Articles about switch for light fixture
How do I wire the new switch using power from the existing power line to turn on and off the new ceiling light? Wiring a New Switch from an Existing Power Source.
Replacing a Rotary Switch for a Three Level Light Fixture – The light fixture that you are describing uses what is called a Rotary – Three Way switch. This type of rotary three way switch is used in a variety of light fixtures that have three levels of lighting.