Question

Why it is advised to clean the ends of connecting wires before connecting them?

Answer 1

hey your answer here.

We should clean the wire ends before connecting it to the electrical circuit to remove their insulation if any and to remove rust, dust etc. which may resist the flow of current. so it is advisable to clean and connect so that current can flow properly.

I hope it helps

Answer 2

it's just to remove the insulation from the ends of the wires to let a smooth flow of current.....

hope it helps..