Gridtie, breaking grounded conductor [RE-wrenches]

[mlafferty at universalenergies.com]

Bill B said:

> Just to clarify, at the bottom of your post you mention a shorting
jumper.
> I think you are referring to a grounding jumper, and I would only
recommend
> that if you are talking about a small residential system. Shorting a
PV array
> with anything but a fully rated disconnect on a bigger PV system can
be
> dangerous.

> Bottom line is if you don't know what you are doing--don't do it.

Bill / All:

I concur... Strongly.  Thanks for pointing out my obvious
tunnel-vision-thinking-of-a-small-system here!  The only thing I might
add to Bill's comment above is: "anything but a fully rated disconnect
on a bigger PV system can be VERY dangerous."

This stuff ain't no joke!  Watts is watts.  It's alive and you can't see
it without your test equipment... In working order, in the right place,
and knowing what you expect to see vs. what you actually see in the
display.

If you don't know what you are doing--don't do it.

Thanks Bill, 

Matt Lafferty
Universal Energies Institute
mlafferty at universalenergies.com
(916) 422-9772
(916) 628-7694 Cell
(916) 914-2247 Fax
www.universalenergies.com

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