Just Published – IEC 61482-1-1: It is once again a privilege to announce the recent publication of IEC 61482-1-1:2019 Live working – Protective clothing against the thermal hazards of an electric arc – Part 1-1: Test methods – Method 1: Determination of the arc rating…
I just returned from a CENELEC TC78 Live Working Standards meeting in Brussels, Belgium a few days ago and it occurred to me that many people may not know what CENELEC is – or does. CENELEC is the European Committee…
Ever since the 2018 Edition of IEEE 1584 – IEEE Guide for Performing Arc-Flash Hazard Calculations was published a few months ago, people continue to sift through the many changes that have occurred. One of the more significant changes is…
The most frequently asked question that I receive regarding the 2018 edition of IEEE 1584 is: “How do I determine the electrode configuration?” The 2002 edition was based on arc flash tests with the electrodes oriented in a vertical configuration.
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…
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…
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