Talk:Fire alarm system

Untitled
I removed the "Bounding" section, which had begun (as much of this artcle) as an excerpt from a contract specification for the Veteran's Administation. Fireproeng 08:59, 25 February 2007 (UTC)

This a bit like it has been lifted from formal documentation, either from NFPA 72 itself, or something closely related.

I propose that either this article be re-named (to reflect its relationship to that standard), or alternatively the content be made more generic. Thoughts and opinions? mattp 19:38, 8 April 2006 (UTC)

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I agree this could probably use a bit of massaging from an active fire protection expert. It does appear to be lifted right out of a manual. NFPA "shall mean" not much of anything at all outside of North America, for instance. Considering fire statistics comparisons between Switzerland and the US, as an example, would lead one to believe that there are a few other countries who also have some good ideas.---Achim 21:44, 24 April 2006 (UTC)

Audio Evacuation System
Regarding the proposed merge of Audio Evacuation System with this article, it is fine by me. Anyone else? SchuminWeb (Talk) 15:59, 11 November 2006 (UTC)

Definition of "extra alarm" fire (indicating severity)
I'm not sure whether it would belong in the alarm article, this article, or the fire protection article, but I was looking for a definition of what exactly is meant by a "multiple alarm" fire. In Chicago when there is a large fire (say, in a large warehouse) it's reported in the news as an "extra alarm" fire, a "three alarm" fire, etc. My impression is that it has to do with how many fire stations are required to respond to the call, but I'm having trouble verifying that.

Can someone with more information update an appropriate article with the definition and its applicability. I assume this is at least a U.S. term (rather than just Chicago), but imagine it might be used in other countries as well (or some equivalent).

Mleinart 17:55, 14 May 2007 (UTC)


 * Where it goes definitely would have to do with what you come up with for a definition on it. However, my gut feeling is that the meaning you cited is correct.  I've understood it to be how many units responded.  SchuminWeb (Talk) 20:08, 14 May 2007 (UTC)

You can Google an answer for this if you like, but a good definition for one fire department's definition can be found here: http://www.nbc4.com/money/9208480/detail.html Here's a discussion: http://www.lostremote.com/2006/12/08/news-tip-how-many-alarms-in-a-fire/

Long story short, it varies based on your locality but by the time it's a three-alarm fire you've got over a dozen emergency vehicles on scene or on route. Thankfully a three-alarm fire is unusual wherever you go! 208.228.181.183 (talk) 17:22, 9 April 2008 (UTC)

Older buildings, smoke 'alarms'
Removed, as is not clear. Smoke detectors are more sensitive to heat, and reference to fire spread is true of any type of fire alarm system.Fireproeng 16:32, 20 May 2007 (UTC)

Please note that a smoke alarm is more accurately described as a self-contained unit that includes a smoke detector, an audible sounder, is powered by a direct power connection and is generally used in residential applications. A smoke detector responds to products of combustion (smoke/particulates) and, except for it's use in a standalone smoke alarm, is a system-connected device that is supervised by a control unit and is powered by an external power source. Smoke detectors do not respond to heat unless they include a separate thermal sensing element; in which case they would be considered a combination detector. ELedoux (talk) 02:46, 17 January 2011 (UTC)

COMMENT:
The "Primary Power supply - Commonly the non-switched 120 Volt Alternating Current source supplied from a commercial power utility." is too specific to the US, other countries have differing voltages and as such IMO this should be something more akin to saying that it is powered from the mains using a power supply, mention of the mains voltage means nothing.

And what's "In non-residential applications, a branch circuit dedicated to the fire alarm system and its constituents. "Dedicated branch circuits" should not be confused with "Individual branch circuits" which supply energy to a single appliance." all about? Could you not simply say that the fire alarm will have its own mains supply easier, the above is a bit of a mouth full.

"Manually activated devices" adding "Break Glass units" here might also be helpful.

Mentioning the NFPA72 code, I thought that you were not to be too country specific, wouldn't it be better to say that each country has its own applicable building/fire codes? For Example the UK uses BS5859.

"Initiating Devices: This component acts as input to the fire alarm control unit and are either manually or automatically activated."

Shouldn't this be "Initiating Devices: These components act as input to the fire alarm control unit and are either manually or automatically activated." how can a single "component" "are" ? (maybe I don't know my own grammar?

Apologies if I have commented this wrongly, I'm a noob here. Cadstar_User (talk) 14:53, 28 July 2008 (UTC) (Added ref to BS5859, not that anyone outside the US cares).

Portable fire alarm appliance
Please add the following infos to the relevant articles--222.64.208.212 (talk) 04:04, 18 January 2010 (UTC)
 * http://www.google.com/search?hl=en&newwindow=1&q=portable+fire+alarm&aq=0c&oq=portafire+alarm&aqi=g-c1

--222.64.208.212 (talk) 04:03, 18 January 2010 (UTC)
 * http://images.google.com/images?hl=en&newwindow=1&q=portable+fire+alarm&um=1&ie=UTF-8&sa=N&tab=wi

--222.64.208.212 (talk) 04:07, 18 January 2010 (UTC)
 * http://www.google.com/search?hl=en&newwindow=1&q=portable+fire+alarm+apparatus&btnG=Search&aq=0&oq=portable+fire+alarm+&aqi=g1

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Fire Alarm Sounder Example image
Hey

The article mentions about fire alarm sounders.

Wouldn't it be appropriate to supply an image of a well known alarm sounder that is used throughout Europe like a Roshni perhaps?

http://www.cooperfulleon.com/products/fire-products/fire-alarm-sounders-av-units-beacons/fire-sounders/rolp--2A00:23C4:84C6:1900:79A9:3C6A:D3F4:7BEA (talk) 10:49, 21 April 2018 (UTC)