[RE-wrenches] Polaris gone bad?

[Will White]

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, <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
>
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-- 
*Will White*
Curriculum Developer

[image: Inline image 3]

e: will at solarenergy.org
w: www.solarenergy.org
p: 802-272-3092

PV Installation Professional
# 093006-34
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