Watch as skilled workers use advanced technology to produce wires that power homes and industries. This detailed journey ...

The wires inside are made of a metal called copper.. The parts of an electrical circuit are joined by metal wires. You must never touch a bare wire as it could give you an electric shock which can ...

the outside of electric wires are usually covered in plastic because it’s a very poor conductor. It hardly conducts any electricity at all, so we can say it’s an electrical insulator. Inside ...