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Old 03-06-2005, 02:21 PM   #1
TomK2
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Ground Fault Interupt plugs (GFI) Life Savers?

I had to turn off my fish tank circuit and open up the electric boxes to add a new plug about 6 feet away for a new [acronym:67330f6b63="quarantine or quart depending on context"]QT[/acronym:67330f6b63]/breeding setup. So I added some GFI plugs. We all know that GFI can be a life saver, but in the directions its specifically states "Do not plug in any life saving devices to this circuit after installing!"

Well, my filters and heaters ARE life saving devices! ????
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Old 03-06-2005, 02:25 PM   #2
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Re: Ground Fault Interupt plugs (GFI) Life Savers?

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Originally Posted by TomK2
Well, my filters and heaters ARE life saving devices! ????
Hmmm...sort of a conumdrum eh?

I believe the principle of the GFI is based on major appliances (A/C's. Electric Heaters, etc.).

I wouldn't plug anything "lifesaving" into one, including the "First Alert" medical system.
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Old 03-06-2005, 03:51 PM   #3
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Quote:
Hmmm...sort of a conumdrum eh?
yeah. I know there have been other threads on the reliability of GFI's. I only had one fail once, when a transformer fire caused all kinds of on/off/surges.

If it does fail, bet it happens on my two week vacation this summer
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Old 03-06-2005, 09:31 PM   #4
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GFI's don't really "fail" when it cuts out with a dangerous voltage/current/spike. It is supposed to do that ... otherwise, the surge will fry your equipment or your fish.

I've had only one failure in my many GFI's outdoors. This one just got stuck in the "OFF" position & cannot be reset ... nothing was plugged in at the time so I think this is a true mechanical/electronic failure.

On balance I'd take the small chance that fishies may suffer with the equipment cutting off rather than risk an electrical shock to people or fish.
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Old 03-06-2005, 09:49 PM   #5
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Quote:
GFI's don't really "fail" when it cuts out with a dangerous voltage/current/spike. It is supposed to do that ... otherwise, the surge will fry your equipment or your fish.
So there is some surge protection with a GFI? I didn't know that. Ever have one trip, then you reset it without anything changed, and it works without problem? I have had this happen on kitchen circuits, but no a tank circuit. Wonder what causes that.

Overall, I agree with you, otherwise I wouldn't have put them in. Guess I just need a little reassurance
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