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The McGarrh Group
  • Home
  • LOTO Procedures
  • LOTO Training
  • NFPA 70E Arc Flash
  • Machine Guarding
  • Dust Hazard Analysis DHA
  • Safety Training
  • Mock OSHA Inspections
  • Infrared Thermography
  • Industrial Hygiene
  • OSHA VPP Assistance
  • Telecommunications
  • Workplace Violence
  • Expert Witness
  • Environmental
  • Flash Fire
  • Classify Confined Spaces
  • Contact Us

NFPA 70E Arc Flash Services

NFPA 70E Risk Assessments 

Electrical Safety Training

 Electrical Safety Programs 

Contractor Risk Assessments

Electrical PPE Assessments


Contact Info@TheMcGarrhGroup.com

An Arc Flash is a dangerous condition associated with the explosive release of energy caused by an electrical arc due to either a phase to ground or phase to phase fault. This fault can result from many factors, including dropped tools, accidental contact with electrical systems, build up of conductive dust, corrosion, and improper work procedures.

NFPA 70E requires the following elements:

Arc Flash Hazard Assessment (Annex H Methodology and/or Engineering Calculations) of the entire operations.

Determination of applicable flash and shock boundaries for each electrical enclosure.

Labeling of all applicable electrical enclosures based on the findings of the arc flash hazard assessment. The labeling must specify the arc flash hazard category, flash boundary and shock boundary.

PPE determinations based on the potential energy exposure levels (cal/cm2).

Training of all Qualified Employees, Non-Qualified Employees, and Contractors.

Other elements as applicable to specific operations.


File coming soon.

Arc Flash video

Arc Flash Testing Overview Video

Video Courtesy of Westex

Arc Flash Video With Typical Uniform

Video Courtesy of Westex

Arc Flash Video With Appropriate PPE

PPE Selected After Arc Flash Assessment

Video Courtesy of Westex

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