Intermediate switch an intermediate switch is a three way light switch. Construction working of intermediate switch.
Sr 1940 Wiring Diagram For 3 Way Switch With Light Free Diagram
2 way and intermediate switch diagram. Notice the black wire is the only wire that we are controlling through the 2 way switch. Two way switch diagram. It is used when you have three or more switches controlling one light the middle switch needs to be an intermediate light. The four terminals of intermediate switch construction and its operation are shown in fig below. This is the new method to make a 2 way switching connection as it is slightly different from the two wire control method. Where 0 represents the off condition and 1 represents the on condition.
As a part of the am2 exam you will have to wire up a 2 way and intermediate lighting circuit with one light. You would just continue from one 3 way switch box with the 143 three conductor cable two colored traveler wires a white neutral and a bare or green ground wire in and out of each four way switch box. How to connect 2 way switch wiring using three wire control. In an intermediate switch there are four terminals by which it changes the flowing of electric current from one circuit to another see fig 1 2 and also known as three way switchit has the ability to on and off the electric supply by two ways. In some countries the four way is called an intermediate switch. An intermediate switch can however be implemented by adding appropriate external wiring to an ordinary six terminal dpdt switch or by using a separate dpdt relay.
To wire a three way lighting circuit you will need 2 two way switches and an intermediate switch. This video also shows how an intermediate switch works. The power source comes from the fixture and then connects to the power terminal. By connecting one or more 4 way intermediate switches in line with 3 way switches at either end the load can be controlled from three or more locations. And so onto the intermediate switch. In a previous video i showed how a two way.
The white wires get spliced through. You have an incoming hot wire black going to one screw it does not matter if you use the brass or silver screw on the side of the 2 way switch and a black wire from the other screw on the 2 way switch going to the load light ceiling fan etc. That is when you have three switches controlling one light then the middle one needs to be an. This method is commonly used now days as it is efficient than the two wire control system. Follow this link if you are looking for a comprehensive step by step guide on two way and intermediate lighting circuit wiring. This is a very versatile switch and can be used for most lighting situations but in reality it is more expensive so you would normally only use it when needed.
There is more than one way to do this depending of the type of cable available and on the installation requirements. Otherwise continue with the am2 exam guide. A 2 way switch wiring diagram with power feed from the switch light. 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.