NFPA 73 : 2021

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Equivalency. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions. Chapter 4 General Requirements 4.1 General Examination and Use of Installed Equipment. 4.2 Services, Outside Feeders, and Outside Branch Circuits. 4.3 Panelboards and Distribution Equipment. 4.4 Overcurrent Protective Devices. 4.5 Cables, Cable Assemblies, and Conductors. 4.6 Flexible Cords and Cables. 4.7 Raceways. 4.8 Permanently Connected Luminaires (Lighting Fixtures). 4.9 Boxes and Enclosures. 4.10 General-Use Switches and Receptacles. Chapter 5 Appliances and Special Equipment 5.1 Ground-Fault Circuit Interrupters. 5.2 Smoke Alarms and Carbon Monoxide Alarms. 5.3 Appliances and Utilization Equipment.5.4 Arc-Fault Circuit Interrupters. 5.5 Ceiling-Suspended (Paddle) Fans. Annex A Explanatory Material Annex B National Electrical Code References Annex C Sample Ordinance Adopting NFPA 73 Annex D Informational References

This standard provides criteria for identification of hazardous conditions of electrical systems in existing one-family, two-family, and multifamily dwellings, including mobile homes and manufactured homes.