Changes to the National Electrical Code Textbook: 2020



Changes to the NEC 2020 will give you the tools you need to learn the most essential Code changes quickly and easily.


The full-color textbook is a powerful learning tool that combines over 700 instructional graphics and photographs with unique book features that bring clarity to the changes:

  • Author’s Comments clarify the meaning of the change
  • In-depth Analysis explains the background information
  • A Final Exam tests your knowledge