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	<title>Comments on: The evolution of the On/Off power switch symbol</title>
	<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/</link>
	<description>Nathan Zeldes blogs on everyday product design</description>
	<pubDate>Thu, 21 Aug 2008 02:08:27 +0000</pubDate>
	<generator>http://wordpress.org/?v=2.3.3</generator>
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		<title>By: Gilbert Renaut</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-791</link>
		<dc:creator>Gilbert Renaut</dc:creator>
		<pubDate>Sun, 17 Aug 2008 17:35:37 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-791</guid>
		<description>There's a place in England that's called "Hill Hill Hill" in three different languages, but I can't remember what it is.  Thanks for this, I am setting up a new desktop, and one speaker said don't plug this in with the power switch on, and I didn't know which was on.</description>
		<content:encoded><![CDATA[<p>There&#8217;s a place in England that&#8217;s called &#8220;Hill Hill Hill&#8221; in three different languages, but I can&#8217;t remember what it is.  Thanks for this, I am setting up a new desktop, and one speaker said don&#8217;t plug this in with the power switch on, and I didn&#8217;t know which was on.</p>
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		<title>By: Nathan Zeldes</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-659</link>
		<dc:creator>Nathan Zeldes</dc:creator>
		<pubDate>Wed, 30 Jul 2008 13:39:56 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-659</guid>
		<description>'1' depressed on the rocker switch meant "on", John.</description>
		<content:encoded><![CDATA[<p>&#8216;1&#8242; depressed on the rocker switch meant &#8220;on&#8221;, John.</p>
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		<title>By: john f hubert</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-658</link>
		<dc:creator>john f hubert</dc:creator>
		<pubDate>Wed, 30 Jul 2008 12:06:55 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-658</guid>
		<description>I am a dummy.  Is '1' depressed on the rocker switch on or off?</description>
		<content:encoded><![CDATA[<p>I am a dummy.  Is &#8216;1&#8242; depressed on the rocker switch on or off?</p>
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		<title>By: Peter-John Taylor</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-531</link>
		<dc:creator>Peter-John Taylor</dc:creator>
		<pubDate>Sat, 19 Jul 2008 12:55:58 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-531</guid>
		<description>Excellent, informative and timely post Nathan!

We'd be very interested to know your thoughts on the matter of poor power switch design and function in general and especially what you think about "Bad design on a UPS" posted by Saaed at
http://onproductmanagement.wordpress.com/category/business-topics/product-management/ 

He writes "Last year, I got my hands on a pretty good UPS for my home computer network. It’s from APC. The model # is the XS1200. It’s a good UPS [which] can take 8 devices plugged into it. Six are managed, two are surge protected only. I’ve got all my critical devices plugged into it including my desktop computer, monitor, cable modem, router, some kind of phone/cable switching device (I get my home phone service through my cable provider), and a couple of other things.

Now, this is a great device except for one fatal flaw. The round circle on the front is the on/off switch for the UPS. It’s also a very sensitive switch. It doesn’t take more than the soft fingers of a 2 year old child to turn it off. Yes, to turn the whole darn UPS and all 8 devices connected to it off! … I’m sure you can picture what has happened more than once.”

See APC's reply at: 
http://www.apc-forums.com/thread.jspa?messageID=8068&#38;tstart=0</description>
		<content:encoded><![CDATA[<p>Excellent, informative and timely post Nathan!</p>
<p>We&#8217;d be very interested to know your thoughts on the matter of poor power switch design and function in general and especially what you think about &#8220;Bad design on a UPS&#8221; posted by Saaed at<br />
<a href="http://onproductmanagement.wordpress.com/category/business-topics/product-management/" rel="nofollow">http://onproductmanagement.wordpress.com/category/business-topics/product-management/</a> </p>
<p>He writes &#8220;Last year, I got my hands on a pretty good UPS for my home computer network. It’s from APC. The model # is the XS1200. It’s a good UPS [which] can take 8 devices plugged into it. Six are managed, two are surge protected only. I’ve got all my critical devices plugged into it including my desktop computer, monitor, cable modem, router, some kind of phone/cable switching device (I get my home phone service through my cable provider), and a couple of other things.</p>
<p>Now, this is a great device except for one fatal flaw. The round circle on the front is the on/off switch for the UPS. It’s also a very sensitive switch. It doesn’t take more than the soft fingers of a 2 year old child to turn it off. Yes, to turn the whole darn UPS and all 8 devices connected to it off! … I’m sure you can picture what has happened more than once.”</p>
<p>See APC&#8217;s reply at:<br />
<a href="http://www.apc-forums.com/thread.jspa?messageID=8068&amp;tstart=0" rel="nofollow">http://www.apc-forums.com/thread.jspa?messageID=8068&amp;tstart=0</a></p>
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		<title>By: Arol</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-401</link>
		<dc:creator>Arol</dc:creator>
		<pubDate>Wed, 02 Jul 2008 05:29:53 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-401</guid>
		<description>I hope this help us to understand.

