Done this too. Ended up not trusting the grounding on it and running
lay in lugs. It is hard to ground the pans, as they are thin metal.
I used a bolt/nut with a lay in lug with some sucess, (under the
cap). #6 bare used here too.
Blessings,
Kelly
Kelly Larson
Box 104
Piercy, CA 95587
707-223-3209
Electrical Engineer
NABCEP Certified Solar PV Installer
ISPQ Master Trainer
CA C-10 # 868189
solarke...@asis.com
"I'd put my money on the sun and solar energy. What a source of
power! I hope we don't have to wait until oil and coal run out before
we tackle that." ~ Thomas Edison
On Jan 3, 2011, at 2:44 PM, Darryl Thayer wrote:
When a local wrench did such an install, she grounded every module
using Weeb
lugs, with # 6 as both the equipment ground and the auxillary
ground, She
carried the equipment ground down to the inverter and the DC
grounding, the
auxillary ground to a ground rod.
She said working with the direct attachment took longer than a
typical rail
mount.
----- Original Message ----
From: Carl Adams <swingjun...@gmail.com>
To: RE-wrenches@lists.re-wrenches.org
Sent: Mon, January 3, 2011 2:28:59 PM
Subject: [RE-wrenches] Standing Seam with direct S-5 attachment &
Grounding
Wrenches,
In reviewing the archive I've seen multiple threads on S5 to module
attachment. I did not find any discussions on module grounding on
this type of installation or any requirements for grounding the metal
roof to which the modules are attached.
It has been suggested to me that each roof pan which has a module
attached should be grounded (perhaps under the ridge cap).
Can anyone offer suggested best practice or requirements regarding
this?
With Regards
Carl Adams
SunRock Solar
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