3 Light Switch Wiring Diagram. All three switches are connected together by a three core and earth control cable. All three switches are connected together by a three core and earth control cable.
Wire a switched outlet. Usually the third wire passes the middle intermediate switch but is joined in a separate terminal block. 3 way switch wiring diagram.
From this post you complete learn about light switch wiring with a simple diagram and video tutorial in english language.
The electricity source and light are in between switches. I have detailed quite extensively why a two wire control system can be problematic in the article 2 way switch with 2 wire control. This might seem intimidating but it does not have to be. And this will be complete guide of wiring a light switch.