Neutral Wire
Hi,
I really want to install a Violet Lite switch into my living room to give some control over Hue Lighting and Sonos. My worry is the wiring and lack of neutral in the light socket that I am replacing....
The switch powers a ceiling light and the cabling being the switch is single cable, 3 wire (looks to be power, switched power and an earth), and the ceiling rose for the light has a single cable with 3 wires too. It looks like I need to take apart other ceiling roses to try and find something else, but after reading through the info on the violet multiple times, I still don't seem to be able to work out what I need to do. Also, I really don't want to be spending hours taking other ceiling light fittings down and taking things apart. Pic of the cable feeding the current light switch attached. Any help would be greatly appreciated.
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Official comment
Ultimately, you need to work out where that light switch wires to. If I understand your previous ticket correctly, there is only one cable in the ceiling rose with a live, neutral and PE. That means there must be some kind of junction box somewhere that joins the three cables together (the incoming cable from the distribution board; the cable from the switch; and the cable from the light). Usually this is done within the ceiling rose if there is one (as per our diagram), so it is strange that it is not, however your wire colours indicate old wiring so it's hard to say what they did.
On the subject of wire colours, that yellow wire seems to be redundant, again finding the other end will indicate (hopefully) that it is not live as it does not look completely safe the way it is taped up.
So, unless you can find a wiring point then I'm afraid it is difficult to help. Someone in the community might have a suggestion as to where to look?
Disclaimer: electrics are dangerous, seek a qualified electrician if you are not one yourself.
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There is a terminal block inside the dining room ceiling rose (in the same room), which has 3 cables joining together via wagon blocks. The only thing I am unsure about is how to establish which of those could be the neutral that is being used as the switched wire in the switch that I wan't to change? Obviously if I get it wrong, it will also lead to the dining room lights being on all of the time too presumably? I guess the thing to do would be to go through the process of elimination by trying it one wire at a time, and when the living room light stays on (with the stitch on or off), I will have found the neutral? Then, I can use what's currently the switched power as the neutral wire? Hope that makes sense.
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