The "Twisted Pair" is a technology used in almost every electronic device. It is especially important for audio, video, and network cables. Have you ever wondered why wires are twisted together? In this video, you'll learn the science behind twisted pair wiring. I'll explain how twisted pairs work and show you an experiment that will help you to see and hear the difference it makes. The tool I use in this video is a cable tracer. It is very useful for troubleshooting. These tools allow you to hear the signal on a wire by holding the wand in proximity to the wire.