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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Domestic_smoke_alarms_DG525</id>
		<title>Domestic smoke alarms DG525 - Revision history</title>
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		<updated>2026-05-09T22:45:42Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Domestic_smoke_alarms_DG525&amp;diff=191073&amp;oldid=prev</id>
		<title>Designing Buildings at 08:53, 23 January 2021</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Domestic_smoke_alarms_DG525&amp;diff=191073&amp;oldid=prev"/>
				<updated>2021-01-23T08:53:06Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
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		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 08:53, 23 January 2021&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 44:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 44:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* The causes of false fire alarms in buildings.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* The causes of false fire alarms in buildings.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[Category:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Publications_/_reports&lt;/del&gt;]] [[Category:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Research_/_Innovation&lt;/del&gt;]] [[Category:DCN_Research,_Development_and_Innovation]] [[Category:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Products_&lt;/del&gt;/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;_components&lt;/del&gt;]] [[Category:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;DCN_Product_Knowledge&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[Category:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;DCN_Commentary&lt;/ins&gt;]] [[Category:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:DCN_Report&lt;/ins&gt;]] [[Category:DCN_Research,_Development_and_Innovation]] [[Category:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Publications_&lt;/ins&gt;/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;_reports&lt;/ins&gt;]] [[Category:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Research_/_Innovation]] [[Category:Products_/_components&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Domestic_smoke_alarms_DG525&amp;diff=94503&amp;oldid=prev</id>
		<title>Designing Buildings at 14:47, 3 January 2018</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Domestic_smoke_alarms_DG525&amp;diff=94503&amp;oldid=prev"/>
				<updated>2018-01-03T14:47:08Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
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		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 14:47, 3 January 2018&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;BRE (Building Research Establishment) is an independent, research-based consultancy, testing and training organisation, operating in the built environment and associated industries. [https://www.brebookshop.com/details.jsp?id=326945 Domestic smoke alarms (DG525)] was written by Emma Warren and published by BRE on 25 May 2012.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;BRE (Building Research Establishment) is an independent, research-based consultancy, testing and training organisation, operating in the built environment and associated industries. [https://www.brebookshop.com/details.jsp?id=326945 Domestic smoke alarms (DG525)] was written by Emma Warren and published by BRE on 25 May 2012.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[File:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Domestic smoke alarms DG525&lt;/del&gt;.jpg|link=https://www.brebookshop.com/details.jsp?id=326945]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[File:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Domestic_smoke_alarms_DG525&lt;/ins&gt;.jpg|link=https://www.brebookshop.com/details.jsp?id=326945]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;UK fire statistics show that you are almost twice as likely to die in a domestic fire where there is no working smoke alarm. Smoke alarms in homes are easy to use, inexpensive and can save lives giving early warning of fire, allowing occupants to safely escape. They are simple, self-contained but often interconnected units, incorporating a smoke detector, power source and alarm sounder. There are two types of domestic smoke alarm in common use: one is fitted with an ionisation smoke detector, the other with an optical or photoelectric detector.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;UK fire statistics show that you are almost twice as likely to die in a domestic fire where there is no working smoke alarm. Smoke alarms in homes are easy to use, inexpensive and can save lives giving early warning of fire, allowing occupants to safely escape. They are simple, self-contained but often interconnected units, incorporating a smoke detector, power source and alarm sounder. There are two types of domestic smoke alarm in common use: one is fitted with an ionisation smoke detector, the other with an optical or photoelectric detector.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 43:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 43:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Smoke detector.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Smoke detector.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* The causes of false fire alarms in buildings.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* The causes of false fire alarms in buildings.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Publications_/_reports]] [[Category:Research_/_Innovation]] [[Category:DCN_Research,_Development_and_Innovation]] [[Category:Products_/_components]] [[Category:DCN_Product_Knowledge]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Domestic_smoke_alarms_DG525&amp;diff=94106&amp;oldid=prev</id>
		<title>Designing Buildings at 08:34, 23 December 2017</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Domestic_smoke_alarms_DG525&amp;diff=94106&amp;oldid=prev"/>