http://en.wikipedia.org/wiki/Power_symbol</description>
		<content:encoded><![CDATA[<p>I hope this help us to understand.</p>
<p><a href="http://en.wikipedia.org/wiki/Power_symbol" rel="nofollow">http://en.wikipedia.org/wiki/Power_symbol</a></p>
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		<title>By: Robert</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-377</link>
		<dc:creator>Robert</dc:creator>
		<pubDate>Fri, 20 Jun 2008 17:01:09 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-377</guid>
		<description>Here is an explanation from IEC and ISO.

Related to the 0 with a broken ring and a 1 through it. It is soft off.
&#62;&#62;
For use on a power switch or button if the off state is soft-off, is variable, is not
known, or the distinction from hard-off is not important. Also for use with a
power indicator, or as the icon for the power control panel.
&#62;&#62;</description>
		<content:encoded><![CDATA[<p>Here is an explanation from IEC and ISO.</p>
<p>Related to the 0 with a broken ring and a 1 through it. It is soft off.<br />
&gt;&gt;<br />
For use on a power switch or button if the off state is soft-off, is variable, is not<br />
known, or the distinction from hard-off is not important. Also for use with a<br />
power indicator, or as the icon for the power control panel.<br />
&gt;&gt;</p>
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		<title>By: Jeff</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-354</link>
		<dc:creator>Jeff</dc:creator>
		<pubDate>Sun, 15 Jun 2008 03:42:06 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-354</guid>
		<description>I used to think the 1 and the 0 symbols were retarded because nowhere are you told what either one meant. Now that i know that the 1 is a 1 and not just a line ,its not so retarded after all.
Thank you for setting me straight on these alien symbols.</description>
		<content:encoded><![CDATA[<p>I used to think the 1 and the 0 symbols were retarded because nowhere are you told what either one meant. Now that i know that the 1 is a 1 and not just a line ,its not so retarded after all.<br />
Thank you for setting me straight on these alien symbols.</p>
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		<title>By: Nick</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-319</link>
		<dc:creator>Nick</dc:creator>
		<pubDate>Thu, 05 Jun 2008 18:42:26 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-319</guid>
		<description>i believe the bastardized version of the on off switch actually is also a reset button. So rather than make another symbol for reset the decided to go with on /onoff i think it would make more sense to put on/onoff/off.</description>
		<content:encoded><![CDATA[<p>i believe the bastardized version of the on off switch actually is also a reset button. So rather than make another symbol for reset the decided to go with on /onoff i think it would make more sense to put on/onoff/off.</p>
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		<title>By: What does the on/off glyph represent? &#171; Useology</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-194</link>
		<dc:creator>What does the on/off glyph represent? &#171; Useology</dc:creator>
		<pubDate>Thu, 08 May 2008 17:21:02 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-194</guid>
		<description>[...] May 8, 2008   Nathan Zeldes has a very cool article on the history of the On/Off power switch glyph. [...]</description>
		<content:encoded><![CDATA[<p>[&#8230;] May 8, 2008   Nathan Zeldes has a very cool article on the history of the On/Off power switch glyph. [&#8230;]</p>
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		<title>By: Dominic Tramontana</title>
		<link>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-187</link>
		<dc:creator>Dominic Tramontana</dc:creator>
		<pubDate>Thu, 08 May 2008 01:38:23 +0000</pubDate>
		<guid>http://designblog.nzeldes.com/2008/05/the-evolution-of-the-onoff-power-switch-symbol/#comment-187</guid>
		<description>Awesome post, Nathan!</description>
		<content:encoded><![CDATA[<p>Awesome post, Nathan!</p>
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