OVERVIEW
Electrical Hazards
Existing and Proposed Standards
Preparing to Work Safely
Determining Safe Approach Distance
Determining Arc Hazard Category
Fault Current Calculations
Determination of Arcing Fault Clearing Time
Boundary Calculations
Determining Arc Flash Hazard Risk Category
Incident Energy Exposure Calculations
Hazard Analysis
INCIDENT CAUSES
Unsafe Switching Acts
Not following Operating Procedure
Unsafe Working Conditions
Not following Maintenance procedures
ELECTRICAL HAZARDS
5 Main Factors in Electrical Accidents
Electrical Shock
Arc Flash Defined
Incident Energy Defined
Arc Flash Burn Injuries
Arc Blast Pressure
Inhalation Injuries
EXISTING AND PROPOSED STANDARDS AND IMPORTANT DATE
OSHA 1910.269
NFPA 70E-2018-2021 edition
NESC Rule 410A3
DEFINITIONS
Essential to the application of this standard
PREPARING TO WORK SAFELY (Dead Work)
Safety Training
Emergency Procedures
Detailed Description of a "Job Briefing"
Use of Equipment
Establishing an electrically safe work condition
Lockout / Tagout
Isolation and Grounding
SHOCK HAZARD PROTECTION (LIVE WORK)
Understanding and Applying NFPA 70E Tables
Shock Protection Boundaries
Limits of Approach
Energized Work Permit
Limited Approach Boundary
Restricted Approach Boundary
Prohibited Approach Boundary
DETERMINING ARC HAZARD RISK CATEGORY (LIVE WORK)
Using NFPA 70E Table 130.7
Using the Calculation Labels