Arc Flash Safety

This course presents an overview of measures to reduce hazards presented by arc flash events and review the regulations for both electrical and fire safety.

Beginner, Intermediate, and Advanced
English
Course Length: 2 Hours

What you'll learn

  • Introduction to Arc Flash Safety Training
  • Hazards and Safety Standards
  • Arc Flash Safety Responsibilities
  • Hazard Control Measures
  • Personal Protective Equipment
  • Practical Arc Flash Safety Precautions

Course Description

This course presents an overview of measures to reduce hazards presented by arc flash events. It will cover basic electrical concepts, circumstances that can present the risk of arc flashes, electrical industry safety standards, and hazard control measures when work responsibilities cause you to work on or near the equipment at risk for arc flash. Because of the nature of arc flash events, we will review the regulations for both electrical and fire safety.

The Arc Flash Safety Training course consists of content, graphics, audio, non-scored quiz questions and a final exam.

Course Outline

Arc Flash Safety Course Outline

About This Course

Course Objectives

Introduction to Arc Flash Safety Training

  • Basic Vocabulary and Concepts
  • Properties of Electricity
  • Electricity Measurements
  • What is an Arc Flash?
  • Typical Causes of Arc Flash
  • Arc Flash Severity Factors
  • Electrical Injury Statistics
  • Arc Flash Safety Regulations

Hazards and Safety Standards

  • Arc Flash Hazards
  • Electrical Current Properties
  • Electric Shock Injuries
  • Metal Vaporization Properties
  • Vaporized Metal and Shrapnel Injuries
  • Concussion Properties
  • Concussion Injuries
  • Burn Properties
  • Burn Injuries
  • Flash Properties
  • Flash Injuries
  • Vaporized Metal and Shrapnel Injuries
  • Responding to Downed or Contacted Energized Lines
  • Arc Flash Hazard Classifications

Arc Flash Safety Responsibilities

  • Employers
  • Managers and Supervisors
  • Employees

Hazard Control Measures

  • Engineering Controls
  • Incident Energy Reduction Methods
  • Equipment Alternatives
  • Administrative and Procedural Controls
  • Arc Flash Risk Assessment
  • Hazard Identification
  • Electrically Safe Work Condition
  • Energized Electrical Work Permit
  • Lockout/Tagout
  • Approach Limits
  • Barricades and Guarding
  • Warning Labels
  • Best Practices
  • Written Safety Program
  • Education and Training

Personal Protective Equipment

  • Head and Face Protection
  • Eye Protection
  • Hand and Arm Protection
  • Foot Protection
  • Body Protection
  • PPE Requirements at Hazard Levels
  • PPE Inspection and Maintenance

Practical Arc Flash Safety Precautions

  • What to Do in the Event of an Arc Flash

Summary

Additional Resources

Exam

Frequently Asked Questions

Who must take this training?

Proper employee education and training is essential for safe work practices. Workers should be fully aware of the dangers presented by arc flash events and other electrical hazards and the measures to take to prevent serious injury or death. Training procedures should be included in the written safety program and verification of employee understanding of important safety considerations is a key part of their level of qualification and permission to work on energized equipment.

How often is retraining or recertification required?

According to NFPA 70E:

Regular retraining for qualified persons in tasks performed less than once per year; retraining for non-qualified persons at non-compliance or change of procedure or technology.

According to OSHA when the employer has reason to believe that any affected employee who has already been trained does not have the understanding and skill required. Circumstances, where retraining is required, include, but are not limited to, situations where:

  1. Changes in the workplace render previous training obsolete; or
  2. Changes in the types of PPE to be used render previous training obsolete; or
  3. Inadequacies in an affected employee’s knowledge or use of assigned PPE indicate that the employee has not retained the requisite understanding or skill.

What are the governing regulations?

ecause of the nature of arc flash events, regulations for both electrical safety and fire safety apply. The following list gives a brief summary of the applicable regulations and their concerned areas.

OSHA 29 Code of Federal Regulations Part 1910 Subpart S-vital electrical safety requirements, including design standards, work practices, and maintenance requirements.

NFPA 70E 2018 Standard for Electrical Safety Requirements for Employee Workplaces-general workplace safety requirements concerning electrical equipment.

NFPA 70 2017 National Electrical Code-a comprehensive set of electricity-related regulations including wiring, power systems, safety standards, and general-use equipment.

IEEE Standard 1584-guidance for performing arc flash hazard calculations.

Navigation Strategies

Beginners: Complete the course in order from beginning to end. Once any topic is completed, you will have full access to it at any time for one year after registration, to use as a resource.

Intermediate/Advanced Users: Use the course as a flexible resource tool to find what you need, whenever you need it. Try the assessment tests first, if you get 80%+ you can move to the next level, if you get less than 80% you should complete the lecture. This gives you a pre and post-assessment score, which can be used to track your skills improvements.

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