OSHA Electrical and Arc Flash Safety Training (NFPA 70E 2027)

Lesson 1: What is Electricity

• How to tell the difference between conductors and insulators.
• The meaning of voltage, current, and resistance.
• How Ohm’s Law explains the relationship between them.
• A simple example to understand how electricity works.

Lesson 2: What is an ARC Flash

• Provide perspective on electrical and arc flash hazards.
• Explain electricity and the hazards associated with it.
• Define arc flash and discuss hazards related to arcing events.
• Explain the factors that determine the severity of an arc flash.
• Discuss the usage of two types of overcurrent protection devices.

Lesson 3: Electrical Hazards

• The difference between electric shock and electrocution.
• How Ohm’s Law is used to measure the severity of shocks.
• Why can electrical hazards increase the risk of falls.
• Key safety points for choosing and using fire extinguishers on electrical fires.

Lesson 4: Regulatory Overview

Module 2

• The OSHA and NFPA requirements for electrical safety and arc flash in the workplace.
• Employers' responsibilities in keeping workers safe from electrical hazards.
• The key components of an effective electrical safety program.
• The steps of the 3-Stage Safety Model.
• Describe the concept of an “electrically safe work condition” as outlined by the NFPA 70E standard.

Lesson 5: Controlling Electrical and Arc Flash Hazards

• How insulation, guarding, and grounding help control electrical hazards.
• How bonding reduces the risk of shocks and electrocution.
• Examples of overcurrent protection devices and safe usage considerations.
• The requirements for maintaining a minimum clear working space around electrical equipment.
• Safety principles to reduce risks when working with electrical conductors and equipment.
• How insulating conductors protect people from electrical hazards.
• Using guarding to prevent unauthorized access to electrical equipment.
• The purpose of grounding electrical tools and systems.
• How ground fault circuit interrupters (GFCIs) protect people from hazards.

Lesson 6: Electrically Safe Work Condition

• What an electrically safe work condition means under NFPA 70E.
• How to perform lockout/tagout procedures to prevent unexpected equipment startup.
• Examples of situations where electrical circuits cannot be de-energized.
• The safety practices required when working on energized circuits or equipment.

Lesson 7: Protective Equipment

• The types of PPE for different parts of the body to protect against electrical hazards.
• What arc-rated clothing is and its key characteristics.
• Safe practices for using insulated tools and equipment.
• Alerting techniques to warn employees about electrical hazards.

Lesson 8: Arc Rated Clothing and Arc Flash Labels

• Importance of PPE in workplace electrical safety programs.
• What arc-rating means and features of arc-rated clothing.
• How to select the right arc-rated PPE.
• Category (CAT) ratings for test instruments and equipment.
• Labeling requirements for electrical equipment.

Lesson 9: Safe Work Practices

• Safe practices for using fixed and flexible wiring.
• Clearance distances and requirements for working near overhead power lines.
• The importance of proper illumination and housekeeping around electrical work.
• Emergency protocols to follow in case of an electrical incident.

Final Examination