National Electrical Code 2020

National Fire Protection Association, Quincy, Massachusetts. The National Fire Protection Association (NFPA) is a global self-funded nonprofit organization, established in 1896, devoted to eliminating death, injury, property and economic loss due to fire, electrical and related hazards. NFPA delivers information and knowledge through more than 300 consensus codes and standards, research, training, education, outreach and advocacy; and by partnering with others who share an interest in furthering our mission. Our mission is to help save lives and reduce loss with information, knowledge and passion.

1. General.
2. Wiring and Protection.
3. Wiring Methods and Materials.
4. Equipment for General Use.
5. Special Occupancies.
6. Special Equipment.
7. Special Conditions.
8. Communications Systems.
9. Tables.
Informative Annex A: Product Safety Standards.
Informative Annex B: Application Information for Ampacity Calculation.
Informative Annex C: Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size.
Informative Annex D: Examples.
Informative Annex E: Types of Construction.
Informative Annex F: Availability and Reliability for Critical Operations Power Systems; and Development and Implementation of Functional Performance Tests (FPTs) for Critical Operations Power Systems.
Informative Annex G: Supervisory Control and Data Acquisition (SCADA).
Informative Annex H: Administration and Enforcement.
Informative Annex I: Recommended Tightening Torque Tables from UL Standard 486A-B.
Informative Annex J: ADA Standards for Accessible Design.
Index.