How to wire three switches in a gang box seems a bit daunting just looking at it. On the whole 2 or 3 gang switches will always be 2 way switches.

Lighting Circuit Switch Arrangements
One gang one way switch wiring diagram. You dont see these as much now days as many manufactures only make 2 gang 2 way light switches that serve the same purpose you just dont use the third l2 terminal on each gang however i thought we would include it just in case you come across one. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture. 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. This is because if you only need a 1 way switch you can still use it by only connecting one of the terminals l1 or l2 and common terminal. You have only one power supply wire and three different fixtures to be wired to that power supply. 3 way switch wiring diagram depicting all wires in the ceiling junction box.
If you are buying switches and dont know exactly what you need then it is often a good idea to get a 2 way switch anyway. There are two terminals in a one way light switch. One way lighting circuit using in line switching. The cable going to the light switch is connected as follows fig 2. 1 gang 2 way light switch wiring diagram uk. Brown sleeving or tape would of been placed on the wires as shown to show the blue.
Your gang box looks like an octopus with wires emerging from it like the tentacles of the kraken that sank the black pearl. When the switch is on both terminals are connected together. Line diagram of a one way lighting circuit using in line method fig 1. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw. Wiring a light switch. A one way light switch is quite easy to wire up.
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. Line diagram of a one way lighting circuit using in line method fig 1. 2 gang 2 way switch wiring diagram wiring diagram is a simplified usual pictorial representation of an electrical circuitit shows the components of the circuit as simplified shapes and the power and signal links in the midst of the devices. The red wire from the feed cable is connected to the top terminal the red wire going to. Typically these terminals will be marked com and l1 sometimes l1 and l2.