Did they torque the polaris terminals to the proper setting? I'd be willing to bet they didn't which is why they're failing.
On Thu, Apr 6, 2017 at 1:35 PM, <e...@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@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 > > > -- *Will White* Curriculum Developer [image: Inline image 3] e: w...@solarenergy.org w: www.solarenergy.org p: 802-272-3092 PV Installation Professional # 093006-34
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