smoke detector/socket wiring
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riddler_65
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smoke detector/socket wiring
I have a question regarding wiring for a smoke detector I have just removed (I bought the battery packed interlinked type as replacement). I want to reconnect the wires as there has been an additional socket added later . I reconnected the wires L to L, E to E & N to N but the socket does not work. I am left with a single yellow wire, what should happen with this wire?
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moderator2
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smoke detector/socket wiring
Best not to hi-jack another electrical thread, especially as it is a different issue.
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Someone-Else
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smoke detector/socket wiring
What socket does not work?
Since none of us wired your smoke alarm there is no way anyone can definitively say what this yellow wire is for, however I would guess it is the interlink.
Why not take down another smoke alarm and see how that is connected?
Did you also know that you can not link brand "A" smoke alarm with brand "B" smoke alarm? You have to use the same brand as is already there or change all of them.
Since none of us wired your smoke alarm there is no way anyone can definitively say what this yellow wire is for, however I would guess it is the interlink.
Why not take down another smoke alarm and see how that is connected?
Did you also know that you can not link brand "A" smoke alarm with brand "B" smoke alarm? You have to use the same brand as is already there or change all of them.
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Would you hit a nail with a shoe because you don't have a hammer? of course not, then why work on anything electrical without a means of testing Click Here to buy a "tester" just because it works, does NOT mean it is safe.
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Would you hit a nail with a shoe because you don't have a hammer? of course not, then why work on anything electrical without a means of testing Click Here to buy a "tester" just because it works, does NOT mean it is safe.
If gloom had a voice, it would be me. Click Here for a video how to add/change picturesInept people use the QUOTE BUTTON instead of the QUICK REPLY section
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arco_iris
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smoke detector/socket wiring
riddler_65Firstly, if you do not know what you are doing, leave it to someone who does.
Smoke alarms are (almost always) connected to either the lighting circuit (6A MCB) or a dedicated 6A MCB labelled at the Consumer Unit. Under NO circumstances can a 13amp 3-pin socket be connected to this circuit*.
Going on from that, is the smoke alarm wiring a "three core & earth" cable consisting of blue, red, and yellow? This cable was ONLY available (pre 2004) in 1.0mm² or 1.5mm² and THIS PROVES that the circuit is as previous sentence. DO NOT DO IT.
Lastly, assuming (you do not say) that you connected L-L as red & N-N as blue - because you thought you knew that much at least - then as S-E said, the yellow is the interlink which is connected to the next alarm in the chain. This type of cable was normally used for two-way light switching but in 2004 was superceded by brown/black/grey.
Sockets MUST use 2.5mm² twin & earth cable in normal circumstances. Connect your socket to the ring main, perhaps as a spur from another socket.
DO NOT PROCEED AS YOU SUGGEST.
* Under certain circumstances it may be acceptable to connect a 5 amp, three ROUND pin socket, which accepts only a three round pin smaller plug, for supplying power to a table lamp. It must be so that a person cannot plug a 3kw fan heater (or similar) into a lighting circuit.