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Larger industrial systems utilize 480 Volts (277 Volts line-to-neutral). Very large industrial plants may use 4160 Volts (2400 Volts line-to-neutral) or even higher ranges. A high voltage system will transmit a given amount of power at a lower current than a lower voltage system. This is important for many reasons, not the least of which is I2R losses (efficiency). ................
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