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SureTest Not Tripping GFCI


Jerry Simon
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Hello Jerry:

On page 13 of the Sure Test manual it states "NOTE: the SureTest will not allow the GFCI test if a no ground condition exists. Repair the ground circuit before testing."

I believe that you can install a GFCI on an old two wire circuit and the internal button will trip the GFCI.

Perhaps a bad ground (although you would think the SureTest would show a bad ground)?

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Originally posted by Terence McCann

Hello Jerry:

On page 13 of the Sure Test manual it states "NOTE: the SureTest will not allow the GFCI test if a no ground condition exists. Repair the ground circuit before testing."

I believe that you can install a GFCI on an old two wire circuit and the internal button will trip the GFCI.

Perhaps a bad ground (although you would think the SureTest would show a bad ground)?

Hello Terry...

You raise an interesting point...MOST of the three-prong receptacles in this home were not grounded (a recently remodeled home). But I checked the GFCI's diligently, and they showed proper grounding, proper wiring, etc. using the SureTest. No false ground, no missing grounding...but comments made about SureTest not tripping GFCI because of lack of grounding (or poor grounding), regardless of SureTest other readings, make most sense. Thanks.

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