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 Post subject: good references
PostPosted: Sun Apr 17, 2011 9:17 pm 
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I am doin an essay on nfpa 70E and I need to find a few articals about arc flash incidences, any suggestions?


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PostPosted: Mon Apr 18, 2011 4:38 am 
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Google and if you go to http://www.easypower.com there is information. Most of the major vendors/manufacturer's of PPE, software and other equipment associated with arc flash hazard analysis and protection will have information on their websites

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PostPosted: Mon Apr 18, 2011 9:20 am 
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There are several here
http://arcflashforum.com/forumdisplay.php?f=11


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PostPosted: Tue Apr 19, 2011 12:53 pm 
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I had been skeptical of the popular statistic that arc flashes injure hundreds of people daily, weekly or yearly. A few years ago I setup a Google News Alert for "electrical explosion" and "manhole explosion". (The news alert for "arc flash" mostly returned sales information.) My analysis shows about two or three reported arc flashes a week, in the English speaking world.
When I get some free time I'm going to setup a web page with all the AF news articles.

Some recent AFs:
http://abclocal.go.com/kabc/story?section=news/local/los_angeles&id=8079337
http://pottsmerc.com/articles/2011/04/18/news/doc4dac331b3bbe0868145973.txt
http://abclocal.go.com/kabc/story?section=news/local/los_angeles&id=8076757
http://www.foxreno.com/news/27345821/detail.html
http://www.accentadvocate.com/campus-beat/neglected-unit-threatens-campus-1.2519992
http://www.suntimes.com/4396070-417/two-teens-injured-after-explosion-on-hospital-roof.html
http://www.wbaltv.com/news/27266843/detail.html
http://www.surreycomet.co.uk/news/8922728.Improvement_for_workman_in_electrical_explosion/
http://www.thisisleicestershire.co.uk/news/Man-hurt-power-cut-explosion/article-3325986-detail/article.html
http://www.fox19.com/Global/story.asp?S=14215649


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PostPosted: Wed Apr 20, 2011 6:31 am 
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Far from every arc flash injury or even death are reported in the news.

Here in the province of Québec, there are about a hundred deaths while on the job per year (the local occupational safety commission says one every 4 days). I'm not talking about lung cancer or such, only accidents causing the death of a worker. Not all of them are reported in the news, even the local weekly newspaper. There are maybe 2 per months which are reported in the news. So if you add on top of that all the injuries which do not result in death, the hidden number can be quite high.

For occupational safety statistics, you must trust your state's or provincial occupational safety commission. Not all of them report the same kind of stats: some will sort them by injury, others by original cause. So a broken leg caused by a fall of 25' which itself was caused by an electrical shock while replacing a live ballast could be filed in different places depending on the local commission (broken leg, or fall, or electrical shock).

Ontario's ESA has a pretty good annual report about electrical accidents (not only those on the job). Québec's CSST does not. I don't know for other provinces/states.


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