2 Way Circuit Wiring Diagram
If you need to know how to wire a two way switch then this is the place to start.
2 way circuit wiring diagram. Let s assume the load you are controlling is a light. The power source comes from the fixture and then connects to the power terminal. By wiring a 2 way switch the circuit below shows the basic concept of electricity flow to the load. In the united kingdom some electricians use an alternative method for wiring two way switches as depicted in the above wiring diagram.
Say we are working on the light upstairs so we turn off the upstairs lighting circuit thinking we are safe wrong the live is picked up downstairs and there are still live conductors feeding the switch upstairs and if someone flipped the downstairs switch in this diagram that live feed would extend all the way to the lamp too you re fried. Uk two way switch wiring diagram. Wiring diagram for a two way switch wiring diagram is a simplified customary pictorial representation of an electrical circuit. As you can see in the schematic diagram of 2 way switch circuit below the common of both the switches are short circuited.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Interested in a 4 way switch wiring diagram. The first reason this is bad is on safety grounds. This method is commonly used now days as it is efficient than the two wire control system.
A 2 way switch wiring diagram with power feed from the switch light. The electrical symbol indicates where power enters the circuit. Two way switch lighting circuit diagrams. Old lighting circuit cable colours unharmonised new lighting circuit cable colours harmonised twin and earth cable current ratings.
Here is our selection of two way switch circuit diagrams. The next length of the twin earth cable will run from the light to the first two way switch. It shows the components of the circuit as simplified shapes and the capacity and signal connections amongst the devices. Do you need to know how a two way switch works before you check out the circuit diagrams.
This is the new method to make a 2 way switching connection as it is slightly different from the two wire control method. Two way switches and three way switches operate the same way and have the same connection points they just have different names in the uk which are common l1 and l2. This might seem intimidating but it does not have to be. Pin1 of both the switches are connected with the phase or live wire and pin2 of both the switches are connected with the one end of the lamp.
With these diagrams below it will take the guess work out of wiring. The first length of cable will be from the supply to the light. Two way light switching 3 wire system new harmonised cable colours showing switch and ceiling rose wiring. The first step is to wire up the light pendant.
Take a closer look at a 3 way switch wiring diagram. 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.