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Low Earth Orbit
Lighting & Electrical
Why An Open Neutral Kills 120V Devices
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<blockquote data-quote="Langston Holland" data-source="post: 58340" data-attributes="member: 171"><p>Re: School is in</p><p></p><p></p><p></p><p>I'm impressed Geoff. I've violated my promise to make my next post the one with the circuit analyzer contest questions, but this is some serious insight. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile :)" data-smilie="1"data-shortname=":)" /></p><p></p><p>I'd go ahead and tell you what I've concluded about the neutral failure with the genny hookup, but my two employees have $50 each riding on giving me a good answer to this by Aug 1st. I get $50 from them if they don't figure it out. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile :)" data-smilie="1"data-shortname=":)" /></p><p></p><p>I can't believe I'm about to do this, but here are some clues:</p><p></p><p>1. The genny was fine, but had no neutral to ground bond because it had just been used near a building with electrical service.</p><p>2. The genny lug bolts for the electrical cables had no color coding or understandable L/N/G markings.</p><p>3. They had a good meter with a (not helpful in this case) 10MΩ input impedance.</p></blockquote><p></p>
[QUOTE="Langston Holland, post: 58340, member: 171"] Re: School is in I'm impressed Geoff. I've violated my promise to make my next post the one with the circuit analyzer contest questions, but this is some serious insight. :) I'd go ahead and tell you what I've concluded about the neutral failure with the genny hookup, but my two employees have $50 each riding on giving me a good answer to this by Aug 1st. I get $50 from them if they don't figure it out. :) I can't believe I'm about to do this, but here are some clues: 1. The genny was fine, but had no neutral to ground bond because it had just been used near a building with electrical service. 2. The genny lug bolts for the electrical cables had no color coding or understandable L/N/G markings. 3. They had a good meter with a (not helpful in this case) 10MΩ input impedance. [/QUOTE]
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Why An Open Neutral Kills 120V Devices
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