Lighting Wire Diagram. Insert the configuration inside the box tight the screw and again turn on the light to check. Using the diagram above this would mean either cable 1 2 or 3.
V3 beta is now public with ipad support it includes ability to add notes. This is cable c below one wire connects to l1 and the other to l2 on the top switch. From inside and ensuring the lighting circuit is switched off prepare the new wiring to be partnered to the existing wire.
It is possible to place more than one intermediate switch on the cable between both of the two way switches making more switch points.
Three way switching schematic wiring diagram. The radial lighting circuit has 3 common wiring options which may be mixed at will. If the cable colours in you ceiling rose are brown blue and greenyellow you probably want to start here. Three way switching schematic wiring diagram.