Technical Articles

How to Perform an Arc Flash Study – Part 1
Based on the Latest Edition of IEEE 1584

December 21, 2021

How to Perform an Arc Flash Study – Part 1
Based on the Latest Edition of IEEE 1584: What is an arc flash study sometimes known as an arc flash assessment? Performing an arc flash analysis can be complex enough but the latest edition of IEEE 1584 – IEEE Guide for Performing Arc-Flash Hazard Calculations has taken it…

Warning! No Arc Flash Hazard Exists!

March 23, 2021

Warning! No Arc Flash Hazard Exists!: I’m sure that title raised a few eyebrows but before you send me an email telling me how I got this wrong, hang in there for the rest of the thought. I receive questions about this phrase on a pretty…

2021 NFPA 70E – Major Changes

July 16, 2020

Jim Phillips, P.E. Every three years I have the privilege of writing the NFPA 70E Changes article for National Electrical Contractor Association’s magazine: Electrical Contractor . The NFPA 70E 2021 edition of this standard will be available September 4, 2020…

2021 NFPA 70E – Review of Major Changes

May 20, 2020

2021 NFPA 70E – Major Changes By Jim Phillips The 2021 Edition of NFPA 70E is right around the corner and with it – many changes. Every three years I have the privilege of writing about the upcoming changes for…

Captain Murphy, Dirty Harry and Electrical Safety

May 19, 2020

Rocket Sled that Inspired “Murphy’s Law” OK, not the most professional sounding title for an article about electrical safety. But play along, you will be able to connect the dots rather quickly. Captain Murphy Around seventy years ago, Captain Murphy…

Plasma – Modify the Arc Rating or Modify the Incident Energy Calculations?

April 20, 2020

Plasma – Modify the Arc Rating or Modify the Incident Energy Calculations? I am frequently asked questions about the application of the 2018 edition of IEEE 1584 – especially electrode configurations and more specifically, about HCB (Horizontal Conductors/Electrodes inside a…

Case Study – Arc Flash While Switching – Normal Operation?

February 18, 2020

Case Study – Arc Flash While Switching – Normal Operation?: A common question that I often hear in my NFPA 70E and IEEE 1584 Arc Flash Studies training courses is: “Can simply operating a device such as a fusible switch or circuit breaker cause an arc flash?” I respond to…

Cookie	Duration	Description
cookielawinfo-checbox-analytics	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checbox-functional	11 months	The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checbox-others	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-necessary	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-performance	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy	11 months	The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.

Technical Articles

How to Perform an Arc Flash Study – Part 1
Based on the Latest Edition of IEEE 1584

Warning! No Arc Flash Hazard Exists!

2021 NFPA 70E – Major Changes

2021 NFPA 70E – Review of Major Changes

Captain Murphy, Dirty Harry and Electrical Safety

Plasma – Modify the Arc Rating or Modify the Incident Energy Calculations?

Case Study – Arc Flash While Switching – Normal Operation?

IEEE 3000 Series Standards – Update

DC Arc Flash Calculations

Evolution of Arcing Short Circuit Current Calculations

Recent Posts

9.0 Earthquake | Fukushima | Arc Flash | and Me

Impedance Grounding and Arc Flash

When Horizontal Bus is NOT HCB

Arcing Fault Current, NFPA 70E and IEEE 1584

NFPA 70E and Arc-Flash Calculations Above 15 kV

Why NFPA 70E Labels Aren’t Always Consistent

Categories

Categories