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Terry Becker
 Post subject: DC Arc Flash & Shock Information
PostPosted: Thu Feb 11, 2010 11:42 pm 
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Joined: Sun Sep 23, 2007 5:00 pm
Posts: 141
Location: Calgary, Alberta, Canada
I am at the NFPA 70E Technical Committee ROP Meetings (Report on Proposals) this week.

I am happy to report that if this information gets into NFPA 70E we will see it in CSA Z462 as well.

NFPA 70E is considering adding content to Table C(9) which is Table 4 in CSA Z462, and adding a DC Shock Approach Boundaries Table (would most likely show up after Table 1). There may also be some DC Arc Flash formulas. This would all be preliminary information based on IEEE papers, study work, and some preliminary DC arc flash study work completed by Bruce Power (THANKS!!!)

Good news to get some clarify on DC!!!

Terry Becker, P.Eng.
ESPS Electrical Safety Program Solutions INC.
terry.becker@espsi.ca
403-465-3777
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Zog
 Post subject:
PostPosted: Fri Feb 12, 2010 6:45 am 
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Joined: Mon Jun 02, 2008 11:58 am
Posts: 1103
Location: Charlotte, NC
Terry Becker wrote:
I am at the NFPA 70E Technical Committee ROP Meetings (Report on Proposals) this week.

I am happy to report that if this information gets into NFPA 70E we will see it in CSA Z462 as well.

NFPA 70E is considering adding content to Table C(9) which is Table 4 in CSA Z462, and adding a DC Shock Approach Boundaries Table (would most likely show up after Table 1). There may also be some DC Arc Flash formulas. This would all be preliminary information based on IEEE papers, study work, and some preliminary DC arc flash study work completed by Bruce Power (THANKS!!!)

Good news to get some clarify on DC!!!

Terry Becker, P.Eng.
ESPS Electrical Safety Program Solutions INC.
terry.becker@espsi.ca
403-465-3777


Thanks for the updates Terry.
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Jim Phillips (brainfiller)
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PostPosted: Fri Feb 12, 2010 7:49 am 
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Joined: Mon Sep 17, 2007 5:00 pm
Posts: 1702
Location: Scottsdale, Arizona
The DC info will be a welcome addition. I know some of the tests were done several years ago and I'm glad some of the information will finally see daylight.

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Jim Phillips, P.E.
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ghostbuster
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PostPosted: Fri Feb 12, 2010 8:43 am 

Joined: Thu Feb 11, 2010 5:51 pm
Posts: 22
Location: Great White North
That's great news.I am working on several large DC installations right now.
:)
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jimmorton
 Post subject:
PostPosted: Wed Dec 07, 2011 11:12 am 

Joined: Sat Nov 20, 2010 10:17 am
Posts: 13
Location: Victoria British Columbia
Great news Jim,

Looking forward to seeing the new information.
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Terry Becker
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PostPosted: Mon Apr 09, 2012 7:42 am 
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Joined: Sun Sep 23, 2007 5:00 pm
Posts: 141
Location: Calgary, Alberta, Canada
ETAP has released there latest revision and it includes DC arc flash.

Regards;
Terry Becker, P.Eng.
ESPS Electrical Safety Program Solutions INC.
See my LinkedIn Profile.
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