On Sun, 04 Nov 2012 09:56:01 -0500 Dan Penoff wrote:
> I would also add that backfeeding a distribution panel with a
> generator, even if you have an interlocking breaker, is inherently
> dangerous.
So you are saying Reliance Controls should not have made and sold me the
manual transfer panel, with interlocking breaker, I have installed at our
house?
Here's where I bought it; the Reliance Controls product page isn't
responding at the moment.
http://www.wayfair.com/Reliance-Controls-TWB-4-8-Circuit-200Amp-Transfer-Panel-Link-for-Generator-up-to-25000-Watt-TWB2010DR-RLC1055.html
> You may also negate the operation of GFI devices as well.
GFCI devices do not need a ground to work properly, nor are they
concerned about the potential on the neutral. They are only concerned
about the balance of current between the line and neutral wires.
> In a nutshell, don't do it. If you're so inclined, break out the
> circuits you want on the generator and isolate them with a knife switch
> or load rated disconnect. The backfeeding approach kills people. I
> have been an expert witness on more than one occasion to defend a
> generator manufacturer from litigation when people have done this and
> been killed. It's not pretty.
With a transfer panel, you are not backfeeding anything. In addition, our
electrical service is grounded at three points:
- the inside sub-panel installation that connects to the
copper water pipes in the old part of the house,
- the 50' long, separate, seamless tubing that supplies
water to the new part of our house, and,
- a ground rod at the outside transfer switch panel, which,
under UL certification, is suitable for service entrance
and may be used as a main panel or feed-through to a
sub-panel.
Craig
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