Check the listing for details. Mike Holt's Electrical Exam Preparation Textbook 2020 Ed.With Digital Answer Key. Condition: Brand New. Listed at 67.90 USD. Mike Holt's Electrical Exam Preparation textbook, Based on the 2020 NEC Paperbackwith Digital Access to Answer Key Publisher: Mike Holt Enterprises ISBN: 978-0-9992038-7-3Pages: 656Illustrations: 632Practice Questions: 2848Mike Holt's Electrical Exam Preparation textbook has helped thousands of people across the country pass their electrical exams. It is used in Electrical Exam Prep classrooms across the US as well as used by individuals studying on their own for an upcoming exam. The material covers:An overview of theory to improve your understanding of electrical fundamentalsA comprehensive study of electrical calculations, using step-by-step instructions of how to set up the problems and work through them accuratelyUnit questions to test your knowledge as you progress through the materialThousands of Code questions to test your knowledge of the NECThis practical textbook and workbook give you the knowledge you need to master the key concepts of theory, Code, and calculations for electrical examsDigital Access to Answer Key