2 way switching means having two or more switches in different locations to control one lampthey are wired so that operation of either switch will control the light. 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.
Resources
Two way intermediate lighting wiring diagram. Switches are shown as dotted rectangles. Line diagram of a two way lighting circuit using junction boxes fig 1. The four terminals of intermediate switch construction and its operation are shown in fig below. These diagrams show various methods of one two and multiple way switching. The most basic circuit with only two wires at the switch. Otherwise continue with the am2 exam guide.
Two way lighting circuit using three core earth cable. Earth wires are not shown. Video explains the connection required within two way and intermediate switches. By wiring a 2 way switch the circuit below shows the basic concept of electricity flow to the load. 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. This arrangement is often found in stairways with one switch upstairs and one switch downstairs or in long hallways with a switch at either end.
Lets assume the load you are controlling is a light. Three way switching old cable colours. This video also shows how an intermediate switch works. Explanation of above picture. In a previous video i showed how a two way. Two way switching is the most common requirement for many household and commercial lighting solutions.
There is more than one way to do this depending of the type of cable available and on the installation requirements. The junction box should be wired as shown below. Student training aid for the connections required to wire two way and two way and intermediate switching. Whether it is the switching of a light from two different places inside a domestic dwelling or switching a series of lights in a commercial environment two way lighting circuits provide a cost effective and easy solution. This allows a single light to be turned on or off from any of the switchesthis page shows it wired in the new cable colours if your house has the old colours you want to go here. L and n indicate the supply.
Here we have a 3 way switching lighting circuit sometimes called two way switching with intermediate. Follow this link if you are looking for a comprehensive step by step guide on two way and intermediate lighting circuit wiring. As a part of the am2 exam you will have to wire up a 2 way and intermediate lighting circuit with one light. Construction working of intermediate switch. To wire a three way lighting circuit you will need 2 two way switches and an intermediate switch. Two way switching 2 wires.
Gallery of Two Way Intermediate Lighting Wiring Diagram