				<updated>2017-12-23T08:34:27Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
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			&lt;col class='diff-content' /&gt;
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		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 08:34, 23 December 2017&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;BRE (Building Research Establishment) is an independent, research-based consultancy, testing and training organisation, operating in the built environment and associated industries. [https://www.brebookshop.com/details.jsp?id=326945 Domestic smoke alarms (DG525)] was written by Emma Warren and published by BRE on 25 May 2012.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;BRE (Building Research Establishment) is an independent, research-based consultancy, testing and training organisation, operating in the built environment and associated industries. [https://www.brebookshop.com/details.jsp?id=326945 Domestic smoke alarms (DG525)] was written by Emma Warren and published by BRE on 25 May 2012.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[File:Domestic smoke alarms DG525.jpg|link=https://www.brebookshop.com/details.jsp?id=326945]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;UK fire statistics show that you are almost twice as likely to die in a domestic fire where there is no working smoke alarm. Smoke alarms in homes are easy to use, inexpensive and can save lives giving early warning of fire, allowing occupants to safely escape. They are simple, self-contained but often interconnected units, incorporating a smoke detector, power source and alarm sounder. There are two types of domestic smoke alarm in common use: one is fitted with an ionisation smoke detector, the other with an optical or photoelectric detector.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;UK fire statistics show that you are almost twice as likely to die in a domestic fire where there is no working smoke alarm. Smoke alarms in homes are easy to use, inexpensive and can save lives giving early warning of fire, allowing occupants to safely escape. They are simple, self-contained but often interconnected units, incorporating a smoke detector, power source and alarm sounder. There are two types of domestic smoke alarm in common use: one is fitted with an ionisation smoke detector, the other with an optical or photoelectric detector.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Domestic_smoke_alarms_DG525&amp;diff=94104&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;BRE (Building Research Establishment) is an independent, research-based consultancy, testing and training organisation, operating in the built environment and associated industri...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Domestic_smoke_alarms_DG525&amp;diff=94104&amp;oldid=prev"/>
				<updated>2017-12-23T08:31:41Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;BRE (Building Research Establishment) is an independent, research-based consultancy, testing and training organisation, operating in the built environment and associated industri...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;BRE (Building Research Establishment) is an independent, research-based consultancy, testing and training organisation, operating in the built environment and associated industries. [https://www.brebookshop.com/details.jsp?id=326945 Domestic smoke alarms (DG525)] was written by Emma Warren and published by BRE on 25 May 2012.&lt;br /&gt;
&lt;br /&gt;
UK fire statistics show that you are almost twice as likely to die in a domestic fire where there is no working smoke alarm. Smoke alarms in homes are easy to use, inexpensive and can save lives giving early warning of fire, allowing occupants to safely escape. They are simple, self-contained but often interconnected units, incorporating a smoke detector, power source and alarm sounder. There are two types of domestic smoke alarm in common use: one is fitted with an ionisation smoke detector, the other with an optical or photoelectric detector.&lt;br /&gt;
&lt;br /&gt;
DG525 provides guidance on the types of domestic smoke alarm available, and on their correct specification, location, installation and maintenance. It reviews recommendations in the relevant regulatory guidance and the use of third-party-approved fire detection and alarm products and installers.&lt;br /&gt;
&lt;br /&gt;
It is intended for UK house builders, building control officers, specifiers, manufacturers, building owners and the fire and rescue services. It may also be of use to professionals in other countries.&lt;br /&gt;
&lt;br /&gt;
The contents of the 8 page information paper are:&lt;br /&gt;
&lt;br /&gt;
* Introduction.&lt;br /&gt;
* Types of smoke alarm.&lt;br /&gt;
* Interconnection.&lt;br /&gt;
* Power sources.&lt;br /&gt;
* Selecting smoke alarms.&lt;br /&gt;
* Specifying fire detection and alarm systems.&lt;br /&gt;
* Installation and siting.&lt;br /&gt;
* Maintenance.&lt;br /&gt;
* Summary.&lt;br /&gt;
* References.&lt;br /&gt;
&lt;br /&gt;
--[[User:BRE_Group|BRE Group]]&lt;br /&gt;
&lt;br /&gt;
= Find out more. =&lt;br /&gt;
&lt;br /&gt;
=== Related articles on Designing Buildings Wiki ===&lt;br /&gt;
&lt;br /&gt;
* BRE articles on Designing Buildings Wiki.&lt;br /&gt;
* BRE Buzz.&lt;br /&gt;
* BRE Buzz articles on Designing Buildings Wiki.&lt;br /&gt;
* BS 5839-1.&lt;br /&gt;
* Building Research Establishment.&lt;br /&gt;
* Carbon monoxide detector.&lt;br /&gt;
* Fire detection and alarm system.&lt;br /&gt;
* Fire detector.&lt;br /&gt;
* Fire.&lt;br /&gt;
* Ionisation smoke alarm.&lt;br /&gt;
* Multi-sensor alarm.&lt;br /&gt;
* Optical smoke alarm.&lt;br /&gt;
* Smoke detection in high ceiling spaces.&lt;br /&gt;
* Smoke detector.&lt;br /&gt;
* The causes of false fire alarms in buildings.&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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