How about Lightning Damage? [RE-wrenches]

[Joel Davidson]

Dear Kurt,
Thanks for the info. I'm guessing that lightning current flowed through
the module interconnect wires to zap the module flat wiring, but it
could have just as well be a lightning arc to the j-box screw.
Best regards,
Joel Davidson

sunwise at cheqnet.net wrote:
> 
> Joel Davidson wrote:
> >
> 
> > How about lightning damage to solar modules (not controllers, inverters
> > or batteries)? I have never had a solar module damaged by lightning.
> 
> Hey Joel,
> 
> I've only seen one instance and I'm working on this system at present.
> Three series strings of nine panels.  Only one panel in the middle of
> each series string was damaged.  The foil leads coming into the j-box
> from the cells were blowen off their connector lugs and the cover of
> each effected box had a deeply melted imprint of the wire that used to
> be connected to it (visable from/thru the outside of the box).  A lot of
> carbon in there too.  The other 26 panels were okay.  Go figure.
> 
> Kurt Nelson
> 
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