The old wiring colours that are present in the majority of homes in the uk have been used for this diagram. 3 way light switching new cable colours 3 way light switch old cable colours.

1 Gang 2 Way Light Switch Wiring Diagram Wiring Diagrams
Two way switch wiring diagram uk. The way i show allows you to fairly easily add a second two way switch to an existing light switch by simply wiring them together in a certain way. This diagram represents a two way switching arrangement. There are other ways of wiring a two way lighting circuit but this is by far the most common and easiest method. Schematic diagram of new wire colours. 2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching. It is essentially the same circuit diagram as the one on the top of this page but with the utilisation of modern cable arrangements.
2 way switch wiring diagram two way switch two way switching. These are typically labelled com l1 and l2 some may label the l1 and l2 positions as 1 way and 2 way. Old multi point radial lighting diagram using junction boxes. 2 way switching two wire control. There are several ways to wire two way switching. In one switch position the com terminal is connected to l1.
This circuit diagram describes the wiring a two way switch in such an arrangement so that the flat twinearth and 3 coreearth cables are not broken or interrupted anywhere between the components of the circuit. A two way light switch is a simple single pole changeover switch with three terminals. A two way switchuk schematic diagram of old wire colours. The schematic is nice and simple to visualise the principal of how a two way switch works but is little help when it coms to actually wiring this up in real life. Below is the way i like to do it.