Posted by Janicholson on July 11, 2016 at 07:25:17 from (97.112.56.175):
In Reply to: Ground wire? posted by Geo-TH,In on July 11, 2016 at 04:45:59:
Reality is that electrons flow in conductors when there is more in one place than another. If the place they go levels out the # of electrons, the flow stops. As pointed out, the primary way the US is wired includes two wires, one we call hot, and the other a grounded neutral. This allows the flow to continue from the source through the load, and back to the source, and prevents (when correctly configured) electrons from flowing through mother Earth. Remember we are dealing with 60Hz AC. The electrons do not move at near the speed of light in a wire. They move only as far as they get (really slow in a fat wire with small current, and pretty fast in a thin wire conducting max current) So with the push and pull of polarity in the AC circuit, it is clearly possible for electrons (one named John, one named Pete, and one named Jim) to never get all the way out of a wire except by accident. They just go back and forth like the pendulum of a clock. Mother Earth is so massive and shares so well, that the return Neutral/ground. can be broken and still work. Canada has substantial single wire distribution in rural locations. Does this cause stray voltage to curl the lips of horses? it can if the local ground is insufficient to absorb the electrons, and or it gets dry. Just a different way of looking at it. Jim
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