Those individual GTIs are the way to go, if you are going to have snow or leaves up on the PV.
We had a bunch of leafs sticking on the backyard PV today.. (serial hookup).
But I had too many other problems, and just forgot all about the PV..
Those arrays are so low, I can use a standard old push broom..
The rain storm caused us to get some unexpected problems..
When you get old, your trouble shooting skills go to pot..
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My hobby is installing & trying to repair mini-splits
EPA 608 Type 1 Technician Certification ~ 5 lbs or less..
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