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…
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…
Learn more about the Infinite Bus Method. BUY NOW Have you wondered is there a simpler way to calculate short circuit currents without a computer program? A very simplified method known by many as the “infinite bus” calculation method is…
Background of X/R Short circuit calculations are actually just an elaborate version of Ohm’s Law. One of the key components in the calculation process is to determine the total impedance of the circuit from the utility/source, through the transmission system,…
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