By Jim Phillips The 2017 National Electrical Code (NEC) contains several changes regarding arc flash: Download FREE Arc Flash Calculations 110.16(B) Arc-Flash Hazard Warning of Service Equipment 240.87 Arc Energy Reduction (Circuit Breakers) 240.67 Arc Energy Reduction (Fuses) The severity…
2018 NFPA 70E Update – What’s New? What’s Changed?: Published: June 2017 By Jim Phillips Based on Jim’s article originally published in the May 2017 Issue of Electrical Contractor Magazine . It is hard to imagine that three years have passed since I wrote the 2015 NFPA 70E update…
How Does Everyone Else Do This? By Jim Phillips 3-Part Series There are many frequently asked questions about performing an arc flash study (risk assessment) and understanding electrical safety requirements. A careful read of standards such as NPFA 70E or…
With the 2015 Edition of NFPA 70E being published and all of the changes that it brings, it is time to review your arc flash study, labels and overall practices. There are many key areas that should be evaluated. Here…
Specifying Arc Flash Studies and IEEE 1584.1: An arc flash study can be a bit complicated if you are new to this field. Knowing where to begin, what to include, how far to go, how to use the software etc. can seem like an insurmountable undertaking. WORSE…
NFPA 70E – Standard for Electrical Safety in the Workplace, was first published in 1979 and consisted of only one part, The 2015 Edition marks the tenth edition to NFPA 70E and with it, many sweeping changes. This article provides…
“What do you mean we need to relabel the electrical equipment? Didn’t we just do this a few years ago?” This is a pretty common response when addressing the requirements of NFPA 70E 130.5(2), which necessitate that the arc-flash risk…
Although beginning with an erratic schedule with revisions to NFPA 70E being spaced anywhere from 2 to 5 years apart, this very important electrical safety standard is now on a regular 3 year revision cycle. In early 2011, I wrote…
This article by Jim Phillips provides an overview of how to perform an arc flash study. It was originally presented at the 2010 NETA Conference. InterNational Electrical Testing Association. BUY NOW Arc Flash Calculation Study Many separate codes, standards and…
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