Chalk Line to mark straight lines to the roof to align mounting rails along with other parts. Wire Strippers/Cutters are applied to prepare electrical wires by taking away insulation and cutting them to the right size. They may be required to make Secure and safe connections. Just before diving into https://www.americanarraysolar.com/what-to-expect-during-your-solar-panel-installation-with-american-array-solar/