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Arc Flash Safety  
 
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Eaton recently put together a short Arc Flash video that highlights many of the analogies that are used to raise awareness for this important issue.  It’s posted on their website and you can link to it directly here http://bcove.me/5xxmduxc

 

Dan Carnovale, P.E., a Power Systems Experience Center Manager with Eaton tells us:
I thought that it would be a valuable resource for your readers as I know many of them are presently going through arc flash programs for their facilities (or their customer’s facilities).  With the new OSHA regulations in 2015, companies can no longer wait to implement a program to ensure proper training and work practices.  I know from a personal standpoint, I’ve done many things early in my career in the field taking power quality measurements that I wouldn’t attempt today as I have become aware of the dangers and risks associated with arc flash incidents and although most people would agree, there are still many who haven’t been personally affected or involved with an arc flash incident and still may not recognize the risks. 

 

Mike Holt’s comment:  In 1975, I drilled out and re-thread a cross-threaded bolt on the line-side of service equipment while it was energized. This was before we had any knowledge and studies on this topic. Watch the following video - http://www.youtube.com/watch?v=g_mzKyze4Vk.

 

 

 
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Comments

  • Please consider providing additional clarity to your audience that the 2015 OSHA regulations are applicable to the Power Generation, Transmission, and Distribution entities. Eaton doesn't make this absolutely clear in their video. Thank you https://www.osha.gov/dsg/power_generation/faqs.html Affected Establishments. The final rule affects establishments in a variety of different industries involving electric power generation, transmission, and distribution. The rule primarily affects firms that construct, operate, maintain, or repair electric power generation, transmission, or distribution installations. These firms include electric utilities, as well as contractors hired by utilities and primarily classified in the construction industry. In addition, potentially affected firms are found in a variety of manufacturing and other industries that own or operate their own electric power generation, transmission, or distribution installations as a secondary part of their business operations. The rule also affects establishments performing line-clearance tree-trimming operations.

    Chris Erickson  November 18 2015, 4:52 pm EST

    • Reply from: Steven T. Rasmussen   November 18 2015, 11:01 pm EST
    The definition of has been often misunderstood. Subpart R (1910.269)seems to apply only to public utility entities. However, distribution can occur in industrial occupancies when one understands what is utilization of energy ( subpart S) and what is Distribution (transfer of power from one area to another). Industrial occupancies must recognize that they do have distribution systems within their facilities.

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