Two Way Wiring Diagram For Light Switch. The source is at sw1 and 2 wire cable runs from there to the fixtures. Let s assume the load you are controlling is a light.
2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching. This method is commonly used nowadays as it is efficient than the two wire control system. Do you need to know how a two way switch works before you check out the circuit diagrams.
You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light.
To switch from two locations youll need 2 two way switches and wire them together in a particular way. Let s assume the load you are controlling is a light. This is a completed circuit. Cable d fig 2 is a three core and earth this is the 3 wire control that links the two light switches together.
