in case of a fire before the firemen use the water horse says they shut off the main electrical supply of the area explain why they do this
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Explanation:
because the electricity is a good conductor of water there fore they can get electric shocks so the off the electric supply
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Answer:-
The water used in the water hoses is not pure water and is a good conductor of electricity. So, the fire¬men shut off the electric supply before spraying water to save themselves and other people from electrocution.
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