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Dimming lights

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  • Dimming lights

    the past couple days my lights in the house have bin flickering
    just now every thing was going low and high .it stoped after i shut off the main 100amp breaker ,turned it back on then 3min later it did it again .shut off for 1 min and now back on with every thing ok

    is it the 100 amp breaker or some thing different

    no one around us is having a problem
    Charlie

    My seek the peek fundraiser page
    http://observatory.mountwashington.o...nal&fr_id=1040


    http://www.mountwashington.org/weather/conditions.php

    new work pictures 12/09
    http://public.fotki.com/hvachawk/

  • #2
    Re: Dimming lights

    I bet money it is a brown out, and it's more prevalent in your home given a 100amp panel and more feeds than what it was intended to have.


    Electric heat/stove and water heater?

    A/C unit, dryer?

    Or all gas?
    Northern Kentucky Plumbers Twitter Feed | Plumbing Videos

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    • #3
      Re: Dimming lights

      Originally posted by DUNBAR View Post
      I bet money it is a brown out, and it's more prevalent in your home given a 100amp panel and more feeds than what it was intended to have.


      Electric heat/stove and water heater?

      A/C unit, dryer?

      Or all gas?
      gas stove ,dryer
      very little lights on ac is shut down
      im waiting for it to do it again so i can check the volts before and after the main breaker

      now it wont happen
      Charlie

      My seek the peek fundraiser page
      http://observatory.mountwashington.o...nal&fr_id=1040


      http://www.mountwashington.org/weather/conditions.php

      new work pictures 12/09
      http://public.fotki.com/hvachawk/

      Comment


      • #4
        Re: Dimming lights

        Something's going loose, might want to check the tightness on the breakers, neutral, and grounding bars. Worse yet, a splice in a junction box somewhere is going loose.

        Do you live near a railroad track, busy road, or airport where your home is vunerable to vibration?

        Comment


        • #5
          Re: Dimming lights

          Originally posted by tailgunner View Post
          Something's going loose, might want to check the tightness on the breakers, neutral, and grounding bars. Worse yet, a splice in a junction box somewhere is going loose.

          Do you live near a railroad track, busy road, or airport where your home is vunerable to vibration?
          no to tracks
          it does not happen on a regular time ,there is no wind

          im wondering if the main breaker is going bad

          i will have to call a sparky tomorrow to check the meter and the splice at the house
          Charlie

          My seek the peek fundraiser page
          http://observatory.mountwashington.o...nal&fr_id=1040


          http://www.mountwashington.org/weather/conditions.php

          new work pictures 12/09
          http://public.fotki.com/hvachawk/

          Comment


          • #6
            Re: Dimming lights

            ok lights just got bright and checked volts 145v 1 leg 100 2nd leg

            lasted for less then a min
            Charlie

            My seek the peek fundraiser page
            http://observatory.mountwashington.o...nal&fr_id=1040


            http://www.mountwashington.org/weather/conditions.php

            new work pictures 12/09
            http://public.fotki.com/hvachawk/

            Comment


            • #7
              Re: Dimming lights

              Originally posted by HVAC HAWK View Post
              ok lights just got bright and checked volts 145v 1 leg 100 2nd leg

              lasted for less then a min
              Sounds like a loose neutral.

              Comment


              • #8
                Re: Dimming lights

                I don't usually post on this section but the same thing happened to my house a few years back, loose neutral at the weatherhead! Serious problem, call your power co fast. Better safe than sorry.

                Comment


                • #9
                  Re: Dimming lights

                  Originally posted by HVAC HAWK View Post
                  ok lights just got bright and checked volts 145v 1 leg 100 2nd leg

                  lasted for less then a min
                  Yeah, a loose neutral, the main breaker going bad, or worse. I have to ask, is your service above or below ground?

                  Comment


                  • #10
                    Re: Dimming lights

                    Also Alum creeps [shrinks. ] Every time I'm in someones panel I tighten every lug.
                    Remember copper clad allum. wire during the Nam. war?? JUNK loose ground
                    I can build anything You want , if you draw a picture of it , on the back of a big enough check .

                    Comment


                    • #11
                      Re: Dimming lights

                      Originally posted by tailgunner View Post
                      Yeah, a loose neutral, the main breaker going bad, or worse. I have to ask, is your service above or below ground?
                      I was told by the Power Linemen that if the neutral fell completely off, I could fry a lot of things in the house, over 400volts comming in, sound right?
                      If so, too bad we can't get a message to him!
                      Last edited by Frankiarmz; 09-20-2009, 11:53 PM.

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                      • #12
                        Re: Dimming lights

                        Had the same thing happen to a neighbors little rental house. I changed out the old 50 or 60 amp fuse box for a 100 amp breaker box and ran a few extra circuts. Anyway, about a week later he calls and says lights are flickering and wants me to come and check it out. I checked everything and found one of the hot legs low on volts on both sides of the main. Power company came out and found a loose wire at the pole mounted transformer. All was fine after that.

                        G3

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                        • #13
                          Re: Dimming lights

                          A bad breaker will not cause over voltage. I say loose neutral as well, I have seen this a few times now

                          Comment


                          • #14
                            Re: Dimming lights

                            I'm taking down my reply as for most members it's simply not safe to try the tests. I'm glad that HVAC HAWK got things fixed up.
                            Last edited by Woussko; 09-24-2009, 01:03 AM.

                            Comment


                            • #15
                              Re: Dimming lights

                              I agree it sounds like you have a loose neutral. This may likely be behind the meter in its socket. Do you have aluminum wiring? If you do then make sure you have the connection nolaxed upon repair.

                              In Phoenix metro the power company will verify the loose neutral, but you require a licensed electrician to replace the worn meter socket and insert the wires. You may even need a building permit!

                              The work behind the meter is cramped and DANGEROUS you really need to have experience and know the correct safety measures....there is 240VAC always hot in there!!!!!!!


                              Cactus Man

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