Brainfiller Videos

2018 IEEE 1584 – Enclosure Size Adjustment Factor

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

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Electrode Configuration and 2018 IEEE 1584

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

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Arc Flash, Second Degree Burns (My Wife and a Chili Cookoff)

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

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2018 IEEE 1584 – 125 kVA Transformer Exception DELETED!

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

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IEEE 1584 – Changes to the Next Edition

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

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Don’t Automatically Reset a Circuit Breaker that Trips!

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

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IEEE 1584 Article In Australia’s Industrial Electrix Magazine

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

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IEC Standard 60900 was just published.

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

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Effective Training Presentations – A Few Tips From Jim’s 35+ Years Of Experience.

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

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Zero-Sequence Impedance and Incident Energy

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

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IEC 61482-2 Second Edition Just Released!

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

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PCIC Conference – ANSI vs. IEC Short Calculations and Arc Flash Studies

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

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IEEE 1584 Status Update

I have been receiving many questions lately about the status of the next edition of the standard: IEEE 1584 – IEEE Guide for Arc-Flash Hazard Calculations. As Vice-Chair of the

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40 cal/cm^2 Deleted – But Some Confusion Remains.

When the topic of incident energy above 40 calories per square centimeter (cal/cm^2) comes up, the discussion can be quite interesting. People will sometimes refer to the high values in

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IEEE and IEC Standards Update

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

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Short Circuit Calculations with Transformer and Source Impedance

Short Circuit Calculations – Transformer and Source Impedance An infinite bus transformer short circuit calculation can be used to determine the maximum short circuit current on the secondary side of

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