Connecting to photovoltaic combiner box

Mount the combiner box and secure it with four screws, as shown below. Use 4–10 mm2, 600 V insulated cables. Strip 8 mm of cable insulation. Ground the combiner box by connecting it to the inverter. [pdf]

Will photovoltaic panels be damaged if left exposed to the sun

Once a solar panel is left out in the sun for too long without a load, it can get damaged. There’s nowhere for the power to flow and, without a regulator, the current can overload the system. [pdf]
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