A two way switch can also be wired in such a way that it can be used as a one way switch mostly the price difference is negligible. Follow this link if you are looking for a comprehensive step by step guide on two way and intermediate lighting circuit wiring.
2 Way Switching Diywiki
2 way and intermediate switch wiring. The four terminals of intermediate switch construction and its operation are shown in fig below. Four way switch wiring instructions inside the switch packaging it is possible to bring all of the wiring into the ceiling light electrical box and wire your 3 ways and 4 ways from there. As a part of the am2 exam you will have to wire up a 2 way and intermediate lighting circuit with one light. It can get crowded with so many wires in the ceiling box so you must use a larger size electrical box to be code compliant. The diagram shows the common method of wiring an intermediate switch into a two way light switch circuit. Where 0 represents the off condition and 1 represents the on condition.
If replacing an existing switch note the location of the terminals and the colour and position of cable connections. How to connect 2 way switch wiring using three wire control. This method is commonly used now days as it is efficient than the two wire control system. Often people order an intermediate switch to do the job of a two way switch although it will work it may be far more expensive to purchase an intermediate switch instead of a two way switch. This allows a single light to be turned on or off from any of the switches. 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.
Intermediate switches can be used for 1 and 2 way switching. This page shows it wired in the old cable colours if your house has the new colours you want to go here. There is more than one way to do this depending of the type of cable available and on the installation requirements. Here we have a 3 way switching lighting circuit sometimes called two way switching with intermediate. This is the new method to make a 2 way switching connection as it is slightly different from the two wire control method. Construction working of intermediate switch.
Otherwise continue with the am2 exam guide.
Gallery of 2 Way And Intermediate Switch Wiring
