Arc Flash Hazards can result from various sources. Some of these are:
Accidential Contact with Electrical Systems
Racking and Un-racking Breakers (Overcurrent Protective Devices)
Short Circuits within Equipment and/or Conductors
These hazards can Release dangerous levels of radiant heat energy capable of causing severe burns and ignition of clothing, which can result in treatment requiring years of skin grafting, rehabilitation and even death. Spray droplets of molten metal, with the explosion distributing the molten metal and shrapnel produced by the arc over a large area. These blast can produce pressure waves that can throw workers across the room knocking them off ladders and elevated work platforms. Hearing loss can be another damaging concern due to the sound blast associagted with the arc.
Related Standards:
OSHA 29 CFR 1910.132(d)(1)
NFPA 70E
OSHS 29 CFR 1910.132(d)(1) - If an Arc Flash Hazard is present, or likely to be present, then the employer must select and require employees to use protective apparel.
NFPA 70E - Standard for Electrical Safety in the Workplace:This consensus standard defines the requirements for developing an Electrical Safety Program that includes:
Selecting PPE
Hazard Assessment
Training Requirements
Equipment Labels
Technical Power Services can provide complete services related to implementing a comprehensive Arc Flash Program that is tailored for your Company's business activities. Our services include:
Facility Inspection
Verification and Upgrading of System Drawings
Overcurrent Protective Device Settings (existing)
System Modeling
Coordination Curves (existing)
System Recommendations
Development of Electrical Safety Program
Training and Implemenmtation
Technical Power Services can provide your Arc Flash Program using either Easy Power from ESA or Power Tools for Windows by SKM. We have licenses for both programs and our Staff is highly skilled in both.


