Arc Flash: Then vs. Now

November 4, 2016  |  Gerry Donahue

The electrical professional’s knowledge of arc flash is continually changing. Arc flash was a subject barely discussed 20 years ago in workplace safety. Now it is a critical component for all employees. As it evolves, it is vitally important that the electrical system owner, electrical engineer, and employee be aware of the hazards and methods to effectively evaluate and minimize their risks. There are several key standards and codes that provide a process to evaluate | Read More

Classification of Arc Flash Hazards

November 4, 2016  |  Stephen Byers

What we have learned in the past decade while performing flash hazard studies is that there is no ‘One Size Fits All’ method when it comes to classifying the hazard levels at equipment and its subsequent labeling. While NFPA 70E provides general guidelines on what minimum information should be included on a label (see 130.6(D)), there is still a considerable amount of flexibility on how equipment may be labeled and categorized. The more traditional approach, | Read More