I thought sharing the guide to solar photovoltaic design and installation manual published by the California Energy Commission (CEC) would be helpful to you to understand the details behind solar electric systems. The guide does a good job starting from the basics and even includes example single line diagrams of how a solar electric system would interface with a home.
Towards the end of the PDF file there is a nice table that helps you determine the optimal wire size needed to minimize voltage drop. I figured since many people call us that want to learn all the details about solar power, this would be a good starting point. What do you think about the free guide to photovoltaic design and installation by the CEC?
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