Wiring Mains Smoke Alarm
- Thread starter DonnaS
- Start date
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Absolutely not. LABC would not issue a comp cert for works if the smokes are not linked.
I sort of see where your thought logic is, but it's flawed.
Take my place kitchen on rear extension, with door closures to every room. Us on 2nd floor and in post party sleep. We wouldn't hear the kitchen alarm.
Smokes are installed as an early warning system to save lives, inter linking might be a pain, but is an essential requirement to give full cover.
C
ColinJacobson
Point taken. If a small house and all alarms will be heard all over the house then an intelligent assessement would say OK to not link them; in a house not required to have them at all then two alarms is something that was not there before, so a plus.
C
ColinJacobson
Is this cable fine to interconnect the two smoke alarms?
http://www.toolstation.com/shop/Electrical/Cable/d190/sd2730
cat No. 388.
So, T&E (L,N & E) to the first and this 3 core and earth from the first to second, third, etc?
http://www.toolstation.com/shop/Electrical/Cable/d190/sd2730
cat No. 388.
So, T&E (L,N & E) to the first and this 3 core and earth from the first to second, third, etc?
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Correct, standard interlink = 3c+e. Even though the earth does nothing.
Do not be tempted to use TE with the earth used as the interlink !
I take it you understand the sense in having a heat unit (not a smoke) in the kitchen.
A more important reason for multi units is that a fire in say a reception room will have become a killer by the time a kitchen unit sensed the heat / smoke.
Hence why a hotel will have a detector in every room. Ideally homes should have the same.
Most go for kitchen and every hall ceiling. If you smoke (does anyone smoke indoors now?) or have open fires I'd recommend detection in the common areas plus those 'at risk'.
Do not be tempted to use TE with the earth used as the interlink !
I take it you understand the sense in having a heat unit (not a smoke) in the kitchen.
A more important reason for multi units is that a fire in say a reception room will have become a killer by the time a kitchen unit sensed the heat / smoke.
Hence why a hotel will have a detector in every room. Ideally homes should have the same.
Most go for kitchen and every hall ceiling. If you smoke (does anyone smoke indoors now?) or have open fires I'd recommend detection in the common areas plus those 'at risk'.
C
ColinJacobson
No open fires. It is obvious why, heat in kitchen and smoke in the hall.
In the last house with a smoke detector on the ground and 1st floor hall ceilings, when toast burnt the downstairs detector sensed it and set the two off (a nusiance). Realistically it needed a heat detector in the kitchen and get rid of the smoke detector on the ground floor ceiling.
Most of them have been removed.
Passing over info doesn't cost me nowt, and I tend to feel good if I've helped someone out.
If the OP is just cranking some weird handle for even weirder reasons that's his 'bad' not mine.
SHOULDN'T YOU BE ASKING ALL THIS STUFF IN A TOPIC OF YOUR OWN, RATHER THAN HI-JACKING THIS POST, WHICH DOESN'T HELP THE OP AT ALL?!
HOPEFULLY A MODERATOR CAN REMOVE ALL YOUR JUNK.
C
ColinJacobson
It is far from junk and related to this topic. I care not a jot about your opinion. I hope the Mod ignores such childish comments.
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