Chalk Line to mark straight traces on the roof to align mounting rails and other elements. Wire Strippers/Cutters are applied to prepare electrical wires by eliminating insulation and chopping them to the proper length. They are needed to make Secure and secure connections. Any time you've selected an installer, it's https://www.americanarraysolar.com/how-to-start-solar-energy-system-installation-with-a-california-solar-company/