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A Guide to the Electrical Contractor's Exam 1st Edition

National Joint Apprenticeship Training Committee

  • Published
  • 198 Pages


Apprentice and experienced professional electricians and electrical contractors wishing to obtain their electrical contractor's license can rely on this superb study tool for help in preparing for and passing the exam the first time! An easy-to-follow, user-friendly approach is at the heart of this unique book that explores both the electrical and business law components emphasizing preparation using the National Electric Code®. Helpful reference material, and explanations of relevant topics to the National Electrical Code and the Employer's Tax Guide are also featured. Content includes answers at the back of the book and opportunities for readers to demonstrate their knowledge with practice exams that closely imitate actual exam conditions. Check out our app, DEWALT® Mobile Pro™. This free app is a construction calculator with integrated reference materials and access to hundreds of additional calculations as add-ons. To learn more, visit

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.
  • Multiple examples and practice problems are solved step-by-step and feature full, easy-to-understand explanations for a more enhanced learning experience
  • All the major portions of the exam are covered, including theory, calculations, circuits, special equipment, and business law
  • A realistic, 100-question practice exam combines all the elements of the exam day experience for the most comprehensive preparation available
  • An inclusive answer key is provided in the Appendix with detailed explanations of each solution
Chapter 1. Introduction
Chapter 2. Electrical Theory
Chapter 3. Branch Circuit and Conductor Ampacity
Chapter 4. Conduit and Box Fill Calculations
Chapter 5. Residential Load Calculations
Chapter 6. Commercial Load Calculations
Chapter 7. Motor Calculations
Chapter 8. Transformer Calculations
Chapter 9. Motor Control Circuits
Chapter 10. Special Equipment and Locations
Chapter 11. Business Law Review
Chapter 12. Practice Exam
Answer Key