This comprehensive Electrical Exam Preparation book gives you an overview of Electrical Theory, and teaches you how to master Electrical Calculations. In addition, Chapter 4 of this book includes a copy of our 2011 NEC Practice Questions book. Printed in full-color with detailed and educational illustrations it will guide you through everything you need to know about Calculations. The book is designed for individual or classroom use and can be used for Exam Preparation or as a Calculations study guide. You will receive over 500 illustrations and 2,800 questions to help you learn the material and test your knowledge in each area. To really prepare yourself for an upcoming exam we strongly recommend that you consider an Exam Preparation Library. All libraries include DVDs to help you really understand the material that is being presented. In addition, they give you a broader background on Theory and really teach you the Code. The Exam Prep book assumes that you already know the code and is simply testing that knowledge.