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Thread: dumb electric question about gfci plug for intex

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    dumb electric question about gfci plug for intex

    Hi All:

    I finally broke down and ordered the sand filter and larger pump for my pool. The little toy is still grinding away, pool looks great, but running it all the time is asking for trouble I am sure. I still half want to see how long it will last but I suppose keeping it for a back up is a saner idea.

    Anyway, the Intex products all seem to come with a gfci built into the plugs, but we installed a gfci receptacle for the electric out there before I even opened the box. At the time I cut the male version off the pump cord and just used a three prong replacement plug. I am feeling lazy (and it is another 20 mile trip to town for another, or I have to take the one off the small pump) so my question is:

    Is there any reason I shouldn't plug the Intex gfci plug into a gfci receptacle?
    somewhere around 6,800 gal 18 x 4 foot round Intex Ultra Frame AG, finished filling August 29, 2013. toy pump w/ "A" cartridge up and running next day --- July 2015 upgraded to Krystal Clear 3000 GPH pump and 16" sand filter --- May 2016 Intex auto cleaner and in July salt system and Hayward skimmer

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    Re: dumb electric question about gfci plug for intex

    This is more of a safety issue then anything.
    Let's just look at this for a second.

    'The ground-fault circuit interrupter, or GFCI, is a fast-acting circuit breaker designed to shut off electric power in the event of a ground-fault within as little as 1/40 of a second. It works by comparing the amount of current going to and returning from equipment along the circuit conductors.'

    'A ground fault circuit interrupter (GFCI) or Residual Current Device (RCD) is a device that shuts off an electric power circuit when it detects that current is flowing along an unintended path, such as through water or a person. It is used to reduce the risk of electric shock, which can cause the heart to stop or cause burns. They can also prevent some fires, like when a live wire touches a metal conduit.'

    I would suggest having at least one GFCI in place when dealing with water.

    Edit: Most non-Intex pumps do not come with a GFCI end and are just expected to be plugged into a GFCI receptable.

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    Mod Squad tim5055's Avatar
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    Re: dumb electric question about gfci plug for intex

    While it is not a good idea to have duplicate GFCIs on a circuit, the main reason is to,avoid having to search to see which GFCI tripped when the power goes out. With a cord end GFCI plugged into a GFCI receptacle this is really not an issue.

    The National Electrical Code (if adopted in your area) requires outdoor receptacles to be protected by a GFCI. The NEC also requires a cord end GFCI for seasonal pools like your Intex. Just go ahead and use them like they are.

    It is never a good idea to cut off a cord end GFCI as it then looses the UL certification on the product. At that point should there be an accident, both the manufacturer and your homeowners insurance can deny liability because of the modification. JMHO, YMMV
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Re: dumb electric question about gfci plug for intex

    Quote Originally Posted by Boujii View Post

    I would suggest having at least one GFCI in place when dealing with water.

    Yes, there will be at least one, my question is whether two together might negate something or make it hyper-sensitive and trip too easily. By your use of the phrase "at least one" may I infer then, that two are fine?
    Last edited by Pv2; 07-11-2015 at 12:22 PM. Reason: tipohs
    somewhere around 6,800 gal 18 x 4 foot round Intex Ultra Frame AG, finished filling August 29, 2013. toy pump w/ "A" cartridge up and running next day --- July 2015 upgraded to Krystal Clear 3000 GPH pump and 16" sand filter --- May 2016 Intex auto cleaner and in July salt system and Hayward skimmer

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    Mod Squad tim5055's Avatar
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    Re: dumb electric question about gfci plug for intex

    Quote Originally Posted by Pv2 View Post
    Yes, there will be at least one, my question is whether two together might negate something or make it hyper-sensitive and trip too easily. By your use of the phrase "at least one" may I infer then, that two are fine?
    yes, two will work.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Re: dumb electric question about gfci plug for intex

    Quote Originally Posted by tim5055 View Post
    While it is not a good idea to have duplicate GFCIs on a circuit, the main reason is to,avoid having to search to see which GFCI tripped when the power goes out. With a cord end GFCI plugged into a GFCI receptacle this is really not an issue.

    The National Electrical Code (if adopted in your area) requires outdoor receptacles to be protected by a GFCI. The NEC also requires a cord end GFCI for seasonal pools like your Intex. Just go ahead and use them like they are.

    It is never a good idea to cut off a cord end GFCI as it then looses the UL certification on the product. At that point should there be an accident, both the manufacturer and your homeowners insurance can deny liability because of the modification. JMHO, YMMV
    Thanks! So it won't hurt anything to leave it on and actually I SHOULD leave it on? Figures. Well that was done before I found this fabulous site and it would seem there was no harm done up to this point. No real homeowners insurance available out here, though we have "farm-wide" liability coverage.
    somewhere around 6,800 gal 18 x 4 foot round Intex Ultra Frame AG, finished filling August 29, 2013. toy pump w/ "A" cartridge up and running next day --- July 2015 upgraded to Krystal Clear 3000 GPH pump and 16" sand filter --- May 2016 Intex auto cleaner and in July salt system and Hayward skimmer

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    Mod Squad tim5055's Avatar
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    Re: dumb electric question about gfci plug for intex

    Yea, while many times those of us who are a little handy think - why the heck did they do that? when we purchase something, it is generally a,bad idea to modify something already put together as a system.

    But, sometimes you just have to "fix" something......
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    CeltiaK's Avatar
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    Re: dumb electric question about gfci plug for intex

    I had to remove my Intex pump GFCI - the redundant GFCIs repeatedly tripped my pump off. I have a SWG, and when it detects no flow, it turns itself off, often tripping it's own GFCI!

    From what I read here, a lot of Intex owners have this problem. A single wall GFCI is sufficient to protect you and your pump.

    Interestingly, I never had to remove my SWG GFCI. I have no idea why that redundancy is okay when redundancy on the pump is so problematic. Probably has to do with amp draw or something.
    Intex UltraFrame 18'x48" - 6700 gal as filled
    Intex Sand Filter Pump 2650 gph SF70110
    Intex SWG CS8110 (copper electrode removed)
    Hayward Dyna-Skim SP1091LX
    TF100 Test Kit from Day 1!

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    Re: dumb electric question about gfci plug for intex

    In my to be sold house for the above ground pool pump I have (hold on to your chair) 5 GFCIs. First the breaker, then three outlets in series in the three bathrooms, and then it goes outside to the pump's doghouse. Nuts! Not my idea. Always tripped the last bathroom's breaker, not the one it plugs into. And when it got serious last weekend, started tripping the breaker in the box. Stupid wiring, if you ask me. But...it works.

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    Piolin's Avatar
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    Re: dumb electric question about gfci plug for intex

    I have two and never had a problem,, good to know it's OK, thanks
    8,400 gal Intex, 3K GPH pump, 16" sand filter, SWG CG-28669, TF100 test kit, speed stir, K-1766 Taylor salt test.

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