Arc Flash & Electrical Safety News

Blog Author Steve Hudgik

Wednesday, February 13, 2013

How Well Do You Understand NFPA 70E?

An article this week in Plant Service magazine provides an overview of the safety requirements of NFPA 70E, and arc flash and arc blast hazards in particular.  The article notes:

"Electrical hazards are a significant safety and financial risk for electrical workers and their employers. While the threat of shock and electrocution from inadvertent contact with energized parts has long been recognized, the arc flash and arc blast hazards have only fairly recently been incorporated into the electrical safety standards. The recent focus on and awareness of arc flash and arc blast hazards will play a critical role in reducing the incidence and severity of electrical accidents over time."

You can read the article here.

Related Past Posts:
How NFPA Electrical Safety Requirements Affect Data Centers
Arc Flash Code Compliance
What Information Does NFPA 70E 2012 Require On Labels?

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posted by Steve Hudgik | This Arc Flash Post and 2 Comments |


At 9:28 AM, Anonymous Terry Whitworth said...

Wondering about exceptions for Energized working permit. Not sure if I have all information about the definition for exceptions

At 3:50 AM, Blogger Steve Hudgik said...

Thanks for the comment Terry:

There are just three exceptions. NFPA 70E (and OSHA 1910.333) allowing working on energized equipment when:

1. De-energizing would create a greater hazard. For example, de-energizing a circuit would shutdown an emergency alarm system.

2. When it is not possible to de-energize the circuit because of the equipment design or operational limitations. An example would be during diagnosis of an equipment operating problem.

3. When it is less than 50 volts.


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