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pet fence (underground fence)

Discussion in 'Electronic Repair' started by L. Kotney, Jul 23, 2007.

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  1. L. Kotney

    L. Kotney Guest

    Any one repairing Guardian transmitters or have information on them such as
    schematic or parts break down.

    I am tired of paying 100 plus dollars every time lighting
    strikes. Any way to surge protect these that is effective.
     
  2. And, the dogs _lived_ ?!?!? :)
     
  3. James Sweet

    James Sweet Guest

    Open it up, is anything obviously toasted? Lightning damage can do weird
    things.

    Best bet is to add a disconnect switch which grounds the loop when a storm
    rolls through, you might also try adding some gas discharge surge protectors
    from each terminal to ground. They're often used in telephone equipment.
     
  4. L. Kotney

    L. Kotney Guest

    Thanks

    So far I have found two tranisitors shorted a
    blown out capacitor and the transformer opened.
    I unplug it when I am around but sometimes I am just
    not there.
     
  5. Guest

    dose not work do not buy i bought one couse i have a dog who likes to
    run we tried everything nothen worked so we tryed this and it did not
    work he's a little dog and we had to put it on 3 and it still didn't
    keep him in the yard the shock is not powerful enough and only shocks
    for a sec. not worth the hassel
     
  6. L. Kotney

    L. Kotney Guest

    Oh it works well for me and my dog, but
    you have to take the time to train them
    what to do when they hear the tone, there is the warning
    tone and then the shock comes if they do not turn back.
    into the safe zone...
     
  7. Vey

    Vey Guest

    The lightning is coming in the main connection, then to the sub-panel,
    then to the circuit and out through the best ground it can find, which
    is that long underground wire. What you have to do is create a shorter
    and easier path to ground for the surge to go out by improving the
    grounding.

    That's going to be hard, because underground wire is an excellent
    ground. Yet, I think it can be done. The good place to improve the
    grounding is near the main disconnect panel. You probably have two
    five-foot-long rods, six feet apart there already and that is fine to
    meet the minimum code requirement, but not good enough for you and
    according to the lightning experts, not good enough for most houses
    these days when even the washing machine and dryer have a computer in them.

    One way to improve grounding is to put in longer rods. Preferably long
    enough to get into the water table. If you have a water well around
    there, that can give you an idea of how deep the water table is. Longer
    rods as well as rods with threads and bronze couplers are usually
    available at real electrical stores, but not at the Big Box or hardware
    stores.

    You can also add more rods or better yet, you can create a separate
    circuit for the sensitive device(s), then add a grounding rod for that
    circuit, with a wire coming right from the circuit breaker to a long
    grounding rod. That separate rod is then connected to the others using
    #6 or #4 solid wire. I've done this before and it has worked fine.

    After improving the grounding, the surge protectors will work as
    designed. Or you can go a little better and put in a whole house surge
    suppressor, which doesn't take the place of the small ones you are more
    familiar with, but tries to bled most of the surge off at the main panel
    before it gets inside. It's good for the A/C unit and other things that
    aren't likely to blow, but are damaged slightly each time none-the-less.

    For more info, see John's website at:
    http://www.psihq.com &
    http://www.psihq.com/InfoRead1.htm

    John knows more about this than anyone else I know.
     
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