PV Rack on Slate Roof? [RE-wrenches]

[Steve Willey - Backwoods Solar Electric]

I wonder what folks are thinking about the PV ground fault interrupters.
Trace seems to have one code accepted for power room installation, yet we
have had no requests for this even for systems installed in tightly enforced
areas.  Mostly perhaps because people are favoring ground mounts over roof,
nevertheless we have had NO requests at all from electricians.  Question is,
what is the future of this or like devices and what shall we do with
stocking and cataloging it in this coming year?

Steve Willey   www.backwoodssolar.com
Backwoods Solar Electric Systems
A catalog business on a mountain
2 miles from utility lines,
powered entirely by our catalog products.
IF UTILITY POWER IS 1/2 MILE OR MORE FROM YOUR SITE,
get our free 160 page solar-electric Planning Guide/Catalog.
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Phone(208)263-4290  Fax (208) 265-4788  in Idaho, USA


----- Original Message -----
From: Kurt Nelson <sunwise at win.bright.net>
To: <RE-wrenches at topica.com>
Sent: Friday, December 03, 1999 8:01 AM
Subject: Re: PV Rack on Slate Roof? [RE-wrenches]


> Hey Jason,
>
> Do you really need to go roof mounted?  Roof mounts can be problematic in
> general and by code require the addition of a GFI device.  If you need the
> hight, a top of pole mount or tracker can gain additional support by
> attaching to the eve at the peak of the roof and is cemented in the ground
> at the base alongside the house.  Also, south wall mounted PV's work well,
> and although there can be some sun lost during the summer months, most
> systems need all the gain they can get during the winter months, and the
> wall mounted panels preform fine at that time.  My home has seasonally
> adjusted wall mounted pv's and I'm pretty happy with the set-up.  The
house
> is two story and the PV's are above the first story windows and provide
> shading to those windows from the high summer sun.  During the winter,
when
> the panels are lowered, the sun enters the passive solar windows making
the
> arrangement nearly perfect.  If you don't need the hight (good solar
> window), a pole mount within reasonable distance from the house is a good
> choice and limits your liabilailty cause you aren't drilling so many holes
> in the house and roof.  Good luck -- Kurt Nelson, SOLutions
>
> At 02:34 PM 12/1/99 -0800, you wrote:
> >Hello Comrades,
> >
> >Just a quick question, anyone got any tips for mounting a PV rack
> >(simple, four foot type) to a slate roof?  This is a new one for me, and
> >I'm not too excited about it!
> >
> >--
> >Jason Fisher
> >
> >Aurora Energy
> >86 Conduit St.
> >Annapolis, MD 21401
> >USA
> >
> >Voice/ Fax: 410-268-3088
> >email: aurora at toad.net
> >
> >
> >
> >
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