same reading.

Is there a "normal" background level of electricity that I should see?

Thank you for your thoughts.
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Ed Reiss
Being There
Freedom F38 #154
out of Marion, MA
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