Question

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

Answer 1

Answer:

Why they shut electricity

Explanation: cause

Water have a great conductivity so through water electricity can pass.

So before, use of water in fire estingush they shut or break all electrical curcuits

Answer 2

Hello Friend,

I hope You understand this

Answer:

In case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area because water sprayed from the hose might conduct electricity which may come in contact with the electrical appliances which increases the chance of electricity passing through wire. This may hurt the fireman.