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 Post subject: Nfpa-70e 2009
PostPosted: Mon Sep 15, 2008 6:49 am 
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Joined: Wed Mar 05, 2008 7:42 am
Posts: 16
On the NFPA web site, the new 2009 NFPA standard seems to be released.

Did anyone saw the new Annex D and the calculations. Are there significant modifications between the old standard.

Reference:
NFPA 70E®: Electrical Safety in the Workplace and Handbook Set, 2009 Edition

John


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PostPosted: Wed Sep 17, 2008 5:52 am 
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Joined: Mon Jul 23, 2007 6:49 am
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Since the 2004 70E annex calculations were mostly from IEEE 1584 and the older NFPA formulas and neither of those methods havechanged, I would imagine new 2009 70E kept the same ones.


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