Are you saying each module has, for example, a positive factory H4 lead and a negative factory MC4 lead?
I definitely know of H4 problems, both mated with H4s and mismatched. Brian Mehalic NABCEP Certified Solar PV Installation Professionalā¢ R031508-59 National Electrical CodeĀ® CMP-4 Member (520) 204-6639 Solar Energy International http://www.solarenergy.org SEI Professional Services http://www.seisolarpros.com On Wed, Sep 4, 2019 at 1:22 PM Kent Osterberg <k...@coveoregon.com> wrote: > I've recently been looking for the cause of random power drop offs to > zero in an Enphase M215 system with LG260 PV module that was installed > in 2013. Just one inverter in a system of fourteen has been doing this. > Enphase suggested moving the inverter to a different PV module and sure > enough doing that proved the problem wasn't with the inverter. > Intermittent zero output was being caused by the PV module. In making > the inverter/module change I found that all the LG 260 modules in this > system have one MC4 connector and one H4 connector. At present I'm > convinced the mismatched connector is the actual cause of the problem. > Anyone else ever notice find PV modules with mixed MC4 and H4 connectors? > > Kent Osterberg > Blue Mountain Solar > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > >
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