Significant Changes to the 2017 NEC®

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Significant Changes to the 2017 NEC®

  • By: NJATC

The National Electrical Code (NEC®) is the most widely recognized and accepted electrical standard in the world. Every three years, the NEC®is updated to reflect the newest installation practices utilized by the electrical industry. Significant Changes to the 2017 NEC® is an invaluable resource for electricians, electrical contractors, electrical inspectors, and electrical engineers, focusing on the most important changes that occurred between the 2014 and 2017 NEC®. To assist and enhance understanding of each revision, the text is arranged to follow the general layout of the NEC®and each change is accompanied by a helpful image or illustration. In addition, background information and a discussion on the significance of the change accompany each of the revisions. The comprehensive coverage offered in this book enables readers to gain a solid understanding and application of the requirements contained in the 2017 NEC®.


  • Articles 90, 100, and 110 - Introduction, Definitions, and Requirements for Electrical Installations
  • Articles 200-285 - Wiring and Protection
  • Articles 300-399 - Wiring Methods and Materials
  • Articles 400-499 - Equipment for General Use
  • Articles 500-590 - Special Occupancies
  • Articles 600-695 - Special Equipment
  • Articles 700-770 - Special Conditions
  • Articles 800-840 - Communications Systems

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