3 Wire Ceiling Light Wiring Diagram. 3 the live feed to the light switch. Cable c is a twin red and earth which is connected to the light switch.
When there is an extra hot wire it is red. If the cable colours in you ceiling rose are brown blue and greenyellow you probably want to start here. Switch wiring diagram unique wiring diagram ceiling fan light 3 way.
This circuit is wired the same way as the 3 way lights at this link.
Remove the old ceiling light. For ceiling light wiring diagrams with a two way switching start here. For ceiling light wiring diagrams with a single switch start here. The circuit consists of a two way switch at each end top and bottom switches in fig 2 and an intermediate switch in the middle.