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. . Wire Management Directly Impacts System Economics: Proper wire management reduces LCOE through decreased O&M costs, higher system availability, and extended component life. Quality wire management systems can reduce installation labor by up to 30% through tool-free installation and pre-planned. . Is it ok for these wires under the panels (SE optimizers) to touch the shingles below? Not in Austin. Even outside of the city limits, we always keep the wires zipped. . Use of standard grades of plastic wire ties is by far the most common method used by installers to support and secure direct current (DC) string wiring in an array. This practice is especially important for the installation of PV systems given the variety of harsh environments that PV systems are installed in.
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