opti-solar Solar PV Pumping System, Installation And Operation Manual, Page: 10 / 21

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FIG. 2.10 Plugs of Inverter, 370W-4KW
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OPTI-Solar provides a certain amount of copper wires. If your installation
requires copper wires be extended by less than 100 meters, please make sure
any extended wires meet the specifications in the above table. If aluminum
wires are used, the diameter of aluminum wires needs to be twice as that of
copper wires. If the wires need to be extended by over 100 meters, please
consult our technicians.