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 […]

IEEE 1584 Status Update

I have been receiving many questions lately about the status of the next edition of the standard: IEEE 1584 – IEEE Guide for Arc-Flash Hazard Calculations.  As Vice-Chair of the […]

Utility Short Circuit Data – Different Formats

National Electrical Code 110.9 Interrupting Ratings states that: Equipment intended to interrupt current at fault levels shall have an interrupting rating at nominal circuit voltage at least equal to the current that […]

Arc Flash Study Top 10 FAQs Part #3

How Does Everyone Else Do This? By Jim Phillips 3-Part Series   ARC FLASH LABELS What do you list on an arc flash label when 
the prospective incident energy is […]

Arc Flash Study Top 10 FAQs Part #1

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 […]

IEEE 1584.1-2013

Question: Hello, good afternoon. Does the standard contain new information to consider for arc flash analysis? Thank you   Answer: No because we’re still on the 2002 edition. The new […]

Low Fault Current on Utility System

Here is the situation: It is a municipal system, very rural, and has long single phase runs with low fault current. For example: 2400 delta single phase lateral ends up […]

IEEE 1584 and Overdutied Breakers

I guess this directed at IEEE 1584 Committee members (Jim) and I know you can’t say too much but is overdutied breakers/equipment going to addressed in the new IEEE 1584? […]

Application range of methods in IEEE1584

Hello everyone, The application range for the empirical method is clearly defined : 208V to 15kV and a bolted fault current between 700A and 106kA. But for the theoretical method, […]

Have you ever read IEEE 1584?

Just Curious – Have you ever read IEEE 1584 – IEEE Guide for Performing Arc Flash Hazard Calculations? -All of it -Some of it -No Click to ANSWER.

Global Use of IEEE 1584

The surface area of the earth is approximately 197 million square miles, and IEEE 1584—IEEE Guide for Performing Arc-Flash Hazard Calculations has been covering more of it every day since […]

IEEE 1584 Revision Update – 201X Edition

IEEE 1584 – Where It All Began – 2002 A lot has happened since 2002 when IEEE 1584 – IEEE Guide for Arc-Flash Hazard Calculations was first published. The development […]

Working Distance Mistakes in an Arc Flash Study

The term “working distance” appears 20 times in the 2012 Edition of NFPA 70E, the Standard for Electrical Safety in the Workplace. It appears 12 more times in the annexes. The […]

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 […]

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 […]