Why does the US use 110v and the UK use 220v?

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Why does the US use 110v and the UK use 220v?

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9 Answers

Anonymous 0 Comments

220v is less costly for power companies. More costly for individual devices as each plugged in device has to step down from 220v to needed voltage (think phone charger, radio etc). Less of an issue today with switch mode power supplies.

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