Question

earth wire has insulation of

Answer 1

Earth wire has insulation of metallic case so as to remove earthing.... ........ ............
@@@@@@@@@@

Answer 2

Hello there,

Earthing means to neutralise the earth. Because earth is a conductor of electricity, there are high chances that the current would travel through the earth into the human body.

Therefore it is important to earth the wires. They are insulated with metallic covering to differentiate them from the other wires which are covered in plastic.

I hope the answer is helpful.

Thanks for asking.