It has been sixteen long years since IEEE 1584 – IEEE Guide for Performing Arc-Flash Hazard Calculations was first published in 2002. This standard was highly celebrated back then because for the first time there was an internationally recognized standard…
The fourth edition of IEC Standard 60900 Live working – Hand tools for use up to 1,000 V AC and 1,500 V DC was just published. This standard is applicable to insulated, insulating and hybrid hand tools used for working…
By Jim Phillips March has been a busy month for me with Standards Committee work. I just returned home from three weeks of travel that included IEEE Standards meetings in Ft. Worth, Texas and various IEC meetings held at British…
Almost half of the pages in the 2018 edition of NFPA 70E are devoted to 17 informative annexes. Even though technically the annexes are not part of the mandatory text, there is an incredible amount of additional information, examples and…
New Exception 130.5(H) Exception No. 2 – Arc Flash Hazard Label Information May Not Be Required. It is amazing how the requirements for arc flash labeling have evolved with each new edition of NFPA 70E. Known as Arc Flash Warning…
The 2018 Edition of NFPA 70 provides a new definition for the term “Condition of Maintenance” : BUY NOW: 2018 NFPA 70E Changes Part 1 The state of the electrical equipment considering the manufacturers’ instructions, manufacturers’ recommendations, and applicable industry…
By Jim Phillips, P.E. International Chairman IEC TC 78 As the International Chairman of IEC TC 78, a frequent question that I receive is “What is IEC TC 78?” IEC is the acronym for the International Electrotechnical Commission based in…
By Jim Phillips The 2017 National Electrical Code (NEC) contains several changes regarding arc flash: Download FREE Arc Flash Calculations 110.16(B) Arc-Flash Hazard Warning of Service Equipment 240.87 Arc Energy Reduction (Circuit Breakers) 240.67 Arc Energy Reduction (Fuses) The severity…
2018 NFPA 70E Update – What’s New? What’s Changed?: Published: June 2017 By Jim Phillips Based on Jim’s article originally published in the May 2017 Issue of Electrical Contractor Magazine . It is hard to imagine that three years have passed since I wrote the 2015 NFPA 70E update…
Arc Flash Study Top 10 FAQs Part #2: How Does Everyone Else Do This? By Jim Phillips 3-Part Series ELECTRICAL SAFETY PRACTICES Does your company or client permit energized work where the incident energy is greater than 40 calories per centimeter squared (cal/cm2)? This question is about the…
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