What does ARC Flash/Blast Consist of?

  • Heat (up to 35,000 °F (19,500 °C) - more than three times the temperature at the photosphere - the visible surface of the sun)
     
  • Vaporized Copper - Toxic, expands 67,000 times in less than 1/1000th of a second.
     
  • Light - Intense UV and IR light waves
     
  • Pressure (can be higher than 2,000 lbs./sq. ft., lung damage threshold is 1728~2160 lbs./sq. ft.)
     
  • Sound (can exceed 140 dB, pain threshold is 125 dB)
     
  • Projectiles (shrapnel, molten metal)

 

alternative accessible content

Video 1: Arc Flash/Blast Animation