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Ground fault outlet didn't trip <Frank> 06-14-2008
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Posted by on June 14, 2008, 12:21 pm
Did some wet diamond grinding with my electric angle grinder (double
insulated) on a concrete walkway in the backyard. Felt a tingle on my hand
but the GFCI outlet didn't trip, must be too low of a fault current.



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Posted by Pete C. on June 14, 2008, 12:30 pm

Frank wrote:
>
> Did some wet diamond grinding with my electric angle grinder (double
> insulated) on a concrete walkway in the backyard. Felt a tingle on my hand
> but the GFCI outlet didn't trip, must be too low of a fault current.

Tingle more likely nerve issues from grinder vibrations than electric.

Posted by Kevin Ricks on June 14, 2008, 12:43 pm
Frank wrote:
> Did some wet diamond grinding with my electric angle grinder (double
> insulated) on a concrete walkway in the backyard. Felt a tingle on my hand
> but the GFCI outlet didn't trip, must be too low of a fault current.
>
>

If you felt it then you may have bad or mis-wired GFCI.

Note that if the path of current is from hot wire -through you- and then
back to the neutral wire, (not ground) then you will be shocked all day
long.. until the cows come home..... The GFCI does not know you from a
light bulb or any other load.

Kevin



Posted by Red Green on June 15, 2008, 1:15 am

> Frank wrote:
>> Did some wet diamond grinding with my electric angle grinder (double
>> insulated) on a concrete walkway in the backyard. Felt a tingle on my
>> hand but the GFCI outlet didn't trip, must be too low of a fault
>> current.
>>
>>
>
> If you felt it then you may have bad or mis-wired GFCI.
>
> Note that if the path of current is from hot wire -through you- and
> then back to the neutral wire, (not ground) then you will be shocked
> all day long.. until the cows come home..... The GFCI does not know
> you from a light bulb or any other load.
>
> Kevin
>
>

Just a note. I recently bought some (Leviton I think) GFCI's. They will
not even reset if it's miswired.

Posted by RBM on June 14, 2008, 12:46 pm

<Frank> wrote in message
> Did some wet diamond grinding with my electric angle grinder (double
> insulated) on a concrete walkway in the backyard. Felt a tingle on my hand
> but the GFCI outlet didn't trip, must be too low of a fault current.

If you felt a tingle from the grinder, and it wasn't as Pete c described,
you have a defective GFCI
>
>



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