What standards regulate arc flash hazards?
There are four main regulations governing arc flash. They include: • OSHA Standards 29-CFR, Part 1910. Occupational Safety and Health Standards. 1910 sub part S (electrical) Standard number 1910.333 specifically addresses Standards for Work Practices and references NFPA 70E. • The National Fire Protection Association (NFPA) Standard 70 The National Electrical Code (NEC) contains requirements for warning labels • NFPA 70E provides guidance on implementing appropriate work practices that are required to safeguard workers from injury while working on or near exposed electrical conductors or circuit parts that could become energized. • The Institute of Electronics and Electrical Engineers (IEEE) 1584 Guide to Performing Arc-Flash Hazard Calculations.