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16-11-2016
Physics

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An electrical connection between an electrical circuit or equipment and the earth is called a

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TokioHotel TokioHotel

17-11-2016

I'd say ground. Voltage in the US is 110-120 volts while in other countries it is 220-240 volts. if you have a 110-120 volt appliance, you need a step-up transformer (110 to 220)before you could use it in a 220 volt power supply.

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