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Right Guage of Wire for the job

Discussion in 'Electronic Basics' started by Nikki, Jun 5, 2005.

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  1. Nikki

    Nikki Guest

    Hi Guys
    We just bought a used Hot Tub and was wondering what gage of wire we
    would use. Its an average size (seats 6)with an electric heater and two
    pumps. My guess would be 10-3
    Nikki
     
  2. Chris

    Chris Guest

    Hi, Nikki. If you're at the skill level where you're wondering what
    wire to use, I'd recommend against doing it yourself. It's easy to
    create a potentially lethal situation here unless you do things right.
    Look at your local building and elecrical codes for pools and/or hot
    tubs -- it will tell you some of the necessary requirements. Look
    particularly at the setback requirements for the disconnect box
    (profoundly important), and the GFCI requirement (also profoundly
    important).

    If you don't want to hire an electrician, at least look around for
    someone knowledgeable who can kibbitz and give you the hints you need,
    as well as being able to check out your work.

    Good luck
    Chris
     
  3. The wire size is determined by the current requirement, and length of
    cable run from the breaker panel. #10 wire is good for 30 amps, but
    you should go to #8 if the cable run is over 60 ft.

    As another poster suggests, from the wording of your question, I would
    recommend that you get a qualified electrician to do the electrical
    work.


    --
    Peter Bennett, VE7CEI
    peterbb4 (at) interchange.ubc.ca
    new newsgroup users info : http://vancouver-webpages.com/nnq
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  4. w_tom

    w_tom Guest

    Devices where human sits in water require extra
    considerations. For example, wire gauge for an essential
    safety ground wire. If located outside, then gauge for buried
    ground wire must also be considered. Some jurisdictions even
    require a dedicated 6 AWG bare copper wire from tub direct to
    breaker box safety ground. Also required is the GFCI.
    Numbers were not provided (volts and amps) - as if all heaters
    and pumps have same electrical requirements. 'No numbers'
    suggests insufficient technical knowledge.

    Due to dangers involved and because your wording suggests
    woefully insufficient knowledge, then get a licensed
    electrician. If for no other reason, the safety of our
    friends. Electricity and water require numerous special
    considerations.
     
  5. Don Bowey

    Don Bowey Guest

    For a good answer, go to any hot-tub store and pose the question to them.
    I've never been in a hot-tub store where they would not go out of their way
    to be helpful - they want your future business.

    I use a gas heater for mine, so I'm using a direct bury, 12-3 with ground
    cable to get the 220V there via a 20A breaker. The code did not require a
    GFCI, as the pumps, lights, and blower are all air-switch controlled.

    Have fun..... Nothing is more relaxing than a long soak.

    Don
     
  6. Matty F

    Matty F Guest

    An amusing picture of how not to use an electric drill near water:
    http://tinypic.com/5oau86
    (32k jpg)
     
  7. Rich Grise

    Rich Grise Guest

    Is that really water, or a polyethylene drop cloth?

    Thanks!
    Rich
     
  8. Matty F

    Matty F Guest

    There's a drop cloth that drapes into the pool. It looks like the bottom
    two rungs of the ladder are covered in water. The operator has bare feet
    and is wet to his waist, probably because he had to wade to reach the
    ladder. When he climbs down he will have to hold the cable connection to
    stop it falling in the water. Are those bottles of booze on the side of
    the pool that the workmen have been enjoying?
    But he's following the instructions for the drill manual - he's wearing
    safety goggles. Nowhere does it say that all the other things he's doing
    are dangerous.
     
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