Table Of ContentPreface. Acknowledgments. About the Editors. Article 90: Introduction. 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.
SynopsisBased on the 2020 National Electrical Code (NEC), the National Electrical Code Handbook clarifies concepts for a better understanding of the Code. It's a powerful communication tool that helps you explain the NEC to clients and others who might not have professional electrical training.