Switch Wiring Diagram Light. The neutrals are connected together using a terminal connector. Two way switching means you can switch the same light fixture from two switches that are located in different sides of a room.
The light switch has three wires. As a homeowner you will likely need to replace a light switch many times and paying an electrician is not optimal when you can do it in just a few minutes. The electricity source and light fixture are connected to the same switch.
When l1 is off l2 would be on.
The source is at sw1 and 2 wire cable runs from there to the fixtures. The switch simply cuts off the live current. The switch wires are added as shown in the ceiling rose diagram above and connected to the switch also as shown. A two way switch has 3 terminals.