Control Light Switch Schematic Wiring Diagram. This is the new method to make a 2 way switch connection and it is slightly different from the two wire control method. Switch wiring using three wire control.
The l1 terminals of both the switches are connected to phase and l2 terminals of both the switches connected to one end of the bulb terminal and the other end of the bulb terminal are connected to neutral of the ac supply. Two way switching schematic wiring diagram 3 wire control m. Three wire cable between switches.
The two wire cable between the second switch and a light fixture.
This method is commonly used nowadays as it is efficient than the two wire control system. Suppose you want to off the bulb from the upper switch at top of stair upper portion of staircase simply switch off the switch then circuit will break and the bulb will be off. 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 might seem intimidating but it does not have to be.