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Questions tagged [smoke-detectors]

Device for detecting smoke and/or fire.

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Multiple 2 wire smokes that are wired as home runs

I have a vista panel and 5x System Sensor 2WTA-B 2-Wire. Each smoke has their own 2 wire cable that run back to the panel like a home run. The cable only has two wires and I planed to connect them to ...
Anibal Valdes's user avatar
2 votes
3 answers
903 views

Should I hard-wire only three, of many, smoke-alarms or wirelessly interconnect all of them on batteries?

My local inspector has given me the option to install battery-operated smoke detectors, but he says they must be interconnected. He would prefer that I run wires and put at least one hard-wired ...
Ryan Mortensen's user avatar
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Smoke alarms wont stop going off at night

So I'm a maintenance technician for a property, the issue that I am having is that the Smoke alarms in one of our units sets off all the other smoke alarms in the unit, we started by replacing all 4 ...
Hector CARRASCO's user avatar
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1 answer
279 views

Beeping/chirping sound (one soft, one loud) each minute in ceiling just above wired smoke alarm that is not the smoke alarm itself

A few months ago, I started hearing a quiet mysterious beep around every 1 minute in our basement. We could not find it after an afternoon of standing in different spots and we were 99% sure it was ...
Vaslo's user avatar
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Can it be the case that my 10-year old smoke alarm wiring has an interconnect cable?

Our house was completely re-wired and new wired smoke alarms installed in 2010. The smoke alarms were not interconnected. There are four wires: brown, gray, black, sleeveless. Now I am installing an ...
Johannes's user avatar
2 votes
1 answer
4k views

Why is my smoke alarm chirping even with fresh batteries?

One of our smoke alarms started doing a short chirp every couple of hours. I assumed it was due to a low battery, so I replaced it. Didn’t help still beeping every couple hours. I then unplugged it ...
John Ryan's user avatar
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110 views

False Smoke Alarm due to Interconnect/heat pump

In August, we had our gas furnace/electric ac replaced with a ducted heat pump (ECOER EODA18H-2436 with a matching air handler) in our condo built in 2009, and immediately started having false smoke ...
Peter Yao's user avatar
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CO detector beeping

My Co detector is beeping every 10 to 15 seconds. I changed the battery , drained the charge by pressing and holding reset for 5 seconds. After 6 to 8 hours again it starts beeping. House is newly ...
Vivek's user avatar
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1 answer
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Fire / smoke detectors with email notifications [closed]

Are there any fire / smoke detectors that can send an email notification when activated? I don't want mobile phone notifications, only email. It's not important if it meets any fire safety regulations ...
b7031719's user avatar
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Power coming out of breaker, no power to circuit

I have a circuit that powers all smoke alarms, two hall lights, two outlets and a ceiling fan. This was working fine then stopped with no explication. I checked the breaker box and there is 120 out of ...
Jacob's user avatar
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1 answer
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Multiple 4-wire smoke/CO zone questions (Vista 128BPT)

I'm moving in to a house with a Vista 128BPT burglar alarm and I'd really like to add smoke/heat and CO detectors to the system. However, I also really want the smokes/heat detectors to be on ...
Jason Antman's user avatar
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Installing a Wired 120 Volt Smoke / CO Detector in Non-Finished Basement to Code

My fiancée and I will be closing on a house soon. One thing that came up during the inspection was that the (non-finished) basement doesn't have a wired smoke + CO detector, which is required by our ...
itselectric921's user avatar
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34 views

Smoke detector triggers without any fire, smoke and carbon monoxide

Does anyone know why a bunch of networked #smokeDetectors would go off when there’s no #smoke, fire, or #carbonMonoxide? My house is pretty humid. Could that be a factor? I’ve tried vacuuming the ...
Peter Kahn's user avatar
6 votes
4 answers
943 views

Help with smoke detectors?

I have 2 of these smoke detectors in my house. They don’t have any information on them to indicate the brand or model. I did do a reverse image search on Google which came up with Sensaphone IMS-4862, ...
Anna's user avatar
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Why is the interconnect wire with my smoke detector getting DC volts?

My smoke alarms went off yesterday. Verified there was no fire and tried to reset the units with no luck, they would keep alarming. I ended up disconnected them from the hardwire and they would stop ...
Sam McCullough's user avatar
2 votes
1 answer
2k views

Lacking explanation in the manual for my new Kidde KN-COPE-IC smoke and co alarm

I have put up two of the Kidde KN-COPE-IC alarms and it comes with an enormous manual but doesn't explain the multi-function button on this alarm. There's a drawing of the large button under the alarm ...
Christian's user avatar
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Do I really need Carbon monoxide detector

My house has a gas hob other than that I don't have any other appliances which burns off fossil fuel. I have other heavy appliances like washing machine ,Electric OTG Microwave oven, Fridge,Toaster ,...
CuriousMan's user avatar
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1 answer
678 views

How do you properly shield a 10-year lithium battery smoke detector from an old wired system?

