2 way intermediate also known as 3 way

Schematic

Switch terminals

Hint, if you want to make a switch opperate the oposite way up, identify which type of switch you have and swop the two right hand side terminals identified in the above diagram over

Diagrams

The following diagrams are how the bottom schematic diagram may be connected in the field;


Click here for non harmonized colours

Click here for non harmonized colours

Click here for non harmonized colours
Notes,
Junction boxes need to be in an accessable location for inspection.
Chock block must be enclosed in fitting or in a suitable enclosure above ceiling and not exposed to heat from the lamp.
If a metal light switch is used, connect the earth wire to the earth terminal on the light switch and loop to the back box.

Light circuit with multiple intermediate switches

Click here for non harmonized colours
Notes,
Junction boxes need to be in an accessable location for inspection.
Chock block must be enclosed in fitting or in a suitable enclosure above ceiling and not exposed to heat from the lamp.
If a metal light switch is used, connect the earth wire to the earth terminal on the light switch and loop to the back box.

Using 2-way and 3-way switches as 1-way or 2-way

A 2-way switch can be used as a 1-way switch, and an intermediate switch can be used as either a 1-way or a 2-way switch by making the connections shown in this diagram.