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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Smoke Alarms in domestic/holiday homes - new build, bank holiday wiring
Hi,
Do smoke alarms have to be: A. wired from a separate wat in the consumer unit, and B. limked together? Many thanks for your continued support! Laurie |
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Smoke Alarms in domestic/holiday homes - new build, bank holiday wiring
Do smoke alarms have to be:
A. wired from a separate wat in the consumer unit, and No. They can be supplied from a local, regularly used lighting circuit. B. liked together? Yes. Source: On-Site Guide para 7.4.1 |
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Smoke Alarms in domestic/holiday homes - new build, bank holiday wiring
Thanks Andy,
It is the right way to do it, but I am stuck in rural Devon on a BH, nearest DIY store is 1 hr drive!!!! Might have to bodge it! Laurie "Andy Hall" wrote in message ... On Sun, 24 Aug 2003 22:59:56 +0100, "Laurie" wrote: Thanks Guys, I don't have any three core and earth wire (i.e. L,N&E + Interconnect), can I use two lots of 1mm^2 T&E i.e. one for L,N&E the other for interconnect (providing I remember which is which!)? Laurie You could do, and I am not aware of any regulation saying that you can't, but it has the potential of creating confusion so is not really a very good idea. Where twin T&E is used for wiring single lights, it's quite common practice to label the black wire coming from the switch (the switched live) with red insulating tape. For this example, I suppose you could label the switched common wire with yellow tape. Cable is very cheap, so to be honest, I would buy some of the right stuff. When you come to look at the wiring in a few years time and want to change something, you will be pleased you stuck to the conventions. .andy To email, substitute .nospam with .gl |
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Smoke Alarms in domestic/holiday homes - new build, bank holiday wiring
On Sun, 24 Aug 2003 23:23:55 +0100, "Laurie"
wrote: Thanks Andy, It is the right way to do it, but I am stuck in rural Devon on a BH, nearest DIY store is 1 hr drive!!!! Might have to bodge it! http://www.screwfix.com/app/sfd/cat/...00054&id=12436 9.42 for 50m + 5.95 handling (free if you find a few more things you need to push the order over 45.00) Probably still cheaper than the sheds including the delivery. -- John |
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Smoke Alarms in domestic/holiday homes - new build, bank holiday wiring
In article ,
Laurie wrote: Hi, Do smoke alarms have to be: A. wired from a separate wat in the consumer unit, and IEE on site guide states that they can be supplied from a seperate MCB/fuse which is not RCD protected, OR a regularly used lighting circuit, which is also not RCD protected. The TLC (on-line electrical suppliers) smoke alarm guide however states that only battery back-up alarms can be connected to a light circuit, and non-battery back-up larms have to have their own circuit. B. limked together? IEE guide says they are 'required' to be interlinked Many thanks for your continued support! The IEE giude states that they are required to have a battery backup. Laurie Incidentally, the screwfix mains optical smoke alarm (non-battery back-up) are a different make to the mains ionisation alarms (battery back-up) and the instructions state they are not compatible with other brands! Neil |
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Smoke Alarms in domestic/holiday homes - new build, bank holiday wiring
Incidentally, the screwfix mains optical smoke alarm (non-battery
back-up) are a different make to the mains ionisation alarms (battery back-up) and the instructions state they are not compatible with other brands! Neil Most smoke alarm manufacturers state that their products cannot be interlinked to another manufacturers alarm. Also, I prefer to run the smokes (with a battery backup) off the lighting as it is soon obvious that there is no mains power. Adam |
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