Friends:
I thought I had sent a message about this to the list but I believe not. My apologies if this is a repeat. We have been having trouble with corrosion on an installation on a beachfront residence. Here is a link <http://www.millersolar.com/MillerSolar/case_studies/marine_corrosion/Marine_corrosion.html> to a page I wrote about this problem. I am not a metallurgist, but I am thinking the problem is exacerbated by circulating currents. PV leakage is unavoidable. The currents will migrate to the metallic frames. When the frames come into contact with any other energized or bonded metal, electrolysis results. Regardless of the exact cause, metal is the affected material. I am wondering if the best practice would be to eliminate as much as possible any metallic components. This would mean plastic framed modules and plastic racking. I can source fiberglass strut easily. What I am looking for is plastic framed PV modules. Do any of you know of a manufacturer or distributor of such? Thanks in advance. William [image: Gradient Cap_mini] Lic 773985 millersolar.com <http://www.millersolar.com/> 805-438-5600
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