Chalk Line To mark straight traces around the roof to align mounting rails as well as other parts. Wire Strippers/Cutters are applied to get ready electrical wires by getting rid of insulation and slicing them to the proper length. They are really required to make Protected and protected connections. Prior https://www.americanarraysolar.com/reliable-heat-pump-installation-services-in-california-save-up-to-30-on-energy-bills/