Four pages showing how 3 plate lighting circuits can be wired up. The four terminals of intermediate switch construction and its operation are shown in fig below.
2 Way Switching Diywiki
Intermediate lighting circuit diagram. Control of a lighting circuit from three or more points. In this video were going to be looking 4 different ways to control a light using 3 separate switches and then also two ways to control a light using 4 or more switches. 2 way lighting circuit wiring diagram 2 way lighting layout drawing intermediate lighting. Follow this link if you are looking for a comprehensive step by step guide on two way and intermediate lighting circuit wiring. Switching lighting circuit allerretour with two extreme switches and one or more intermediate switches. The circuit is wired in twin and cpc cables twin and earth cable and 3 core and cpc cable.
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 switch lighting circuits. Two way switching 2 wires. This page shows it wired in the old cable colours if your house has the new colours you want to go here. Here we have a 3 way switching lighting circuit sometimes called two way switching with intermediate. Videos are training aids for city and guilds c.
This type of circuit is used in large rooms long corridors staircases and generally in large rooms. The first reason this is bad is on safety grounds. Otherwise continue with the am2 exam guide. These diagrams show various methods of one two and multiple way switching. Construction working of intermediate switch. L and n indicate the supply.
The most basic circuit with only two wires at the switch. Switches are shown as dotted rectangles. 2 way and 2 way and intermediate connections explained. This allows a single light to be turned on or off from any of the switches. Say we are working on the light upstairs so we turn off the upstairs lighting circuit thinking we are safewrongthe 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 youre fried. There is more than one way to do this depending of the type of cable available and on the installation requirements.
Earth wires are not shown. As a part of the am2 exam you will have to wire up a 2 way and intermediate lighting circuit with one light.
Gallery of Intermediate Lighting Circuit Diagram
