This book provides a comprehensive examination of mechanical and electrical machine elements, as well as their underlying principles of operation. It is intended for technicians, maintenance mechanics, electricians, and manufacturing engineers. The book provides the knowledge base needed to understand the principles, concepts, and applications of electromechanics. Furthermore, it presents problem-solving techniques that will aid technicians in real-world trouble shooting situations. As the title implies, Electromechanics: Principles, Concepts, and Devicesbegins with the basic notions of numbers and units of measure, the nature of motion, simple and compound machines, and the physics of work, energy, torque, and power. From there, chapters progress into more complex concepts of power transmission and motion devices, electric circuits, electromagnetic circuits and devices, transformers and power distribution, overcurrent protection, sequential process control, and ac and do electric motors. A new chapter 16, "Concepts of Automated Control Systems," covers cutting-edge technology that technicians need to know to prepare for tomorrow's workplace. The book concludes with a technical terms glossary and appendixes featuring reference tables, common symbols, and an overview of maintenance procedures for electromechanical devices and components.James Harter is the author of 'Electromechanics: Principles, Concepts and Devices (2nd Edition)', published 2002 under ISBN 9780130977441 and ISBN 0130977446.