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In a residence the standard voltage runs between 110 and 120 Volts. Since there are two such sources of voltage you can combine the hots side of each and you'll get voltages between 220 and 240 volts (Doubling the standard). Appliances will typically run fine between 220 and 240 so you shouldn't have a problem.

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13y ago
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10y ago

A change from 220 to 240 volts is not needed. These two individual voltages fall within the limits that utility companies have imposed on them to maintain a voltage at a certain level. In North America it is usually plus or minus 5% from a basic 230 volts. 230 + %5 = 241 and 230 - 5% = 218 volts so you can see these two voltages are within the allowed range.

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Q: How do you change 240V to 220V?
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