Electrical Engineering: Arc Flash Hazard Analysis

An electrical Personal Protective Equipment (PPE) program is required for work on energized electrical equipment in accordance with OSHA, NEC, and NFPA 70E. The Occupational Safety and Health Administration (OSHA) requires an employer to assess the workplace and identify hazards and select personal protective equipment (PPE) that will protect the employee from the identified hazards (OSHA 1910.132).

An employer is also required to use safety signs and tags to warn employees about electrical hazards (OSHA 910.335).

The primary regulations are in 29CFR 1910 Subparts I and S. These can be broken down into three general areas:

  • Hazard identification and PPE selection
  • Training
  • Proficiency

If work must be performed on energized equipment, NFPA 70E section 130 gives other instructions on permitting and setting safe work practices. Section 130.3 states “A flash hazard analysis shall be done in order to protect personnel from the possibility of being injured by an arc flash.”

We have extensive experience in performing arc flash hazard studies for our clients. Our experience includes industrial sites with more than 30 buildings, multi-story office buildings, individual pieces of equipment and single power distribution panels.

We can provide:

  • NFPA 70E compliant arc flash hazard studies
  • Short circuit studies
  • Site wide protective device coordination studies
  • Load flow analysis
  • Mitigation of equipment marked with high arc flash energy levels
  • Protective device selection
  • Arc flash training
  • Electrical safety training

Safety is defined as “freedom from the occurrence or risk of injury or danger”. At LOC, our goal is not only to assist you in performing and implementing an arc flash hazard analysis at your facility, but to help in making your place of work a safe place for all employees, contractors, vendors and visitors. The purpose of working safely is not only to meet regulations but to keep your employees free from harm, maximize production and help you meet your goals!

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