Short version: I would like to hang smoke detectors with 10-year lithium batteries over the junction boxes that were once used for a wired system. The wires in the boxes no longer carry any current. ...
Zack's user avatar
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1 vote
1 answer
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Smoke Detector Turns on Randomly: After removing Popcorn ceiling and repainting

I removed the popcorn ceiling and repainted the ceilings at my place. The drywall contractors forgot to cover the smoke detector. Obviously there was popcorn ceiling leftover, dust, slight moisture. ...
mattsmith5's user avatar
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1 answer
196 views

Can two branch circuits share one lighting box?

All my smoke detectors are on one circuit, but one needs to be moved about 4 feet from where it is. At its present location is where I would like to have a light fixture which will be on a different ...
Trevor's user avatar
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Are there smoke alarms that you can connect 12v-24v strobe to for remote notification? [closed]

Are there smoke alarms that you can connect 12v-24v strobe to for remote notification ?
Scott Herzog's user avatar
2 votes
1 answer
361 views

Installing Nest Smoke Alarm against capped wires

We moved in to a new home and the prior homeowner capped the old smoke alarm wires and replaced the old wired alarm with a battery unit that wasn’t wired up at all. The nest smoke alarm has a 120V ...
M2tM's user avatar
  • 123
7 votes
1 answer
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I found this white electronic device on my ceiling. What is it?

I found this on my ceiling and I was wondering what it is.
Awerty16's user avatar
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0 answers
190 views

What if anything does blue tape mean on a wire for a smoke alarm circuit?

Is there a common meaning amongst electricians for blue electrical tape on a circuit that powers the smoke alarms in a house?
RibaldEddie's user avatar
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1 vote
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Removing fire detection panel

We recently moved into a house which used to be tenanted to five adults, and because of safety regs had to have very comprehensive fire safety. There is a fire panel, and there are fire alarm push ...
Tom's user avatar
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1 answer
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Will essential oil diffuser trigger the smoke detector? [closed]

I saw many posts online saying that the essential oil diffuser will not set up the smoke detector. However, there were actually some posts online saying that its diffuser sets off the smoke detector. ...
Anson Lee's user avatar
19 votes
1 answer
8k views

FirstAlert smoke detector low battery warning continues after opening battery drawer and replacing batteries

Note: I'm creating and immediately answering my own question because I wasn't able to find documentation of this solution online. My condo is equipped with a FirstAlert 7010BSL smoke detector (...
Reign of Error's user avatar
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0 answers
86 views

Smoke alarm positioning - dead air?

For aesthetics, I'd ideally like to place the smoke alarm in this room in the middle of this 'square' area - see dot in attached picture. It's more than 300mm from any ceiling/wall corner, and thus ...
Ethan's user avatar
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2 answers
2k views

Can interconnected smoke detectors be wired as spokes from an attic junction box?

Suppose 3 interconnected smoke detectors on first floor. Standard wiring would run 14/2 to first, then 14/3 (with red wire for interconnecting) to second, then 14/3 to third. My question is whether ...
Ken Smith's user avatar
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2 answers
366 views

Does my smoke alarm battery need replacing?

I live in a flat in the UK. The flat is about 6 years old, and I moved in 4 years ago. The flat has a built in smoke-detector, and over the past few days, it has started 'going off' for about 10 ...
Korosia's user avatar
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41 votes
2 answers
14k views

How did a circuit that was shut off at the breaker almost kill me?

I just had a near-disaster while trying to install new smoke detectors. My house has AC hardwire connections for the smoke detectors. I wasn't sure which circuit the smoke detector AC connection was ...
Kevin's user avatar
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0 votes
1 answer
72 views

FIVE hardwired smoke/CO2 detectors, 4 on one floor in close proximity, PLUS ADT smoke/CO2 detector separately

Moved into a "new to us" home a few months ago. Made a small renovation (halved the kitchen and created a spare room). Four usable rooms total and a furnace/hot water heater utility room ...
Mrs. C.'s user avatar
0 votes
3 answers
1k views

Photoelectric smoke detector, AC refrigerant, and a false alarm

I purchased a house about 7 months ago and found it had interconnected AC smoke/CO detectors that were all unplugged. Not knowing the age of them I replaced them all using photoelectric smoke/CO ...
ChrisR98's user avatar
3 votes
1 answer
181 views

Smoke/CO Detector Location Within A Bedroom

This question concerns smoke/CO detector placement within a bedroom (the code is pretty clear regarding outside-of-bathroom & distance-from-kitchen-appliances). Given a 12x10ft bedroom, with the ...
sil80's user avatar
  • 567
2 votes
1 answer
277 views

Are smoke/CO detectors required to be interconnected with wire?

