GFI Testing

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  #1  
Old 11-07-13, 06:29 PM
Gen
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Question GFI Testing

Hello,

On the home inspection, the bathroom GFCI outlet will trip via its test/reset buttons. But we can't get it to trip using a plug in GFCI tester.

I verified correct wiring--line/load and correct hot/neutral polarity. There's no ground and understand GFI's don't need it.

--We tried 2 diff new outlets, no luck.
--We tried taking the load wires off, just connecting the line to the GFI, no luck.

The plug in tester still won't trip it. Can anyone tell me what the problem is?

Thanks in advance
 
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Old 11-07-13, 06:45 PM
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The tester probably only works on a grounded circuit.
 
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Old 11-07-13, 07:10 PM
Gen
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Yup you're right! Is there a GFCI tester out there that works without a ground?
 
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Old 11-07-13, 07:12 PM
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GFCI Tester

As far as I know a GFCI tester requires a ground in order to work. On a non-grounded GFCI receptacle the test button will work, the field tester will not. In addition if the receptacles are replacements your ok, but you cannot add receptacles to the non-grounded circuit, any new receptacles would require the proper grounding. The GFCI receptacles you have installed are required to be marked "No Equipment Ground". The requirements are in Article 406.3(D) of the NEC.
 
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Old 11-07-13, 07:27 PM
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Yes I know about the labeling, but I seem to be the only one who does this. Incredibly, I've never seen them anywhere, unless I've put them on. --Including the downstream plugs on the GFI load side.
 
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