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NJATC Significant Changes to the NEC: 2005 Edition

Significant Changes to the NEC: 2005 Edition

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NJATC Applied Codeology: Understanding the NEC 2005 Edition
NJATC Applied Codeology: Understanding the NEC

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Significant Changes to the NEC® 2005 Ed

Author: NJATC

1st Edition

Significant Changes to the NEC – 2005 Edition is an invaluable resource to electricians, electrical contractors, electrical inspectors, and electrical engineers, focusing on the most important changes that occurred in the 2005 NEC®

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.

The text is arranged to follow the general layout of the NEC®. To assist and enhance understanding of each revision, 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 2005 NEC®.


  • background information and the substantiation for each revision is provided in an easy-to-read format
  • detailed illustrations reduce the potential for misinterpretation of the complex language of the Code
  • coverage incorporates the new Code requirements for AFCIs in dwelling bedrooms and GFCIs in other than dwellings
  • the term “computed” has been changed to “calculated” throughout, per the NEC change
  • enhanced provisions for marking and identifying branch circuit and feeder conductors
  • formatting and structural revisions to all low-voltage articles, including parallel structuring of article sections
  • comprehensive coverage that is quick and easy to use


Chapter 1- Fundamentals of Control Systems;

Chapter 2- Instrument Symbols and Identifiers;

Chapter 3- Fundamentals of Calibration;

Chapter 4- Fundamentals of Pressure;

Chapter 5- Fundamentals of Flow;

Chapter 6- Fundamentals of Liquid Level;

Chapter 7- Fundamentals of Temperature;

Chapter 8- Fundamentals of Pneumatics and Control Valve Actuators;

Chapter 9- Fundamentals of Controllers;

Chapter 10-Fundamentals of Control;

Chapter 11- Fundamentals of Analytical pH Measurement;

Chapter 12- Fundamentals of Smart Instrument Communicators;

Chapter 13- Fundamentals of Smart Instrument Calibration;

Chapter 14- Fundamentals of Instrument Installation;

Chapter 15- Fundamentals of Instrument Maintenance;

Chapter 16- Fundamentals of Control Valve Maintenance;

Chapter 17- Fundamentals of Instrument Tubing;

Chapter 18- Fundamentals of Documentation;

Chapter 19- Fundamentals of Safety and in the Process Environment

About the Author:

National Joint Apprenticeship Training Committee:

NJATC develops and standardizes training for National Electrical Contractors Association and the International Brotherhood of Electrical Workers, which represents more than 780,000 members working in a wide variety of fields around North America.

416 Pages - 8-1/2 x 11 in. Softcover


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1401888526 / 9781401888527

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