In case of fire before the fireman and use the water hoses,they shut off the mean electrical supply of the area .Explain why they do this?
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In case of FIRE the fireman shuts the main electricity supply because electricity is a bad conductor of electricity .
If he does so the FIREman or the people in surrounding will get shock
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Answer:
The water used in water hoses is good conductor of electricity. Firemen shut off the main electrical supply, because if the supply of electricity continues this may be high risk of electrocution due to water.
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