Lighting Circuits - Multiple Lights from One Switch To add a second light which is switched with the first one, the switched line, neutral and earth need to be extended to the second light. This diagram shows the additional cable connected to an existing ceiling rose. The new cable here is labelled 'light 2'. The other end of this cable is taken to the position of the new light. Light Switch Wiring Diagrams - Do-it-yourself-help Multiple Light Wiring Diagram. This diagram illustrates wiring for one switch to control 2 or more lights. The source is at SW1 and 2-wire cable runs from there to the fixtures. The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light. How to Wire Two Light Switches With 2 lights with One Nov 29, 2016 - I want to wire 1 way switch, 1 dimmer switch with 2 individual lights from one powe source. Thank, frank two-way-switching-wiring-diagram | Light wiring Two-way switching. 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. 3 way light switching (new cable colours) 3 way light switch (old cable colours) 3 way light switch using a two wire control; News & Updates; Open Menu. Light Two Way Switching Explained - How to wire 2 way light switch How to wire 2 way light switch, in this video we explain how two way switching works to connect a light fitting which is controlled with two light switches.