This article was posted 01/16/2006 and is most likely outdated.

Electrical Safety Should Never Take a Holiday
 

 
Topic - Safety
Subject - Electrical Safety Should Never Take a Holiday

January 16, 2005 

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Electrical Safety Should Never Take a Holiday

 

In the day-to-day operations of electrical maintenance, routine tasks are performed to minimize or eliminate unscheduled shutdowns. The following incident is based on an actual event that resulted in tragic consequences for the workers involved. I have modified some of the details of this incident to respect the confidentiality of the parties involved. What makes this story so significant is that, according to Department of Labor statistics, this type of injury happens at least five times each day and never takes off weekends or holidays.

 

By Ken Mastrullo NFPA - “Ken’s Safety Section,” NEC Digest, Spring 2004

 

Mike Holt Comments: I suggest you view this video clip before continuing on to read the rest of the story.

 

 
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Comments

  • Is any of the following data available on the electrical system for the accident video?

    1. Calculated arc flash energy at 18, 24, and 30 inches in cal/cm sq 2. Calculated bolted fault current 3 Calculated arcing current 4. Arc duration from the TCC Curves for the upstream protective device 5. Basic singleline drawing.

    This information would aid in stressing the hazard in similar situations.

    Thank you for the fantastic articles and for any of the above information. I am a PE and perform Arc Flash studies.

    DAVID V. CONNER
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