Just what is the yellow wire in electrical wiring anyway?
If you've ever opened up a junction box and felt a bit stumped, you're likely asking what is the yellow wire in electrical wiring and whether you should be worried about touching it. It's definitely not as common as the standard black, white, or green wires we see everywhere, which is exactly why it tends to make DIYers pause. While it's not some "mystery" wire used for secret high-voltage projects, it does have a very specific job that distinguishes it from the basic power lines in your home. ...