![]() ![]() Practical concepts will be offered for applying equipment variables and streamlining the process of adopting the new calculation methodology. We’ll wrap up the second part of this article by discussing the relevant impact of these changes and how they affect the calculated incident energy levels that we depend on to select adequate PPE. Part II ( NETA World Summer 2022) will compare the calculation results between the 20 methods. We will review key changes to IEEE 1584 from the initial edition in 2002 to the second edition in 2018 and examine the calculation process and variables included in the calculations. I refer to this as the Jurassic Period for electrical safety. It was during this period that OSHA was formed and NFPA began developing the 70E standard. ![]() Part I includes a brief history and evolution of electrical safety over the past 50 years. And in the end, will it make a difference?.How do you determine the needed information on the equipment?.While the changes improve calculation accuracy and can enhance safety, they do require a significant amount of equipment information to be gathered and used in the calculation process. Now, three years since its release, facility owners and arc-flash service providers still debate how, when, and where to apply the new calculation methods. 1584, IEEE Guide for Performing Arc-Flash Hazard Calculations. ![]() In 2018, major changes were made to the calculations and procedures for determining arc-flash incident energy levels from the original 2002 edition of the IEEE Std. ![]()
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