Arc Flash Study Top 10 FAQs Part #2: How Does Everyone Else Do This? By Jim Phillips 3-Part Series ELECTRICAL SAFETY PRACTICES Does your company or client permit energized work where the incident energy is greater than 40 calories per centimeter squared (cal/cm2)? This question is about the…
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…
By Jim Phillips Performing electrical work without being properly trained can be deadly. I have seen this hold true during numerous investigations. Many companies proactively provide employee training and refresher courses at least every 3-years. Some companies use shorter intervals…
Making Sense of the Numbers Utility Company Short-circuit Data For Arc Flash Studies Electrical Contractor Magazine – November 2012 Jim Phillips, P.E. One of the first steps in performing an arc flash hazard calculation study is to request the short-circuit…
Many safety labels use either Caution, Warning or Danger with a specific color associated with it. The U.S. National Electrical Code and NFPA 70E both reference ANSI Z535 to provide guidance regarding effective words, colors and symbols for signs and…
2018 NFPA 70E – 40 cal/cm2 Threshold (may be) Deleted: Finally! The 40 cal/cm2 threshold my finally be deleted. The For many years, the 40 cal/cm2 threshold that is part of Informational Note 3 presently found in the 2015 Edition of NFPA 70E Section 130.7(A) has been the subject of…
Webinar – Utility Short Circuit Current Data, Arc Flash Studies and Change by Jim Phillips, P.E. It goes up, it goes down, sometimes it is thought to be infinite (although it really isn’t!) and other times it seems impossible to…
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 – Qualified Workers: “Raise your right hand” Pretty intimidating words – especially if they are said in a court room and the trial is about an injury or death. – and you are on the wrong side of what happened. Let’s face it…
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