It comes in many different sizes but the most common size for wiring lighting circuits is the 15mm2 which is available as flat 3 coreearth as well. First of all we need to go over a little terminology so you know exactly what is being discussed.

Light Control Wiring Diagram Generalmotorspoerts 7
2 way lighting wiring diagram. 3 way light switching new cable colours 3 way light switch old cable 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. A 2 way switch wiring diagram with power feed from the switch light. Wiring a 2 way switch is about as simple as it gets when it comes to basic house wiring. You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light. 2 way switch wiring diagram pdf two way switch function.
Two way switching is most commonly found on stairs and landings and long corridors. Old multi point radial lighting diagram using junction boxes. Two way switch lighting circuit diagrams. Lighting circuits part 2 wiring multiple switches 2 way and intermediates duration. Old multi point radial lighting diagram using junction boxes. 3 way light switching new cable colours 3 way light switch old cable colours.
Earth wires are not shown. If you need to know how to wire a two way switch then this is the place to start. Here is our selection of two way switch circuit diagrams. John ward 604227 views. Do you need to know how a two way switch works before you check out the circuit diagrams. The power source comes from the fixture and then connects to the power terminal.
Go to my switch terminology page where i discuss the terms used for the different types of home electrical switches. The most basic circuit with only two wires at the switch. 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. 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. Two way switching 2 wires. The 3 coreearth cable differs from the twinearth on having an additional core which can prove very helpful when wiring two way or 3 way lighting circuits.
We look at the eu colour coding wires. The electrical symbol indicates where power enters the circuit. L and n indicate the supply. Switches are shown as dotted rectangles. These diagrams show various methods of one two and multiple way switching. Two way lighting.
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.