I have been told there are only two Boundaries now. If this is true, what has been eliminated and what are the new values?
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Posted January 13, 2019
I have been told there are only two Boundaries now. If this is true, what has been eliminated and what are the new values?
Experienced Member
Posted February 13, 2019
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Originally Posted by Ronwilson1801
This is the table from NFPA 70E, 2004 ed.
This is the table from NFPA 70E, 2018 ed.
As you can see, they have gotten rid of the Prohibited Approach Boundary. Slight recalculations were made based on updated arc flash information and now we only need to memorize the Limited Approach and Restricted Approach Boundaries.
Member
Posted August 17, 2020
Oh wow, this is good to know. Some of the stuff I have been studying apparently was old. Thanks for posting this.
