To avoid this, use a rosin flux on the wire strands you solder together. Keep the tip of your ... of plastic sheathing from each end of the two wires, using a wire stripper. Make sure to not ...

The most secure and durable way to splice two wires together is to solder them. Period. Use nothing but 60-40 rosin-core solder intended for electrical wiring. You'll also need some PVC shrink tube.

The solder has flowed into the wires when the metal ring shrinks, and you can see a little silver in the bare wire. The connector is slipped over one of the wires to be spliced together and then ...

That said, shrink-wrapping the soldered connection and then supporting it with at least two tie wraps ... it easy to see the wires and ­connections for ­maintenance and ­troubleshooting when ­required ...

For our purposes, we're going to go with the style of banana plugs that you don't have to solder ... two wires. Different types of speaker wire, like the wire we're using, comes joined together.