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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Colour_changing_controls</id>
		<title>Colour changing controls - Revision history</title>
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		<updated>2026-05-31T09:00:35Z</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=Colour_changing_controls&amp;diff=259473&amp;oldid=prev</id>
		<title>Designing Buildings at 09:22, 8 August 2023</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Colour_changing_controls&amp;diff=259473&amp;oldid=prev"/>
				<updated>2023-08-08T09:22:54Z</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 09:22, 8 August 2023&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/DJLLPr/guide_to_controls_bg832023_a15d25e1/ Guide to Controls (BG 83/2023)] written by John Marrow and published by BSRIA in June 2023, states in relation to colour changing controls A lack of natural daylight has been linked with causing a lack of information needed for the human circadian rhythm to function properly. Controls are available which vary the colour temperature of LED luminaires from warm white (approximately 3000 K) to cool white (approximately 6500 K). These are sometimes known as tunable white controls. If the right colour temperature and illuminance are achieved, artificial light can promote human wellbeing in areas such as offices, schools, universities, hospitals and care homes.’&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/DJLLPr/guide_to_controls_bg832023_a15d25e1/ Guide to Controls (BG 83/2023)] written by John Marrow and published by BSRIA in June 2023, states in relation to colour changing controls&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;: '&lt;/ins&gt;A lack of natural daylight has been linked with causing a lack of information needed for the human circadian rhythm to function properly. Controls are available which vary the colour temperature of LED luminaires from warm white (approximately 3000 K) to cool white (approximately 6500 K). These are sometimes known as tunable white controls. If the right colour temperature and illuminance are achieved, artificial light can promote human wellbeing in areas such as offices, schools, universities, hospitals and care homes.’&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=Colour_changing_controls&amp;diff=259472&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;[https://www.bsria.com/uk/product/DJLLPr/guide_to_controls_bg832023_a15d25e1/ Guide to Controls (BG 83/2023)] written by John Marrow and published by BSRIA in June 2023, states i...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Colour_changing_controls&amp;diff=259472&amp;oldid=prev"/>
				<updated>2023-08-08T09:21:47Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;[https://www.bsria.com/uk/product/DJLLPr/guide_to_controls_bg832023_a15d25e1/ Guide to Controls (BG 83/2023)] written by John Marrow and published by BSRIA in June 2023, states i...&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/DJLLPr/guide_to_controls_bg832023_a15d25e1/ Guide to Controls (BG 83/2023)] written by John Marrow and published by BSRIA in June 2023, states in relation to colour changing controls A lack of natural daylight has been linked with causing a lack of information needed for the human circadian rhythm to function properly. Controls are available which vary the colour temperature of LED luminaires from warm white (approximately 3000 K) to cool white (approximately 6500 K). These are sometimes known as tunable white controls. If the right colour temperature and illuminance are achieved, artificial light can promote human wellbeing in areas such as offices, schools, universities, hospitals and care homes.’&lt;br /&gt;
&lt;br /&gt;
--[[User:BSRIA|BSRIA]]&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings =&lt;br /&gt;
&lt;br /&gt;
* BSRIA articles.&lt;br /&gt;
* BSRIA definitions.&lt;br /&gt;
* BSRIA Guide to Controls BG83/2023.&lt;br /&gt;
* Building management systems.&lt;br /&gt;
* Building services.&lt;br /&gt;
* Control.&lt;br /&gt;
* Colour.&lt;br /&gt;
* Lighting.&lt;br /&gt;
* Smart buildings.&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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