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I was reinstalling a light fixture and it bit me. I measured the voltage from its hot to neutral and it kept oscillating between 0 and 40V . It was not phantom voltage I checked. The light switch (dimmer) feeding this line was off, and there is nothing between the lights and the switch. What could possibly be going on here and is it dangerous?

  • What other equipment was operating in the house or area? only need 1 poor neutral connection... – Solar Mike Jul 27 at 5:39
  • everything was on. please elaborate – Walrus the Cat Jul 27 at 6:31
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    Was the tester you used set to AC or was it set to DC? – DDS Jul 27 at 9:37
  • Does the dimmer have a "click" at the end of its range to turn it off, or a separate on-off switch for that matter? – ThreePhaseEel Jul 27 at 15:05
  • @DDS AC. but there was definitely current going through it as per my test with my hand. – Walrus the Cat Jul 27 at 16:44

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