Device for detecting smoke and/or fire.

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6
votes
2answers
949 views

What should I do about this smoke detector that beeps constantly?

My smoke detector beeps constantly when connected. Looks like I need to change the battery. But I have no clue where to put in the battery or how to change. Your help will be appreciated. The unit ...
5
votes
1answer
1k views

What's the signalling voltage on hardwire smoke detectors? Mix and match?

What is the signalling voltage on hardwire smoke detectors? Is it acceptable to mix brands? Is it acceptable to have detectors on different electrical circuits, connected only with an interconnect ...
4
votes
2answers
580 views

How can I install a wired smoke detector without compromising the fire rated sheetrock?

We have a connected garage with a bedroom above. It has proper fire rated sheetrock and a fire rated door. We use it for storage (including some paint and other normal chemicals). For this reason I'...
3
votes
3answers
446 views

What type of electrical box do I use for a hard-wired smoke detector?

I am considering adding hard-wired smoke detectors to my house. Due to other in-process remodeling projects and the structure of the house, I have access to get behind the drywall at each location ...
1
vote
5answers
23k views

What besides smoke might trigger a hardwired smoke detector?

Sometimes my hardwired smoke alarm goes off for a few seconds for no apparent reason. For example I am not cooking or burning any substance. It is 3 years old and has a new battery. Other than ...
0
votes
2answers
86 views

Efficient way to test smoke detectors

I just got done wiring boxes for my hardwired smoke detector system and am about to start installing detectors. When testing in the end, I heard they sell some test aerosol spray which is the ...
0
votes
1answer
106 views

How can I safely test my (optical) smoke alarm?

My landlord has recently reinstalled my smoke alarm. It is labelled on the smoke alarm as an "Optical" type. The smoke alarm appears to be working - it's powered by both mains electricity and battery ...