Discuss Fire alarm detectors-lighting in the Electrical Courses and Electrical NVQ's area at ElectriciansForums.net

gazdkw82

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I'm getting rid of the 2 fire alarm detectors and putting some new mains powered ones.

I'm going to take it off the light fitting in the living room and landing. How's best to do this on a plastered ceiling? Work around the joists and get a t+e through? Might seem an easy question but I've never done a fire alarm detectors before.

On that note, any recommendations for a detector?
 
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Pete999

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I'm getting rid of the 2 fire alarm detectors and putting some new mains powered ones.

I'm going to take it off the light fitting in the living room and landing. How's best to do this on a plastered ceiling? Work around the joists and get a t+e through? Might seem an easy question but I've never done a fire alarm detectors before.

On that note, any recommendations for a detector?
Are you talking smoke / heat detectors Gaz? Can you not just come off the nearest light fitting? or is your intention to form a new circuit for these detectors?
 

Matthewd29

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They won't be interconnected if you take it off 2 separate lights, you will require a 3core and earth between the detectors
 

gazdkw82

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  • #8
Domestic property. It's my house :)

I'm talking smoke detectors.

Do they have to be linked?
 
I would suggest the aico 3000 series using the radio link or smart link, they don't have to be interlinked if it is just an upgrade but what price do you put on your life??
 

Andy78

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Domestic property. It's my house :)

I'm talking smoke detectors.

Do they have to be linked?
They don't have to be linked, or even mains fed. You have options for interlinking too with either hard wired or radio linked.

My personal preference is Aico as a brand, and I supply the 160 series for customers which have a 10 year sealed lithium rechargeable battery.
 

gazdkw82

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  • #11
I want to have them mains fed.

I planned to take the downstairs one from the living room ceiling Rose and the upstairs one from the upstairs landing light rose
 

Andy78

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I want to have them mains fed.

I planned to take the downstairs one from the living room ceiling Rose and the upstairs one from the upstairs landing light rose
If interlinking with a cable then you only need one detector to be powered as the power to the others is supplied by the interlink cable. If using two independently fed detectors you could wirelessly interlink them.
 
T

The Ghost

I think I would consider combined for those locations (with stove). Is the boiler in the kitchen?
 

gazdkw82

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  • #17
If interlinking with a cable then you only need one detector to be powered as the power to the others is supplied by the interlink cable. If using two independently fed detectors you could wirelessly interlink them.
Can all detectors be wired like this?
 

telectrix

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hard wire the upstairs detector into landing light. easy ti connect in attic. make sure it's optical and not ionisation and at least 2 ft.from light, then radiolink to downstairs one/s, no wiring needed. job done.
 

pirate

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Aico, radio linked as many have said. Half an hour max to fit 3...
and cos I'm rubbish, another half hour to set them up! No wiring, no chasing, only downside is 10 year lifespan, but hardly a major concern.
 

Andy78

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Aico, radio linked as many have said. Half an hour max to fit 3...
and cos I'm rubbish, another half hour to set them up! No wiring, no chasing, only downside is 10 year lifespan, but hardly a major concern.
All detectors should be replaced every ten years anyway.
 

gutterball

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If you are wiring off the light make sure it's got a permanent feed. Won't be the first time I have seen alarms only powered when the lights on.
Also recommend Aico.
 

pirate

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Yes, Multimick, the do 10 year battery ones with radio link, Heat and smokes. I have fitted a few and I like them.

Andy78, I agree with what you say about lifespan. To clarify, sometimes folks baulk at the cost of the Aico radio linked ones, and their 10 year lifespan meaning they are looking at the same expense in another 10 years, however I ask them what is the price on their safety and they usually come round in the end. The lack of any need to raggle/chase/wire and redecorate makes the initial installation look very reasonable too.
 
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