How To Wire A Switch Diagram. The other terminal is marked as l1 and is the output to the light fixture. For simplicity the earth wire is not shown in the above diagram.
Wiring of a light switch is very simple and easy connection. The permanent live wire is wired into the switch and the switched live into the switched live terminal. This is cable c below one wire connects to l1 and the other to l2 on the top switch.
Red wire this wire is used for 3 or 4 way switches and will connect the switches together so they can each control your lights.
Step by step instructions on how to wire a switched outlet. Connect live or a hot wire to the common or black terminal of the first switch. 3 way switch wiring diagram nm cable a very common type of 3 way electrical diagram is when the power supply wire moves from one switch to the second switch and finally terminates at the fixture. Line diagram of a one way lighting circuit using in line method fig 1.