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Does 110vac more economical than 220vac?

Updated: 8/17/2019
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15y ago

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No. As the voltage drops you need higher current to transfer the same amount of power, and higher currents need thicker cables with more metal in them. And more metals means more money. Also, if you lose 2 V through resistance in cables, then that's proportionally bigger in a 110V system than in a 220V system.

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Q: Does 110vac more economical than 220vac?
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