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  1. #11
    Super Member texasjohn's Avatar
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    Oct 2005
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    5,552
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    Central Texas, Jarrell
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    Kubota 5030HSTC

    Default Re: House voltage varying up and down

    I once had varying voltage in the house....would set off my computer UPS battery backups sireen. ...turned out to be in the transformer on the pole at the house. Net, the power company should deal with it.
    Joy is having the tools you need and needing the tools you have!

    Kubota 5030 HSTC, BB, Danueser PHD, LA853 QA HD FEL w JD toothbar, 3pt chisel, 3 pt disk, 6' shredder, Kubota FEL hay spike, 3pt hay fork w carryall, Kubota RTV 1140

  2. #12
    New Member
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    Sep 2008
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    16
    Location
    N.W. Pennsylvania
    Tractor
    Ford 841 W/ Loader ; Kubota M7040 W/FEL & BH

    Default Re: House voltage varying up and down

    What you are describing sounds like a bad connection on your neutral line. Since this problem is in common with your neighbor's house I would suspect it is back at the pole. You need to call the power company A.S.A.P. Bad connection problems tend to get worse. Soon your electronics and appliances will burn out.

  3. #13
    Veteran Member
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    Jul 2009
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    1,743
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    IL
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    B2710

    Default Re: House voltage varying up and down

    Utility company was here, by the time they came the voltage had returned to 120v on both legs (naturally) but given my description and the fact that two houses were involved, the guy went ahead and redid the neutral connections at the pedestal and pole. He said there's still a chance it's a problem with a neutral further upstream, but unless the problem returns that's as much as they can do. Thanks to all for the quick responses.

    I think I figured out why turning on the coffee pot could make lights get brighter. The lights were on leg at 105v, coffee pot on leg at 135v. When pot is turned on it changes the voltage on the neutral wire, causing the difference between neutral and the 105v leg to increase, hence a brighter burning light. I thought I was losing my mind when I saw that.
    Kubota B2710, New Holland CM274 front mower, Toro Zmaster ZTR, Ford 908 bush hog, New Idea manure spreader, Swisher trail mower

  4. #14
    Gold Member
    Join Date
    Aug 2007
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    384
    Location
    Northern Illinois
    Tractor
    2013 Kioti dk40 hst, wright stander zero turn

    Default Re: House voltage varying up and down

    If your getting hi/ low voltage on both your phases when putting load on them you defiantly have a neutral problem. Like others said if your neighbor is havong the same problem than its probably at the pedestal or transformer. You could also have a fault in the IRd neutral. The utility can put load on your meter socket ( the beast) and check for a voltage Imbalance ( if they know how).

  5. #15
    Silver Member
    Join Date
    May 2012
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    110
    Location
    Buffalo, MN
    Tractor
    AC C, AC 170 gas, AC 180 diesel, Agco Allis 8630 FWA diesel, Farmall H, Farmall M

    Default Re: House voltage varying up and down

    Quote Originally Posted by Travelover View Post
    Usually the problem is a bad common wire connection in the service panel.
    This is most likely the problem. A loose connection on the common/neutral wire can be in the service panel, or the meter, or on the overhead or underground connection points. This bad connection could be anywhere between your house & the transformer, and it is a serious problem. Don't waste any time getting it checked out!

  6. #16
    Super Member grsthegreat's Avatar
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    Jan 2011
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    6,461
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    north idaho
    Tractor
    dk45se hst cab

    Default Re: House voltage varying up and down

    electrician here... ive seen that alot of times. always has been related to a neutral. Hope they get the problem fixed. good luck
    currently own
    2011 Kioti DK45SE HST CAB tractor/loader, Jimna 6" - 3 point wood chipper, 60" JD Brush Hog, JD 60" Rototiller, 3 point post hole digger with hydraulic assist, 3 point spring tooth rake, Fimco 55 gallon weed sprayer with 12 foot boom, 3 point hydraulic wood splitter (home built)
    Quick Attach 79" loader mount snowblower & rear powerpack
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  7. #17
    Veteran Member
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    IL
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    B2710

    Default Re: House voltage varying up and down

    Went and looked today in the daylight at what the guy did. The neutral wire coming off the transformer that's hanging on the pole has a new shiny connector that attaches it to the wire that runs down the side of the pole. He also told me he redid the neutral connection in the pedestal, but I can't see anything inside the box. Hopefully this solved the problem. I was surprised how quick they came, I don't think it took more than an hour for the service truck to show up.
    Kubota B2710, New Holland CM274 front mower, Toro Zmaster ZTR, Ford 908 bush hog, New Idea manure spreader, Swisher trail mower

  8. #18
    Platinum Member caver's Avatar
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    Dec 2006
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    530
    Location
    Sikeston, MO
    Tractor
    Fisher Price, toddlers first tractor.

    Default Re: House voltage varying up and down

    The neutral floats when you lose it so now you essentially have two 120 volt devices in series. I tell people it is like having a poltergeist in their house. If it happens again unplug electronic stuff as they will fry. Check the neutral in your panel and grounding circuit too unless you feel the utility co. solved the problem.
    Claude farmer

  9. #19
    Veteran Member
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    IL
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    B2710

    Default Re: House voltage varying up and down

    Quote Originally Posted by caver View Post
    The neutral floats when you lose it so now you essentially have two 120 volt devices in series. I tell people it is like having a poltergeist in their house. If it happens again unplug electronic stuff as they will fry. Check the neutral in your panel and grounding circuit too unless you feel the utility co. solved the problem.
    I checked my own connections, they're fine. If I had been thinking when this happened I would have also checked the other neighbor's voltage because he's not on the same transformer as the two of us. If his voltage was bad too it would have been clear the problem was in the neutral line coming down the street and not just at our transformer or pedestal. If this happens again I'll do more diagnosis.
    Kubota B2710, New Holland CM274 front mower, Toro Zmaster ZTR, Ford 908 bush hog, New Idea manure spreader, Swisher trail mower

  10. #20
    Veteran Member
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    Michigan

    Default Re: House voltage varying up and down

    Quote Originally Posted by BeezFun View Post
    ........ If his voltage was bad too it would have been clear the problem was in the neutral line coming down the street.........
    Is there a neutral wire that comes down the street? I think that I've just got two high tension wires and the "neutral" is created at the transformer.

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