Locating an outlet box buried behind sheetrock...

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hurk27

Senior Member
Probably took 7 years to run them down. If alarm never is activated they can last for a long time with some of the better batteries out there.

What they have for a battery, a car battery? I cant get a battery to last a year with 120 volts on most smokes :happysad: the three in my house are non-electric but have a non-changable 10 year LI-ION type battery with wireless interconnect after 10 years you toss-em and buy new ones
 

Twoskinsoneman

Senior Member
Location
West Virginia, USA NEC: 2020
Occupation
Facility Senior Electrician
Probably took 7 years to run them down. If alarm never is activated they can last for a long time with some of the better batteries out there.

Energizer... just keep going and going :D

images
 

kwired

Electron manager
Location
NE Nebraska
  1. What they have for a battery, a car battery? I cant get a battery to last a year with 120 volts on most smokes :happysad: the three in my house are non-electric but have a non-changable 10 year LI-ION type battery with wireless interconnect after 10 years you toss-em and buy new ones
I don't know, but I do know that I have had to replace many of the cheap batteries that come with the detectors at the time of initial installation.

7 years is a long time - they likely have been replaced at least once, probably even twice. They recommend changing them once a year - I know they last longer than that because I don't always remember to replace them and they still going... and going....:)
 

Dom99

Member
I've had good luck finding hidden boxes, studs or joist by laying a good bright flashlight along side the wall or ceiling. You can see where the nails and humps are.
 

n1ist

Senior Member
Location
Massachusetts
Occupation
Principal Electrical Engineer
More likely they just put in new batteries in preparation for the sale, and they have died.
/mike
 

JoeDaddyCO

New member
This made me think of a time I wired the low volt in a huge custom home. Had 80 speakers throughout the house, recessed speakers do not come with a can so all the wire were behind drywall. With a cheap toner kit from Tempo, http://www.tempo-textron.com/prod_detail.cfm?cat=800&subcat=803&pid=12965, I used the Probe but ran a wire from the amp in my truck to the head-end, paralleled all the speaker wires with the amp, cranked it, and had no problem finding all the wires in the house. Just found the outer edges of the signal and cut in the middle.
 

ritelec

Senior Member
Location
Jersey
These smokes chirped for 7 years?.... Running on batteries the whole time?

guess so.....or batteries would get changed................definetly was no 120v there. (replaced batteries were different makes so I presume they were replaced throughout the yrs.).

Energizer... just keep going and going :D

images

I don't get the bunny anymore. I friend and I replaced (rebuilt) my engine once.......he mentioned how that brand is terrible and always dies quickly. True or false? I don't know....I just don't buy them anymore.

I don't know, but I do know that I have had to replace many of the cheap batteries that come with the detectors at the time of initial installation.

7 years is a long time - they likely have been replaced at least once, probably even twice. They recommend changing them once a year - I know they last longer than that because I don't always remember to replace them and they still going... and going....:)

again...no bunnies for me. I actually installed smoke heads some 23 yrs. ago in my house........... I replaced all of them about 7 or 8 yrs. ago.......of the 8 installed, I've had to replace batteries on 2 of them once.
 

RonEl

Member
I'd say do what you gotta do....you didn't cover it .....and defend yourself toward who ever did.

Your not a magician or have exray vision.

If patching and painting are going to be needed to be done so be it.


Sorry to say, but your answer (or at least the quoted part of it) doesn't seem very professional. It's apparent the guy is trying to respect the finished work of someone, and asking for a way to do it; doing so on a forum which offers a mega-lot of experience. I commend him for his effort and sensitivity. Yes, eventually he may have to do some exploratory work, but I sense he'd prefer to do that as a very last resort. Let's all try to work together instead of just watching out for ourselves, even when it's not our fault.
 
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RonEl

Member
being that I never do residential I really don't know much about this kinda thing. but how does it happen? Do sheet-rockers have to move that fast.

All I can think of is way back in the day, every sheet-rocker I knew was either drunk or on meth, but usually both. Is it still that way?

It's a hard to believe you include bible passages in your signature block, but make judgemental statements like this.
 

ritelec

Senior Member
Location
Jersey
Let's all try to work together instead of just watching out for ourselves, even when it's not our fault.

You mean I can't leave it for the next guy?

By the way, I commend him too. Get in get out like you where never there. But sometimes.......it is what it is.....
you can also do the repairs yourself,

(electricians do it all)......kinda do.
 

kwired

Electron manager
Location
NE Nebraska
again...no bunnies for me. I actually installed smoke heads some 23 yrs. ago in my house........... I replaced all of them about 7 or 8 yrs. ago.......of the 8 installed, I've had to replace batteries on 2 of them once.

A good battery does not have to be a name brand. In general just using alkaline batteries seems to be the best idea most of the time.
 
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