Arc Flash Hazard Analysis

Risk assessments

Risk assessments for shock and arc flash are driven by the NFPA 70E® requirement. Risk assessments can be used to determine the voltage and shock boundaries within a facility. If the risk assessment determines that an arc flash hazard exists, Allied Reliability's electrical consultants can help you determine safe work practices, the arc flash boundary, and the required PPE.

Arc Flash Hazards

Companies are increasingly concerned with the safety of their employees and contractors who may work on hazardous electrical equipment. The most common electrical injuries come from electric shock and from arc flash.

  • Electric shock occurs when contact with live parts causes current to pass through the body to ground or to another phase.
  • The most damage occurs when current passes through the lungs, heart or brain.
  • Arc flash occurs when an electrical current passes through the air from one point to another.
  • The resulting arc can reach temperatures up to 35,000 degrees F, igniting clothing and causing severe burns.
  • Distance and protective clothing can help reduce the risk of injury caused by arc flash

Arc Flash Analysis Studies

Allied Reliability Electrical Services offers Arc Flash and Short Circuit Analysis studies which help clients comply with changing safety regulations.

  • This study details the hazards that workers encounter when working on electrical equipment and methods necessary to reduce the risk of injury.
  • Each study involves an inspection of the electrical distribution system.
  • This study includes up-to-date single line drawings of the electrical system for each type of analysis.
  • A report and safety labels indicating hazard levels.
  • The report also details required personal protection equipment (PPE) for working on specific electrical equipment.

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