How to wire a one way lighting circuit in this tutorial i show how to wire a one way light switch i show how a 1 way and 2 way light switch works i explain how to wire a ceiling rose how to. The earth wire connects to the earth terminal on the switch plate.

5d1c013 Diagram For Wiring A Light Switch Wiring Library
How to wire a one way light switch. Although technically it doesnt matter which way round you connect the wires it is best to stick to convention and connect the permanemt live from the supply to com and the switched live to the lamp. The cable going to the light switch is connected as follows fig 2. A one way light switch is quite easy to wire up. To wire an exhaust fan and light fixture to a single switch you have to find a way of connecting the fan and light. If there is a grounding terminal now simply hook the black wire to the bottom terminal and the white wire to the top terminal. Push the switch into the box and screw it in.
One way switching metal switches as with the plastic switch. Hook up the ground wire to the box and then to the switch. In your switch box you will only have one black one white and one ground wire. A piece of brown sleeving is used on the blue wire as both wires are live. The operation involves making pigtails so its a good idea to know how to do that. Typically these terminals will be marked com and l1 sometimes l1 and l2.
The red wire from the feed cable is connected to the top terminal the red wire going to the light is connected to the bottom terminal the black wires from both cables are connected together in a plastic terminal block and the earth wires are connected to the earth terminal. The white neutral from the source is connected directly to the light fixture. There are two terminals in a one way light switch. One wire connects to com and the other wire to l1. Source 1 comes in at the light fixture and a 3 wire cable is run from there to the switch half on the device. When the switch is on both terminals are connected together.
You can do this in the switch box or by running a length of wire through the wall or attic. The hot from the source is spliced to the black wire running to the combo and to the input side of the switch.