This workbook provides comprehensive practice questions designed to reinforce understanding of the 2014 National Electrical Code (NEC). It is structured to align directly with the content of Mike Holt's 'Understanding the NEC Volume 1' textbook, covering Articles 90 through 480. The material is presented to aid electricians and students in mastering the code through targeted practice and assessment.

This workbook is designed as a practical companion for those studying the 2014 National Electrical Code using Mike Holt's textbook. The inclusion of over 1,300 practice questions, organized by code order and supplemented by final exams, suggests a focus on thorough knowledge retention and application. The added customization list for the code book indicates an effort to enhance the user's practical engagement with the material. The structure implies a utility for both self-study and classroom environments.