Quote:
Originally Posted by mike31154
Most folks simply use a multimeter set to the AC volt scale. One test probe into the water, the other to your ground connection. The voltage potential you get will vary depending on the type of equipment you use and in what shape it is. Any kind of fluorescent lights will most certainly induce some voltage potential into the water, depending on how far above the surface the lamps are mounted. Low levels of AC voltage are generally nothing to be concerned about.
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what value should someone be looking for "as a low value" safe value?