[RE-wrenches] Polaris gone bad?

Kristopher Schmid solman at legacysolar.com
Thu Apr 6 10:57:18 PDT 2017


Hi Eric,

I had this happen on one install.  I assumed that it was due to
insufficient terminal torque.  I use the Polaris torque specs and my
torqueing screwdriver now on all Polaris connectors and have not had any
more issues (yet).

Kris

On Thu, Apr 6, 2017 at 12:35 PM, <eric at harvesthesun.com> wrote:

> Wrenches,
>
> We have been having Polaris connectors start to fail on older installs.
> About 4 or 5 years ago we abandoned wire nuts in favor of the much more
> pricey, but deemed safer Polaris insulated tap connectors in our combiners.
> About a year ago we transitioned, about 80% away from Polaris to Buchannon
> connectors. We have had two recent call-backs on systems downed due to
> Polaris connectors burning up inside of boxes. (No damage beyond the
> connector itself). Recently we interfaced with another solar install firm
> that has gone back to wire nuts due to this same problem. Anyone else
> seeing this? Wondering if this is an industry-wide issue regarding a
> Polaris manufacturing defect or if we're still in the realm of isolated
> flukes.
>
> Eric
> SunHarvest
> (530) 559-5023
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> List Address: RE-wrenches at 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
>
>
>


-- 
Shine On!

Kris Schmid
Legacy Solar, LLC
864 Clam Falls Trail
Frederic, WI 54837
www.legacysolar.com
715-653-4295
NABCEP Certified PV Installer
Licensed Wisconsin Master Electrician
BSEE
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20170406/4bf1a362/attachment-0002.html>


More information about the RE-wrenches mailing list