Electrical Arc Flash Demonstration

nfpavideodotorg 15 videos
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36,451
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nfpavideodotorg April 07, 2009Electricians are frequently injured or killed on the job. The most common causes are shock, arc flash, and arc ...
nfpavideodotorg April 07, 2009Electricians are frequently injured or killed on the job. The most common causes are shock, arc flash, and arc blast. This test-facility footage shows an arc flash created for the video "Reducing Workplace Electrical Hazards" available from National Fire Protection Association. Steve Thomas hosts this training program based on NFPAs publication "NFPA 70E: Standard for Electrical Safety in the Workplace."
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  • this shit is nuts
  • this happened to me one time.. i laughed at the electrical box
  • Kan ik de een of andere mannier aan deze video komen? dan kan ik hem gebruiken als lesmateriaal voor de EHBO
  • I've seen this happen on a muggy day with condensed moisture on a breaker along with an inductive kickback. The only thing that saved the worker was the soft lines limiting arc current and the service entrance breaker tripping (1000 amp breaker!) He had nothing more than small particles of copper splashed on his eyeglasses. The breaker terminals were moderately melted because the flash was nowhere near as intense as the video.
  • hay he use to do this old house with steve and norm!
  • Can be something as little as a concentrated section of humid air making itself into a conductor from one leg to itself causing an arc..or a small dust particle in the air doing the same thing...the chances of it happening are most likely during an amp draw
  • Excellent
  • I know I've seen that guy somewhere before...

    Anyway, arc flash is friggin' brutal. That dummy just had his arm burnt to the bone and his eyes filled with microscopic pieces of burning steel.
  • Isn't that realy a cross phase?
  • several kiloamps!
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