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Arc Flash Training
How to Perform an Arc Flash Study – IEEE 1584 - 2nd Edition

Arc Flash Studies IEEE 1584 Training

  • 16 PDHs | 1.6 CEUs

  • 23 Video Modules
  • 15 Detailed Arc Flash Calculation Problems
  • Jim Phillips’ Arc Flash Calculation Worksheets
  • Final Quiz – Minimum Score of 70% Required for Continuing Education Credit
  • Take the quiz as many times as you need
  • Certificate of Completion with PDH/CEU Credit
  • No Time Limit
  • Program does NOT expire
  • Store this program in your personal library for future reference
  • WATCH the Video Preview on the left
See List of Video Modules

Jim Phillips takes you on a deep dive with the 2018 Edition of IEEE 1584 – Guide for Performing Arc-Flash Studies. In this 16-hour online training class, he takes you behind the scenes and answers “why” when it comes to this standard.

Highlights of the Major Changes Include:

  • Five different electrode configurations to enable more detailed modeling
  • Vertical electrodes in a metal box/enclosure – VCB (also in 2002 Edition)
  • Vertical electrodes terminated in an insulating barrier in a metal box/enclosure – VCCB
  • Horizontal electrodes in a metal box/enclosure – HCB
  • Vertical electrodes in open air – VOA (also in 2002 Edition)
  • Horizontal electrodes in open air – HOA
  • More choices for enclosure types and sizes
  • Enclosure correction factor calculation to adjust for specific enclosure size
  • The effect of grounding has been eliminated
  • An arcing current variation factor calculation replaces the 85% factor
  • Calculations are performed at 1 of 3 voltage levels with interpolation to actual voltage
  • The 125 kVA transformer exception was replaced.
 
Using his ever popular calculation worksheets, Jim takes you through arc flash calculation training with many example problems to illustrate using the equations, k constants and the effect of parameters such as enclosure size, electrode configuration, voltage and more. Each calculation is performed in 2 steps which includes an initial calculation based on one of three voltage levels and a second calculation interpolating to the specific system voltage.  The 125 kVA “exception” was replaced.  Learn why and what has replaced it.  What about the 2 second rule?  Jim discusses all this and much more in this arc flash analysis training.
IEEE Guide for Performing Arc-Flash Hazard Calculations

Preview the Course

About the Instructor - Jim Phillips, P.E.

Jim Phillips - main photo

For 40+ years, Jim has been helping tens of thousands of people around the world understand electrical power system design, analysis and safety. Having taught over 3000 classes during his career to people from all seven continents (Yes Antarctica is included!), he has developed a reputation for being one of the best trainers and public speakers in the electric power industry. His unique insider’s perspective is based on:

  • Over Four Decades in the Industry
  • Vice Chair: IEEE 1584 Guide for Performing Arc-Flash Hazard Calculations.
  • International Chair: IEC TC78 Live Working – 40 + Standards and Documents
  • Technical Committee Member: NFPA 70E Standard for Electrical Safety in the Workplace
  • Committee Member US National Electrical Code CMP-4
  • Steering Committee: IEEE/NFPA Arc Flash Research Collaboration
  • Author: “How Guide to Perform Arc Flash Hazard Calculations”
  • Contributing Editor: NECA’s multi-award-winning Electrical Contractor Magazine
  • Member: ASTM F18 Committee.

Jim is not just another trainer reading a script, he is actively involved with the US and International standards including IEEE 1584 and NFPA 70E.  When he is asked questions about some topics, Jim’s explanations often run along the line of “Well, here’s what happened in the lab when we blew it up…” or “Here is why it was written in a particular way”

Read Jim’s article outlining the major changes to IEEE 1584 [Read Article]

Online Arc Flash Training
How to Perform an Arc Flash Study - IEEE 1584​
On Demand Class Agenda - 16 PDHs / 1.6 CEUs​

