Arc Flash, Second Degree Burns (My Wife and a Chili Cookoff): Yes, you read the title correctly – Second degree burns, my wife and a chili cookoff! And it all took place at home. But, before I get into that story, let me back up a bit. Standards such as NFPA…
125 kVA – Going, going, gone! After much speculation about the fate of the 125 kVA transformer “exception”, the 2018 Edition of IEEE 1584 – IEEE Guide for Performing Arc-Flash Hazard Calculations has finally been published and made it official.
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…
Don’t Automatically Reset a Circuit Breaker that Trips!: The circuit breaker just tripped. Production is down, alarms are sounding in the background. Panic time. For many, this scenario would mean quickly re-set the circuit breaker and “see what happens.” Not the best idea – the question needs to…
Introducing the next edition of IEEE 1584 to Australia via Industrial Electrix Magazine. A short summary of major changes to IEEE 1584 and the role of one of Australia’s leading arc flash experts. Read Article…
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…
Effective Training Presentations – A Few Tips From Jim’s 35+ Years Of Experience.: For many, it is nightmare scenario. Your department manager just came by and asked you to prepare and present a short training program for a client. It doesn’t matter if it is about Electrical Safety, Arc Flash, the latest National…
Zero-Sequence Impedance and Incident Energy: A question that I am often asked either on-line or in one of my arc flash training classes is in regards to incident energy calculations and line-ground short circuit current: “Since it is possible for the line-to-ground short circuit current…
As the International Chair of IEC TC78 Live Working Committee, I am excited to announce the recent publication of the second edition of IEC Standard 61482-2 Live working – Protective clothing against the thermal hazards of an electric arc –…
The 65 th Annual IEEE-PCIC Conference will be held this year in Cincinnati, Ohio on September 24-26. This year I will have both my “IEEE hat” and “IEC hat” on and join a couple of colleagues in presenting a technical…
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