I am planning on hardwiring 6 combination smoke/CO detectors on various levels of the house (2nd flr, 1st flr, basement) using 12/2 wire branching off from permitted sources (standalone 20a outlets). ...
sil80's user avatar
  • 567
1 vote
2 answers
1k views

A spark while installing a smoke alarm

Short story: the black wire sparked when installing a hardwired smoke detector as I had left the power on. After properly turning off the power, I completed the installation and now everything works ...
John Wyclif's user avatar
7 votes
2 answers
2k views

What is this electrical fixture above a natural gas fired forced air furnace?

While visiting my mother-in-law, we wanted to get the smoke detector situation in her house up to par (this is in Massachusetts, we're from Europe, though). She has a natural gas fired forced air ...
Alexander Klauer's user avatar
0 votes
1 answer
100 views

Will most battery-powered smoke detectors attach to other back plates?

Need to replace a battery powered detector. Do most of them have the same sort of back plate or will I generally have to attach a new back plate? Do they usually come with a back plate?
bitshift's user avatar
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1 vote
3 answers
2k views

Can I wire a smoke detector so that it disables my furnace if smoke is present?

I have a standard Johnson Controls Unitary Products TM9V*MP board in my furnace wired to a nest thermostat. Can I wire my duct smoke detector so that it splices the R wire going from my furnace to my ...
user2886057's user avatar
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0 answers
49 views

What smoke detector fits this bracket

There is an empty bracket for a smoke detector in the hallway. See picture. What brand/model of detector uses that kind of bracket?
ahoffer's user avatar
  • 113
0 votes
1 answer
2k views

Hard-wired smoke detector chirps when light switch flipped

I have a hard wired smoke detector that is connected to the same circuit breaker as the two hallway lights. The two switches at the end of the hallway do not turn the smoke detector on and off, ...
Wilson Malone's user avatar
1 vote
4 answers
15k views

Why is a smoke alarm chirping at specific times of the day?

I have a smoke alarm (Kiddie) that is beeping regularly (every 30 seconds or so), what I would typically associate with a low battery. The strange thing is that the beeping is only happening between 5 ...
GdD's user avatar
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2 votes
1 answer
293 views

Signalling a smoke alarm from interconnected (hardwired) detectors to an alarm panel

IMPORTANT NOTE: When reading the question below, keep in mind that Maryland law defines a "smoke alarm" as "single or multiple station device ... including a built-in internal alarm [...
Moshe Katz's user avatar
  • 2,705
0 votes
0 answers
492 views

What do I do if some of my smoke alarms ac power doesn't work?

I have 5 smoke detectors in my home, 2 of them have the green ac power light on and are interconnected. Those 2 are on opposite sides of my home from each other but I have 3 on 1 side but those don't ...
Brent Salazar's user avatar
1 vote
1 answer
62 views

Apartment Fire Code [closed]

Recently had a main transformer blow in my apartment building, whole place was without power, but we did discover that the fire alarms had no backup power source to allow the alarm pulls to still ...
Halz's user avatar
  • 11
1 vote
1 answer
187 views

Where should I put the Google Nest smoke alarm in this room?

I have a large open plan kitchen dining and living area with a high vaulted ceiling. The ceiling meets two separate one-sided peaks in two places on the wall. I'd like to put a single Google Nest ...
kennyB's user avatar
  • 135
0 votes
2 answers
664 views

Is there a technical reason why there are seemingly no smoke detectors that are battery operated, dual sensor, and interconnected?

I've viewed dozens of "top X smoke detectors of 2020" sites, and scoured the leading brands' sites (Kidde, First Alert, and Nest), but I can't find any that are battery operated, dual sensor ...
rory.ap's user avatar
  • 229
1 vote
1 answer
520 views

Hardwired Smoke Detectors, go with sealed battery units or unlocked with lithium 10 year batteries

Not sure if this is the right place to discuss and can't find an exact answer in the other discussions. My smoke detectors were manufactured in 2009 so its time to replace. They are hardwired and ...
redlude97's user avatar
  • 1,695
0 votes
1 answer
1k views

Smoke detector wiring - black wire in 3 wire appears to be damaged. Can I use power from AFCI circuit to power but use red wire to interconnect?

I have ~10 smoke alarms (one per bedroom, one per hall). Somehow the last one isn't working. The green light didn't go on. I've done some troubleshooting - swapped the connectors and swapped the ...
Fresh Codemonger's user avatar
0 votes
1 answer
6k views

What should I do with the wires before I put a cap over the hole left by my (broken) electric smoke alarm?

We have a wired smoke alarm system. We've lived here 9 years and I have no idea if they work or not, so I installed battery-operated ones in pretty much every room. One day the wired one upstairs was ...
user126673's user avatar