Electrode Configuration and 2018 IEEE 1584
The most frequently asked question that I receive regarding the 2018 edition of IEEE 1584 is: “How do I determine the electrode configuration?” The 2002 edition was based on arc […]
2018 IEEE 1584 – 125 kVA Transformer Exception DELETED!
125 kVA – Going, going, gone! After much speculation about the fate of the 125 kVA transformer “exception”, the 2018 Edition of IEEE 1584 – IEEE Guide for Performing Arc-Flash […]
New to Arc Flash, Short Circuit and Coordination studies
Hi. I currently work as an Engineer in the energy management field. I would like to branch off in to doing Arc Flash, Short Circuit and Coordination Studies. How would […]
Harmonic Correction Unit?
Would a Harmonic Correction Unit impact the incident energy during an arc flash in an MCC line-up? READ ANSWER
2015 NFPA 70E – 10 Item Check Up
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. […]
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 […]
NFPA 70E – 2015 Edition – Update of Changes
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 […]
NFPA 70E Major Updates for the 2012 Edition – Part 2.
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 […]
Arc Flash Hazard Calculation Studies
In the earlier years of NFPA 70E and the emergence of arc flash protection requirements, many people would use the NFPA 70E Hazard/Risk Tables to determine what arc rated PPE […]
Arc Blast and 40 calories/centimeter squared
You look at the arc flash warning label and scratch your head. Danger! No PPE Category Found. No personal protective equipment (PPE) category? Now what? This type of language is […]
Coordination and NEC 240.87
NEC 240.87 has addressed a potentially hazardous situation beginning with the 2011 edition. When selective coordination is critical, e.g., minimizing the extent of an outage, a common design practice is to use […]
How to Perform an Arc Flash Calculation Study
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. Arc […]
Simplifying Arc Flash Studies – Select the Arc Rating First
Begin at the End – What Answer Would You like to Have? Simplifying the arc flash study – Would you like to know a little secret about how to simplify an […]
