This book is designed to help readers obtain a thorough understanding of the basic principles of electric circuits. It provides a practical coverage of electric circuits (DC/AC) and an introduction to electronic devices that technician-level readers can readily understand. Well-illustrated and clearly written, the book contains a full-color layout that enhances visual interest and ease of use. This acclaimed book covers all the basics of&DC and&AC circuits. Safety tips, key terms, and a comprehensive set of appendices are included. An important reference tool for service shop technicians, industrial manufacturing technicians, laboratory technicians, field service technicians, engineering assistants and associate engineers, technical writers, and those in technical sales.