  • ARC FLASH AND OTHER ELECTRICAL HAZARDS
    Physiological Effects, Electrocution, Tissue Damage, Internal Organ Damage, Burns Fibrillation, “Curable” 2nd Degree Burn
  • CODES AND STANDARDS
    OSHA 29 CFR – Part 1910, Subpart S, NFPA 70, National Electrical Code®, 2018 NFPA 70E, (CSA Z462 for Canada Classes) Standard for Electrical Safety in the Workplace, 2018 IEEE Standard 1584™, IEEE Guide for Performing Arc Flash Hazard Calculations, Legal Requirements, Liability
  • 2018 EDITION – IEEE 1584 – DEVELOPMENT
    History of the Development of the 2018 IEEE 1584, IEEE/NFPA Collaboration, Working Group and Project Team, Almost 2000 New Arc Flash Tests, What Took So Long? Range of Applicability, Data Requirements, Study Process, Table of Results for the Arc Flash Study Report.
  • ARC FLASH CIRCUIT DYNAMICS 
    Arcing Faults vs. Bolted Faults, Effect of Current on Overcurrent Device Clearing Time, Current Limitation, Effect of Transformer Size and Source Strength
  • MODELING THE ARC FLASH STUDY
    One-Line, Data, System Configuration, Multiple Sources
  • ELECTRIC UTILITY COMPANY DATA
    What data should be requested, minimum and maximum fault current, why not to use infinite bus calculations, what if the data can not be obtained?
  • OVERVIEW OF CHANGES TO THE 2018 IEEE 1584
    Introduction and Summary of the Major Changes
  • ELECTRODE CONFIGURATIONS
    VCB – Vertical electrodes in a metal box/enclosure, VCCB Vertical electrodes terminated in an insulating barrier in a metal box/enclosure, HCB – Horizontal electrodes in a metal box/enclosure, VOA – Vertical electrodes in open air, HOA – Horizontal electrodes in open air
  • ARCING SHORT CIRCUIT CURRENT CALCULATIONS– LOW VOLTAGE
    Calculation of Intermediate Average Arcing Current, Calculation Final Arcing Current – Interpolate for Voltage, Coefficients, Data
  • ENCLOSURE SIZES AND TYPES
    New Enclosures, Sizes and Types, Gap Distances
  • ENCLOSURE SIZE CORRECTION FACTOR CALCULATIONS
    Determining Correction Factor for Enclosure Size.  Shallow vs. Typical Enclosure
  • WORKING DISTANCE
    Selection of Working Distance for Incident Energy Calculations
  • ARC DURATION
    Using Time Current Curves, 2 Second Cut Off, Arc Sustainability, 125 kVA Transformer Exception Deletion – Why?
  • INCIDENT ENERGY CALCULATIONS – LOW VOLTAGE
    Calculation of Intermediate Incident Energy, Calculation of Final Incident Energy – Interpolate for Voltage, Coefficients, Data
  • ARC FLASH BOUNDARY CALCULATIONS – LOW VOLTAGE
    Calculation of Intermediate Arc Flash Boundary, Calculation of Final Arc Flash Boundary – Interpolate for Voltage, Coefficients, Data
  • ARCING CURRENT VARIATION FACTOR
    Calculation the Arcing Current Variation Factor for Minimum Arcing Current, Replacement for 85% factor, Applies to all Voltages
  • ARCING SHORT CIRCUIT CURRENT CALCULATIONS – MEDIUM VOLTAGE
    Calculation of Intermediate Average Arcing Current, Calculation Final Arcing Current – Interpolate for Voltage, Coefficients, Data
  • INCIDENT ENERGY CALCULATIONS – MEDIUM VOLTAGE
    Calculation of Intermediate Incident Energy, Calculation of Final Incident Energy – Interpolate for Voltage, Coefficients, Data
  • ARC FLASH BOUNDARY CALCULATIONS – MEDIUM VOLTAGE
    Calculation of Intermediate Arc Flash Boundary, Calculation of Final Arc Flash Boundary – Interpolate for Voltage, Coefficients, Data
  • DC ARC FLASH CALCULATIONS  
    V-I Characteristics, DC Arc Resistance Calculations, DC Incident Energy Calculations, Box vs. Open Arc Calculations, Calculation Worksheets, Problem Solving
  • COMPARISON OF CALCULATION METHODS AND CONFIGURATIONS
    Calculation Results from 2002 IEEE 1584 Compared to 2018 IEEE 1584, Comparison or Results for VCB, VCCB, HCB
  • MODELING TIPS
    Selection of Electrode Configuration, Enclosure Size, Gap Distances
  • OTHER HAZARD MEASUREMENTS
    Light, Blast Pressure, Sound Pressure
  • DETERMINING PPE REQUIREMENTS FROM INCIDENT ENERGY CALCULATIONS
    Using calculated incident energy to determine PPE requirements. Simplifying the Selection
  •  ARC FLASH WARNING LABELS
    Jim’s Simplification for Arc Flash Labels to Reduce or Eliminate the Need to Re-Label, Minimum Requirements, Label Locations, ANSI Z535 Requirements, Incident Energy vs. Site Specific PPE vs. Arc Rating, Signal Words and Colors

