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Confused readings

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  • Confused readings

    When I turn my light switch off I have power at my hot and neutral wires and the light is off. When I turn the light on I have power only on the hot side. I'm using a sound emitting tester. Is this normal or do I have concerns.

  • #2
    Re: Confused readings

    Those things are a piece of crap. The only thing I use them for is seeing if i have sucsessfully shut off power to the circuit I am working on. You can get them things to chirp sitting in your pocket, shoot, I make sure the batteries are good by rubbing it on my forearm. If it chirps, batteries are good, if not, check in a known live receptacle and replace batteries. I always check them on a known live circuit before relying on that tool for anything. A cheap $10 multimeter is a MUCH better tool for checking for line voltage than them stupid chirpers.
    We don't have preventative maintenance around here, we have CRISIS MANAGEMENT!

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    • #3
      Re: Confused readings

      I did check it on a live circuit and dialed it in until it only chirped when close to a live wire, but that still doesn't answer why the hot was live while on and the hot and neutral were live while off. Should it not be the other way around?

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      • #4
        Re: Confused readings

        Originally posted by MarshallB View Post
        When I turn my light switch off I have power at my hot and neutral wires and the light is off. When I turn the light on I have power only on the hot side. I'm using a sound emitting tester. Is this normal or do I have concerns.
        Is the switch on the lamp? Or on the wall? Remember, power is present all the way through the lamp to the switch if the switch is located on the lamp itself. Other than that, it sounds like "operator error" to me.
        Licensed Electrician

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        • #5
          Re: Confused readings

          Originally posted by MarshallB View Post
          I did check it on a live circuit and dialed it in until it only chirped when close to a live wire, but that still doesn't answer why the hot was live while on and the hot and neutral were live while off. Should it not be the other way around?
          Put that thing back in your toolbox and use a proper tool, either a voltmeter, or a wiggy.
          We don't have preventative maintenance around here, we have CRISIS MANAGEMENT!

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