This enamel acts as an electrical insulator ... then push the tip of the magnet wire a small distance into the molten solder and hold it there for a few moments. The enamel will bubble away ...

A typical way to make a reliable electrical connection to aluminum is to use a screw and a wire, but [Ted] shows ... Aluminum doesn’t solder well, and that’s because of the oxide layer that ...

They're the colorful, twist-on connectors that join two or more electrical wires ... the invention of the twist-on wire nut, electricians joined wires with solder and tape. It was messy ...