General Question

Discussion in 'General Electronics Chat' started by TKir, May 14, 2014.

  1. TKir

    Thread Starter New Member

    May 14, 2014
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    0
    Does anyone know how to test if water is electrified or not? I repaired a pool vacuum today that had as one of its many issues a frayed power cord. I repaired the cord using a water tight shrink tube material that I purchased from my local plumbing supply store today. The guys in their said it is the same stuff they use to repair sump pump power cords that they use in there water feature projects?
     
  2. inwo

    Well-Known Member

    Nov 7, 2013
    2,433
    315
    Plug it into a gfi outlet. IMO

    Leakage will trip breaker.
     
  3. #12

    Expert

    Nov 30, 2010
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    6,804
    Electrified pool? This can get dangerous!
    I would find a serious ground, a planetary ground, a network of buried water pipes that are steel or copper. Use that for a ground for my meter and test the water with a wire on a long, wooden or fiberglass stick.

    Of course, you haven't told us whether you live in the swamps of Alabama or the deserts of New Mexico, so we can't guess about how well your local soil conducts electricity.
     
  4. TKir

    Thread Starter New Member

    May 14, 2014
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    Thank you both!

    inwo I will try that and let you know how it goes...

    # 12 I Live in the Willamette Vally of Oregon, so we generally have damp soil, mud & sand mix. I am not sure how to find a network of buried pipes? what type of meter, I might be able to swing the long wooden or fiberglass stick with a wire connected to a meter if you can tell me what type to use. Thanks
     
  5. #12

    Expert

    Nov 30, 2010
    16,294
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    Water pipes make a real ground if they are made of metal. I'm just afraid you will mistake the pool pipes as being ground when they are really the suspects. The meter would be a volt meter set on AC voltage. Harbor Freight has one for under $10 that can do this job.
     
  6. PackratKing

    Well-Known Member

    Jul 13, 2008
    850
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    A relatively waterproof [ based on injection technique ] is to cut a long enough piece of shrink tube, to extend 1" beyond your splice on each end, and then inject that shrinktube with hot-melt glue.. That both shrinks the tube, and forces excess hotmelt out the ends to assure a seal.
     
  7. MaxHeadRoom

    Expert

    Jul 18, 2013
    10,547
    2,371
    Another approved way is to use RTV sealant in the heat shrink and let it set.
    Max.
     
  8. grages

    New Member

    May 6, 2014
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    I find it hard to believe that something designed to be used in a pool is of sufficient voltage or current to provide issues, I also suspect it could be DC. That said what brand/model device is it? That way you can look up the spec's and be sure, all else is just guessing.
     
  9. shortbus

    AAC Fanatic!

    Sep 30, 2009
    4,013
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    They make a heat shrink with the hot melt already in it. It is used for wiring the drop wires to a submersible/deep well, water pump. The pumps have a short wire lead on them, you crimp it to the drop wire and seal with heat shrink. Soldering the wires together is not advised, due to the vibration of the pump. Or at least that's how it's done around this area of the country.
     
    PackratKing likes this.
  10. Brownout

    Well-Known Member

    Jan 10, 2012
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    I agree with posts #9, #8, #7, #6 and #5. Posts #6, #7 and #8 contain ideas I never thought of.
     
  11. bwilliams60

    Active Member

    Nov 18, 2012
    722
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    Wiring cords are not that expensive. Would it not be safer to just replace the entire cord so that there are no "questionable" spots in the cord. Better safe than sorry for a few bucks. As for shrink tube, there is shrink tube with sealer available in the automotive stores. Ask for dual wall heat shrink with sealer. I would double shrink it as it leaves no question when done properly. Slide the first piece over and shrink it and then slide a second longer piece over and shrink it to the first piece. Very good seal. Good luck
     
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