In this diagram power enters the fixture box. In australia we use 15mm2 tps cable for lighting circuits.

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3 gang light switch wiring diagram australia. In this diagram two 3 way switches control a wall receptacle outlet that may be used to control a lamp from two entrances to a room. Most homes have the in out and ground wires but some homes built before the 1980s don. In position 1 when the switch is down or on com and l1 are connected together just like the one way switchin position 2 when the switch is up or off com and l2 are connected together. This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture. Three wire cable runs between the switches and the outlet. Usually the third wire passes the middle intermediate switch but is joined in a separate terminal block.
Thanks for watching like share. Most smart light switches require a ground wire an in wire an out wire and a neutral wire. How to wire three switches in a gang box seems a bit daunting just looking at it. Fan light switch light switch wiring wire switch light switches elegant ceiling fan unique ceiling fans home electrical wiring electrical installation more information. Red and blue wires link traveler terminals of both switches. Article by ruby allan.
This is also known as the conversion method since it is the easiest way to add a second light switch to an existing circuit. Each of the gangs or switches above in fig 2 of which there are three work like this fig 3. Three wires between the two end switches probably using 3 core and earth cable. This circuit is wired the same way as the 3 way lights at this link. 3 way switched outlet wiring. Your gang box looks like an octopus with wires emerging from it like the tentacles of the kraken that sank the black pearl.
The black hot wire connects to the far right switchs common terminal. You have only one power supply wire and three different fixtures to be wired to that power supply. The colours for fixed wiring are red active black neutral and greenyellow for earth also white is used for switch wires. Three way switching 3 wires.