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Old 11-23-2021, 07:36 PM
 
Location: Willamette Valley Oregon
927 posts, read 585,638 times
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They say smoke alarms go back to the 1970s and there actually were hardwired ones WITHOUT battery backup. What are your first experiences with smoke alarms and how different are they from today's counterparts?
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Old 11-24-2021, 06:45 AM
 
Location: Wooster, Ohio
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I remember getting my first job after college and being sent to Ann Arbor. I stayed at the Y until I was able to find an apartment. Preparing breakfast, I noticed the burner I was using was smoking due to organic matter left on it. I turned on all four burners in order to clean them. This set off the smoke alarm. I frantically opened the alarm and removed the battery. At least no one complained about the noise early in the morning.

My smoke alarm sometimes goes off when I am grilling hamburgers. Living alone on 15 acres, I don't worry that it will bother the neighbors.
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Old 11-24-2021, 09:12 AM
 
Location: Middle America
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I don't remember them going back that far (1970s), but would think in the 80's. Could be wrong though.
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Old 11-24-2021, 09:25 AM
 
Location: The DMV
6,589 posts, read 11,277,081 times
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Born in Asia, don't remember seeing them there. But my parents first house here in the states (built in 1977/78) had them.
I want to say they were battery operated as I recall the annoying indicators.... but it's such an annoying thing, maybe I'm just imagine it - lol.
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Old 11-25-2021, 06:06 AM
 
Location: Wooster, Ohio
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I forgot to mention that my Ann Arbor smoke alarm experience was in 1979.
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Old 11-25-2021, 12:09 PM
 
Location: Tricity, PL
61,649 posts, read 87,001,838 times
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Quote:
Originally Posted by VulcanRabbi View Post
They say smoke alarms go back to the 1970s and there actually were hardwired ones WITHOUT battery backup. What are your first experiences with smoke alarms and how different are they from today's counterparts?
Smoke detectors have been around since the late 1890s.
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Old 11-25-2021, 12:39 PM
 
Location: Tricity, PL
61,649 posts, read 87,001,838 times
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I live in a mid-century house that has heat detectors from the same era.
They have heat sensitive disk mounted to the front. These disks would pop off the front after reaching a desired temperature (135F) and the alarm bell which had been wound from the back would begin it's loud tolling of the bell! It is VERY loud.
They are not wired, but have winding mechanism.
Those devices don't protect much anymore - when the heat temperature is detected, it's usually way too late to save anything, but my visitors are delighted to see them. Most people have no clue about them.
The devices are always conversational pieces in my home - super cool with an incredible retro sleek design.


Mine is much louder that this one.
Heat detectors are still a better choice for kitchens or bathrooms, I was told.
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Old 11-26-2021, 07:20 AM
 
Location: Wooster, Ohio
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Quote:
Originally Posted by elnina View Post
Smoke detectors have been around since the late 1890s.
Did it look like this?

https://www.youtube.com/watch?v=0UJVsQmm6iU
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Old 12-21-2021, 03:23 AM
 
Location: Willamette Valley Oregon
927 posts, read 585,638 times
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https://amipdx.com/oregon-smoke-alar...ore-confusing/ This part intrigues me:

Provide Proper Power
Smoke alarms come with two kinds of power sources: solely battery powered and hardwired. You can’t use the solely battery powered ones in many cases.

In the mid-1970s, when Oregon first started to require smoke alarms in houses, battery-powered alarms were rare, so most of the smoke alarms were hardwired. By the early ‘80s, battery-powered smoke alarms were common and the code adapted to avoid them. Starting in 1983 and ever since then, all smoke alarms in new construction (or in significantly remodeled homes) have been required to be hardwired. If a house ever had hardwired alarms, then you have to always have hardwired alarms in those locations.
People often buy solely battery-powered alarms and install them right over the hardwired smoke alarm outlets. This is wrong: first, battery-powered alarms are less reliable, and second, they’re not listed to be installed over 120-volt wiring boxes, so don’t do that.
If the house never had any hardwired smoke alarms, it’s fine to use the solely battery-powered kind, but if they use ionization sensors, be sure to use 10-year lithium batteries.
Starting in 1993, all of the smoke alarms in new houses were required to be interconnected, so that if one sounded, they all sounded.
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Old 12-21-2021, 10:05 AM
 
Location: Wooster, Ohio
4,139 posts, read 3,044,203 times
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Why does the smoke alarm low battery chirp always occur in the middle of the night?
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