Two Way Switching Wiring Diagram. If you look inside an existing wired in two. In the second diagram the two pickups are wired in series.
Between each switch box and the next the travelers will both be contained in the same cable with each other. Its called the carter system other names are also used. But here you see a diagram of the layout of 3 way switch wiring and what goes on inside the switches.
Power is fed to the circuit in the same way however the lamp is.
The electricity flows from the hot wire black through the 2 way switch shown in off position and then to the light and returns through the neutral wire white. Here we have a three way switching lighting circuit sometimes called two way switching with intermediate. In the second diagram the two pickups are wired in series. A commonc l1 and l2.