Mike Holt’s Understanding Electrical Theory textbookDo you know where electricity comes from? This book will teach you what you need to know about how electricity behaves and the physics behind it. It is critical that all electrical professionals understand the science behind electricity in order to apply the National Electrical Code rules successfully and to work safely in the field. This book is required reading for all electrical installers from an electrical apprentice all the way up through a veteran professional. Only when you know the theory can you truly have confidence in the practical aspects of your electrical work. This full-color textbook provides hundreds of illustrated graphics, detailed examples, practice questions, practice exams, summaries and a comprehensive practice final exam.This full-color textbook provides hundreds of illustrated graphics, detailed examples, practice questions, practice exams, summaries and a comprehensive practice final exam. Chapter 1. Electrical FundamentalsChapter 2: Uses and Dangers of ElectricityChapter 3: Magnetism and ElectromagnetismChapter 4: MathematicsChapter 5: Ohm’s Law and Watt’s LawChapter 6: Electrical Circuit TypesChapter 7: Alternating CurrentChapter 8: Motors, Generators, Relays, and TransformersChapter 9: Protective DevicesChapter 10: General KnowledgeDigital Answer Key(s) included with this product.

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