In case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area. Explain why they do this.

 

Answer

The water used by the fireman may be conducting. Thus, It may cause electric shock to the fireman.

Therefore, to save himself from getting electric shock, he shuts down the electric supply for the area

 

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo