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| Earthing of an Electric Appliance |
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| Usually an electric appliance such as a heater, an iron, etc. are fitted with all the 3 wires namely live, neutral and earth. The earth wire is connected to the metallic body of the appliance. This is done to avoid accidental shock. Suppose due to some defect, the insulation of the live wire inside an electric iron is burnt then the live wire may touch the metallic body of the iron. |
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| Three Colors wire |
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| When the iron is in use, the metallic
body will also be increased to 110V. If we accidentally come in contact with
such a metallic body we are sure to get an electric shock. If the earth wire
is properly connected to the metallic body it protects us from an electric
shock. |
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