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

User Dzhu
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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.
User Hakan Kiyar
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