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, <[email protected]> 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: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: http://www.mail-archive.com/[email protected]. > 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
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