For solar panel installation, use PV-rated wire. These cables are designed to handle high voltage and UV exposure. Don't use indoor wire or plain extension cords. . Solar wire management is the systematic practice of properly routing, organizing, supporting, and protecting electrical wiring in photovoltaic (PV) systems. This critical aspect of solar installation directly impacts system safety, performance, and longevity while ensuring compliance with National. . Still, hiding solar panel wiring requires some planning. Here are smart concealment options: Roof Conduit Runs: Use UV-resistant conduits mounted along the roof. . Solar Photovoltaic (PV) systems are complex electrical installations requiring wires with different gauges (thickness), materials for the conductor, core type, and insulation. Learning how to wire solar panels requires learning key concepts, choosing the right inverter, planning the configuration for the system, learning how to do the wiring, and more.