If in any doubt on how to proceed consult a qualified electrician. One way switching plastic switches.

Wiring A Switched Wall Light 1 Wiring Diagram Source
One way switch wiring diagram. Two way switching 2 wires. L and n indicate the supply. One way light switch wiring diagram one way ceiling switch wiring diagram. A one way light switch is quite easy to wire up. All work carried out should comply with all applicable wiring regulations. Two way switch wiring diagram.
The cable going to the light switch is connected as follows fig 2. 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. This video is unavailable. Read the instructions carefully before commencing installation. Incorrect installation will invalidate your guarantee. Control one bulb with help of one way switch.
A single switch operates the light. Switches are shown as dotted rectangles. A piece of brown sleeving is used on the blue wire as both wires are live. These diagrams show various methods of one two and multiple way switching. The earth wire connects to a terminal in the backbox or to a single insulated. Line diagram of a one way lighting circuit using in line method fig 1.
This is the simplest situation and also the most common. Skip navigation sign in. One wire connects to com and the other wire to l1. The most basic circuit with only two wires at the switch. Earth wires are not shown.