My 2 cents here is that this is flash irradiance damage. As there appear to be no "burn" marks on the module frames right?
Jay peltz power On Sep 7, 2012, at 9:29 AM, <d...@foxfire-energy.com> wrote: > I've seen it twice. both were DP&W pole Mounts. the first time the whole > array was involved (this was a few years ago). At the time, we thought it > might be a disgruntled employee because no one had ever heard of such damage. > I think we used box lugs and star washers on each module back then). the > second just a few weeks ago. this time it seemed totally random affecting > about 30% in different strings. Seems back in the broadcast industry we > viewed lightening strikes as "Acts of God", and focused more on repair than > the "whys". We install as per manufacturer's spec and NEC, and cross our > fingers.. But when the Good Lord comes knocking, all bets are off. I remember > pulling onto a job site once and found 80 lb chunks of chimney/ fireplace > some 150ft down the driveway. Yes, the house did have lightening rods. Good > Luck. db > > > Dan Brown > Foxfire Energy Corp. > Renewable Energy Systems > (802)-483-2564 > www.Foxfire-Energy.com > NABCEP #092907-44 > >
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