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Date: | Fri, 7 Jun 2013 11:58:20 -0400 |
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Michael,
I never use a GFCI or GFI with test equipment. That device is one of
the most misused pieces of equipment out there, it is designed to
interrupt power should an internal short occur. If you are using a
piece of electrical equipment that has a grounded case, or is double
insulated the ground is isolated or is housed in plastic the GFI, GFCI
is not necessary.
If you are using a ungrounded piece of equipment then the GFCI or GFI is
used to provide a circuit interruption should the neutral go to ground,
also beneficial if you are using equipment in or around water.
The exception to this is a piece of equipment O'scope or Hi-pot that you
are referencing to something other then ground.
So it depends on how you are referencing the hi-pot.
Personally I don't use them unless I am using equipment around water.
pat
On Fri, Jun 7, 2013 at 8:16 AM, Michael Strong wrote:
> Wondering if I can pick the brain of somebody out there. When
> performing
> Dielectric strength testing most of my failures are the result of a
> GFI. I
> can turn this feature off on my instrument and was wondering if most
> people
> who do this testing do the same. I know this is a safety feature but
> I'm
> trying to find a more standardized way of doing this test. What are
> the
> likely consequences of turning this feature off? Any advice would be
> appreciated.
>
>
>
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