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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Up-and-down_luminaire</id>
		<title>Up-and-down luminaire - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Up-and-down_luminaire"/>
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		<updated>2026-05-19T01:01:42Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.17.4</generator>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Up-and-down_luminaire&amp;diff=209915&amp;oldid=prev</id>
		<title>Designing Buildings at 12:58, 29 July 2021</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Up-and-down_luminaire&amp;diff=209915&amp;oldid=prev"/>
				<updated>2021-07-29T12:58:02Z</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;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&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 12:58, 29 July 2021&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;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ The Illustrated Guide to Electrical Building Services, Third Edition (&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;][https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ &lt;/del&gt;BG 32/2014&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;][https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ &lt;/del&gt;)], by David Bleicher &amp;amp;amp; Peter Tse, published by BSRIA in 2014, states, up-and-down luminaires (or direct-indirect luminaires): ‘…combine direct or downlighting from the reflector with indirect or up-lighting from the same or an additional light source.’&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;[https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ The Illustrated Guide to Electrical Building Services, Third Edition (BG 32/2014)], by David Bleicher &amp;amp;amp; Peter Tse, published by BSRIA in 2014, states, up-and-down luminaires (or direct-indirect luminaires): ‘…combine direct or downlighting from the reflector with indirect or up-lighting from the same or an additional light source.’&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;--[[User:BSRIA|BSRIA]]&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;--[[User:BSRIA|BSRIA]]&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=Up-and-down_luminaire&amp;diff=209914&amp;oldid=prev</id>
		<title>Designing Buildings at 12:57, 29 July 2021</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Up-and-down_luminaire&amp;diff=209914&amp;oldid=prev"/>
				<updated>2021-07-29T12:57:24Z</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;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&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 12:57, 29 July 2021&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;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ The Illustrated Guide to Electrical Building Services, Third Edition (BG &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;31&lt;/del&gt;/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2017&lt;/del&gt;)], by David Bleicher &amp;amp;amp; Peter Tse, published by BSRIA in 2014, states, up-and-down luminaires (or direct-indirect luminaires): ‘…combine direct or downlighting from the reflector with indirect or up-lighting from the same or an additional light source.’&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;[https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ The Illustrated Guide to Electrical Building Services, Third Edition (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;][https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ &lt;/ins&gt;BG &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;32/2014][https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1&lt;/ins&gt;/ )], by David Bleicher &amp;amp;amp; Peter Tse, published by BSRIA in 2014, states, up-and-down luminaires (or direct-indirect luminaires): ‘…combine direct or downlighting from the reflector with indirect or up-lighting from the same or an additional light source.’&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;--[[User:BSRIA|BSRIA]]&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;--[[User:BSRIA|BSRIA]]&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=Up-and-down_luminaire&amp;diff=209805&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;[https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ The Illustrated Guide to Electrical Building Services, ...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Up-and-down_luminaire&amp;diff=209805&amp;oldid=prev"/>
				<updated>2021-07-28T09:12:23Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;[https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ The Illustrated Guide to Electrical Building Services, ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[https://www.bsria.com/uk/product/JDdKNn/illustrated_guide_to_electrical_building_services_3rd_edition_bg_322014_a15d25e1/ The Illustrated Guide to Electrical Building Services, Third Edition (BG 31/2017)], by David Bleicher &amp;amp;amp; Peter Tse, published by BSRIA in 2014, states, up-and-down luminaires (or direct-indirect luminaires): ‘…combine direct or downlighting from the reflector with indirect or up-lighting from the same or an additional light source.’&lt;br /&gt;
&lt;br /&gt;
--[[User:BSRIA|BSRIA]]&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings Wiki =&lt;br /&gt;
&lt;br /&gt;
* Batten luminaires.&lt;br /&gt;
* BSRIA articles on Designing Buildings Wiki.&lt;br /&gt;
* BSRIA definitions.&lt;br /&gt;
* BSRIA.&lt;br /&gt;
* Downlighters.&lt;br /&gt;
* Luminaire.&lt;br /&gt;
* Luminaire efficacy.&lt;br /&gt;
* Proof luminaires.&lt;br /&gt;
* Recessed luminaires.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:DCN_Product_Knowledge]] [[Category:Definitions]] [[Category:Products_/_components]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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