Question

Why is it necessary to earth electric appliance of metal body?

Answer 1

Explanation:

Because metallic wire (if any wire inside them is touching the body) can produce electricity to the hole body, which is unsafe for us. so it is important to earth electrical appliances with metallic body so that the current go to the earth and do not hit us.

Answer 2

Explanation:

Because if a person touching it will get a fatal shock because current flow through his body to the earth but if the metallic case of appliance is properly Earth and then as soon they live wire come in contact with the metallic case of the appliance a heavy current flow to the earth through the case of appliance and the fuse connected in the circuit of appliance blow off and the appliance get disconnected does the person touching the defeat appliance not get any shock and appliances also safe from being damage .

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