In this article, we will discuss how to draw a PV installation diagram and the protections that should be included, along with the symbols used to represent them. Get ready to become a pro at solar panel design! A good diagram. Lion Solar provide solar drafting and AutoCAD layout documentation for EPCs managing projects across multiple regulatory environments. Our drafting workflows adapt to local grid codes and engineering standards while ensuring build-ready DWG outputs., whether a rooftop in California, a commercial warehouse in Texas, or a ground-mounted farm in the Midwest, then the CAD drawings are your blueprint.