What Is The Red Wire In A Light Switch - Web if the switch controls a ceiling fan or the light on a fan, it may be red or blue. The colors don’t matter in a single pole switch. It's usually black, but it can be red in some. The load wire connects the light switch to the fixture.
The load wire connects the light switch to the fixture. It's usually black, but it can be red in some. The colors don’t matter in a single pole switch. Web if the switch controls a ceiling fan or the light on a fan, it may be red or blue.