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Underestimating Arc Flash Hazards

Blast protection is not just a fashion statement.

By Finley Ledbetter, CBS ArcSafe

underestimateThis article from Intelligent Power Today (IPT) magazine points out that while most discussions about arc flash involve the calculation methods and associated PPE, electricians have numerous ways to protect themselves and their gear, including arc-resistant equipment and remote actuation and racking systems that eliminate, rather than reduce, electrical arc-related dangers.

Similar to any energy source, an electrical circuit is a ticking bomb. A twisted pole, faulty interlock, and enough energy will turn an electrical firecracker into a mortal lightning strike. Moreover, what does the smart person do when they come upon a ticking box? They turn around and go the other way, of course. In addition, they call the authorities.

However, electricians, maintenance personnel, and inspectors are the authorities. This means that electrical workers must know causes of an arc flash, and the differences between an arc flash and an arc blast. Furthermore, electrical professionals must know how to mitigate dangers from both conditions to ensure safety.

Click here to read the full article in IPT magazine.

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