I have never seen any bare ground wire with a UL stamp on it. The
braided strap we use is rated as 4 AWG. Its also tinned, so its more
corrosion resistant. Further, I think everyone (including your
inspector) needs to read 690.31(E); you'll see more flexible cables are
required on trackers. PV wire is acceptable.
-Ray
On 4/20/18 11:46 AM, Dana wrote:
Ray,
In Idaho if it does not have UL attached it is not acceptable. Personally I think this
would be just fine & a step up maybe with a WEEB top & bottom involved.
----------------------------------------------------------------------------
Dana Orzel Great Solar Works, Inc.
C - 208.721.7003 d...@solarwork.com
Idaho Contractor - # 028765 Idaho PV # 028374
NABCEP # 051112-136 www.solarwork.biz
"Responsible Technologies for Responsible People since 1988"
Please consider the environment before printing this email.
-----Original Message-----
From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> On Behalf Of Ray
Sent: Thursday, April 19, 2018 5:05 PM
To: re-wrenches@lists.re-wrenches.org
Subject: Re: [RE-wrenches] Looking for insulated #6 bare standoff
On tracking arrays, I have had both solid and stranded copper ground wire
strain harden and break. The cyclical motion will slowly work away at coarse
cables. I've even seen solid #6 break off on just a tilt adjustable array. I
now use a braided ground strap at least for the rack to pole ground connection.
This is the same strap that is used to ground generators and other moving
electrical equipment.
https://www.delcity.net/store/Ground-Straps/p_818655.h_818654
I isolate it at the connection to the aluminum with a sandwich of Stainless fender
washers and a 1/4" bolt with toothed lock washer to bite into the AL, or it also
works well folded in ground Lugs and buss bars. You can open up the weave of the braided
copper in the middle to get the 1/4" bolt through. I've checked these years later:
no corrosion, wire not broken off at the connector.
Ray
On 4/19/18 3:48 PM, Dana wrote:
The bare #8 is an EGC for #10 USE PV wire on the tracker to the array mounted
combiner box.
----------------------------------------------------------------------------
Dana Orzel Great Solar Works, Inc.
C - 208.721.7003 d...@solarwork.com
Idaho Contractor - # 028765 Idaho PV # 028374
NABCEP # 051112-136 www.solarwork.biz
"Responsible Technologies for Responsible People since 1988"
Please consider the environment before printing this email.
-----Original Message-----
From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> On
Behalf Of Hilton Dier
Sent: Thursday, April 19, 2018 3:39 PM
To: re-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] Looking for insulated #6 bare standoff
Would #8 meet code? I thought that exposed ground wire had to be #6 minimum.
Hilton Dier III
Renewable Energy Design
Missisquoi River Hydro LLC
_______________________________________________
List sponsored by Redwood Alliance
List Address: RE-wrenches@lists.re-wrenches.org
Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive:
http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist
.html
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out or update participant bios:
www.members.re-wrenches.org
_______________________________________________
List sponsored by Redwood Alliance
List Address: RE-wrenches@lists.re-wrenches.org
Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive:
http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist
.html
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out or update participant bios:
www.members.re-wrenches.org
_______________________________________________
List sponsored by Redwood Alliance
List Address: RE-wrenches@lists.re-wrenches.org
Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive:
http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out or update participant bios:
www.members.re-wrenches.org
_______________________________________________
List sponsored by Redwood Alliance
List Address: RE-wrenches@lists.re-wrenches.org
Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive:
http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out or update participant bios:
www.members.re-wrenches.org
_______________________________________________
List sponsored by Redwood Alliance
List Address: RE-wrenches@lists.re-wrenches.org
Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive:
http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out or update participant bios:
www.members.re-wrenches.org
