For those of us using led fluorescent or some other energy efficient bulbs under 20w a neutral is required. Thanks image on the sides there are writings as follows.
What Happens If I Connect Two Live Wires To A Switch Is One
Uk light switch wiring neutral. Jp dec 17 2017 5. Wiring a one way switch. The most common requirement of any hardwired automated light switch is a neutral wire. A one way light switch has two terminals which is a common marked as com or c. The switch still breaks the circuit but in this case the smart switch can tap into the neutral wire to keep power flowing through the switch the electronics in the switch still break the circuit to the light but the switch maintains a circuit so it is always receiving power. This was the neutral wire.
Hi i wanted to check if there is a neutral wire in this light switch. Ok neutral switches works but here is the catch if you switch off a light in a room the light is electrically dead if you switch the live but if you switch the neutral then there is a perminant live at the light as fo current flow because no neutral no current but the majority of people who work on a light ie relamprepairreplace do not isolate at the cu hey just switch it off at the switch. When someone decides to use the wall switch to shut the light off the power to the bulb is cut which means it will stop being a smart bulb until you turn the switch back on. The simple explanation is that a 2 wire system does not include a neutral wire at the light switch the 3 wire system does include the neutral at the switch. This is the most common lighting system in europe almost all homes use this system especially in the uk and nordic regions. There are a couple smart switches that work without a neutral.
Although still used today the earth wire used to be pure green. Yes there are a fewread very very very few switches that dont require a neutral but those will limit you to incandescent only. Prior to 2006 different colours of cables were used in uk domestic electrical wiring and appliances for the neutral and live wires. Buy a smart switch that works without a neutral. This was the live wire. The house is way old and uses uk wiring codes.
The common is for the live wire that supplies the input voltage to the switch. What were the old uk electrical wiring colours. The geezers more then likely laughing if the wiring is done properly in conduit and its not a bare cable sparmed over with bonding plaster lash upnigels way will then work like a breeze. Now for the light. 1 a 1 way 2 a 2 way 3 b com a. The other terminal is marked as l1 and is the output to the light fixture.
The old colours were. Instead of the switch being used to makebreak line tofrom switched line which then powers onoff the light you need to rewire it such that the wires that fed the old switch now become line and neutral earth remains earth. These permanent line and neutral now permanently power the smart switch. Best way to get neutral wire to light switch. Here is a diagram of a standard switch with a neutral wire.
Gallery of Uk Light Switch Wiring Neutral