Learn the Answers to These Questions and More:

  • How do I organize a study?
  • What equipment really needs labeled?
  • Where do I obtain the required data?
  • How much information is really required on the arc flash label?
  • Do I need all data such as conductor lengths?
  • How do I calculate AC incident energy, arcing current & arc flash boundary?
  • What is the difference between low voltage and medium voltage calculations?
  • How do I calculate DC incident energy from an arc flash?
  • How do I calculate DC arc resistance and what is a V-I characteristic?
  • How accurate are the IEEE 1584 calculations?
  • Why do I also have to analyze arc flash during for minimum fault currents?
  • What very important question do I ask the electric utility?
  • Are time current curves a reliable way to determine arc flash clearing time?
  • What if I have a low arcing current that causes a long clearing time?
  • Why was the 125 kVA 208V exclusion deleted?
  • Is the “2 second cut off” appropriate?
  • How long can an arc sustain itself? – discussion of recent test data.
  • Why do I use a comparison of 100% and the minimum arcing current?
  • Does the type of equipment make a difference in the calculations?
  • What changed regarding grounded vs. ungrounded systems?
  • What about Arc Blast, Light and Sound Pressure?
  • How do I include motor contribution to the calculations?
  • How can current limiting devices reduce the incident energy?
  • Why use remote operation, arc resistant equipment, and maintenance switches?
  • Why is selecting the correct working distance an important part of the calculations?

What is an Arc Flash Study?

As part of an arc flash study (Risk Assessment) the incident energy exposure level is determined based on the working distance of the employee’s face and chest areas from a prospective arc source. Arc-rated clothing and other PPE is selected with a rating sufficient for the incident energy exposure and shall be used by the employee based on the specific task. IEEE Std. 1584 tm, IEEE Guide for Performing Arc Flash Hazard Calculations is the method used globally for calculating the prospective incident energy.
NFPA 70E and CSA Z462 also require determining the arc flash boundary, which is the distance from a potential arc source where the incident energy is 1.2 cal/cm2. This value is considered to be the point at which the onset of a second-degree burn occurs. Live work performed outside of the arc flash boundary does not require PPE, although the risk of some injury still exists.

The concept of these requirements is simple. At each location, the arc flash study is used to determine: The perspective incident energy exposure for a worker’s chest and face, the rating of PPE based on the perspective incident energy, the arc flash boundary.

Although NFPA 70E provides more generalized PPE tables as a simplified alternative for PPE selection, an arc flash calculation study requires performing calculations to estimate the magnitude of incident energy exposure. These calculations are based on specific details, including the available short circuit current, device clearing time, grounding, arc gap distance, equipment type, and many other factors.

This information, as well as data regarding electric shock protection and approach limits, can be included on the arc flash warning labels placed on the equipment under study. Before conducting energized work, a qualified worker can refer to the label and obtain the data necessary for the shock hazard risk assessment and the arc flash hazard risk assessment as required by NFPA 70E and CSA Z462.

Although an arc flash study can appear to be complex, it can be more manageable when broken down into basic steps as outlined in this training program.

2018 IEEE 1584 Major Changes

Course Content

Download: Arc Flash Calculation Worksheets
Module 1: Introduction, Class Overview and Agenda | Duration 22:01
Module 2: Electrical Hazards | Duration 39:23
Module 3: Codes and Standards | Duration 15:03
Module 4: Arc Flash Study Basics | Duration 25:05
Module 5: Study Process and Arc Flash Testing | Duration 26:47
Module 6: NFPA 70E Requirements | Duration 35:30
Module 9: Define Input Data | Duration 30:01
Module 10: Overview of Calculation Steps | Duration 16:00
Module 14: Incident Energy 600 Volts and Less | Duration 54:36
Module 15: Incident Energy – Problems 4 and 5 | Duration 46:42
Module 16: Incident Energy – Problems 6 and 7 | Duration 17:47
Module 21: Additional Hazards – Arc Flash Labeling | Duration 38:54
Module 22: DC Arc Flash – Problems 13, 14 and 15 | Duration 22:22
Module 23: PPE Requirements | Duration 16:03
Final Quiz: How to Perform an Arc Flash Study