Arc Flash caused by sudden electrical discharges, which can result in severe burns or fires. Short Circuits that overload components and may trigger fires or equipment damage. Ground Faults where unintended paths for current cause sparks or shocks.
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Even disconnecting from the grid, the panels can produce high DC voltages that pose electrocution risks during installation, maintenance, or damage. Faulty wiring, loose connections, or damaged components can cause arc faults—sparks that may ignite fires.
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Ventilation fans and water pumps alone need 2-4 x 400W panels. Electric heating pushes the requirement to 8-15+ panels -- but heating a greenhouse with PV-generated electricity is rarely the right approach.
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You might see solar panel damage if you spot cracks, hotspots, or color changes on your system.
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