3 Wire Light Switch Wiring Diagram. Ensure the copper core s of the cable is fitted in the terminals. It is a modern way of wiring which reduces breaks in the cable and makes the work much easier and faster.
Wiring of a light switch is very simple and easy connection. Com on the first switch connects to com on the second switch l1 on the first switch connects to l1 on the second and l2 on the first switch connects to l2 on the second. If you are adding wiring for a three way light switch then use the 3 wire control system.
Two lights between 3 way switches with the power feed via one of the 2 lights one switch diagram switches 2 lights line in through two lights.
This is cable c below one wire connects to l1 and the other to l2 on the top switch. This wiring diagram helps you understand the type of cables you will require for this configuration. Before we get to wiring diagrams here is how the 3 way switch terminals are color coded. All three switches are connected together by a three core and earth control cable.