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…
How to Perform an Arc Flash Study: What started as a slow drip a decade ago has turned into something more like a tidal wave. I’m not talking about a leaky faucet or a failing dam; I am referring to arc flash studies. Years ago, only a…
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 to wear. This approach continues to shift towards the use…
Electrical Power Training and Arc Flash Training remain even more important in a down economy. What if you had been stranded on a deserted island for the past five years? By the time you were rescued, you would have missed the explosion of social media usage, including Facebook, YouTube and Twitter, as well as advancements in smart grids and wind and solar energy—it would be more than you could imagine. You may think, “How could the industry have changed so
One sentence in the IEEE 1584 Standard, IEEE Guide for Performing Arc-Flash Hazard Calculations, frequently has people scratching their heads: Equipment below 240V need not be considered unless it involves at least one 125 kVA or larger low-impedance transformer in its immediate power supply. What does this sentence mean? What is so significant about 240 volts and 125 kilovolt-amperes? Download: 125 kVA / 240 Volt Exception About Jim Phillips: Electrical Power and Arc Flash Training Programs –
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…
Greater Distance = Greater Arc Flash Safety When a bomb goes off, the further you are from the explosion, the safer you will be. This same concept also applies if an arc flash incident occurs. Whether you are a properly…
Reduce Arc Flash Accidents Using Totally Integrated Automation: Several years ago Henry was the maintenance manager at a large manufacturing facility. He was married, had a very upbeat personality, a good position at the company, and was pleasant to be around. One day, Henry was trying to track…
Parece que cuanto más se intenta aprender sobre arcos eléctricos y seguridad eléctrica, más confuso se vuelve. Una mezcla de letras como OSHA, NFPA 70E, NEC, IEEE 1584, ASTM F1506 parece ser el lenguaje secreto que utiliza la industria de la seguridad eléctrica. ¿Quién creó esta sopa de letras de normas y cómo llegamos hasta aquí?
NFPA 70E has given a whole new meaning to the phrase “dress for success.” Correct PPE selection can make the difference if the very rare but potentially deadly arc-flash occurs. This article discusses PPE selection based on the 2004 Edition of NFPA 70E. Dress for Success – Oct 2006
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