Jan 13, 2021 · Electric Slides. Now here's where it gets interesting. For the most part, solenoid wires come wrapped around a metal rod. (The word "solenoid" is a derivative of the Greek word sōlēnoeidēs, which means "pipeshaped."). When the wire receives an electric current, this piece of metal will become attracted to — and get pulled toward — one end of the solenoid.