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crazy electrical sh.....
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<blockquote data-quote="4x4dually" data-source="post: 1272561" data-attributes="member: 4100"><p>The last house that I saw do this was nuts. I spent 30 minutes in the house with a meter and found the neutral was floating. Went outside and looked up above the pole. The fools that tied in the overhead clamped the ground from the road to the ground from the shop. Then clamped the ground from the house to the ground going down the pole. Something like that. I don't remember exactly, but there were two pair of returns and they weren't common to each other. This house had been this way for years and years. The soil conditions just got so it finally started taking it's toll with the drought. </p><p></p><p>Neutral, ground, whatever. They are typically tied together on the same bus bar under the meter anyway. The neutral is created by the center tap on the transformer. The earth ground tied to it just keeps it pulled down to "ground" or 0 volts and keeps it from floating. When it floats, you can have 120 between line and neutral, but in reference to earth ground, it could be 160 and 40. Make sense? </p><p></p><p>When you notice this mojo going on, use a DMM and measure the voltage from the neutral in the house panel to a good earth ground. I'd bet it won't be 0 volts. $.02</p><p></p><p></p><p></p><p>Exackary. :clap:</p></blockquote><p></p>
[QUOTE="4x4dually, post: 1272561, member: 4100"] The last house that I saw do this was nuts. I spent 30 minutes in the house with a meter and found the neutral was floating. Went outside and looked up above the pole. The fools that tied in the overhead clamped the ground from the road to the ground from the shop. Then clamped the ground from the house to the ground going down the pole. Something like that. I don't remember exactly, but there were two pair of returns and they weren't common to each other. This house had been this way for years and years. The soil conditions just got so it finally started taking it's toll with the drought. Neutral, ground, whatever. They are typically tied together on the same bus bar under the meter anyway. The neutral is created by the center tap on the transformer. The earth ground tied to it just keeps it pulled down to "ground" or 0 volts and keeps it from floating. When it floats, you can have 120 between line and neutral, but in reference to earth ground, it could be 160 and 40. Make sense? When you notice this mojo going on, use a DMM and measure the voltage from the neutral in the house panel to a good earth ground. I'd bet it won't be 0 volts. $.02 Exackary. :clap: [/QUOTE]
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