x Brief Contents 1 Electrical Safety .........................................................................1 2 Electrical Fundamentals ............................................................ 15 3 The Simple Circuit ...................................................................35 4 Ohm’s Law ..............................................................................47 5 Types of Circuits ...................................................................... 61 6 Alternating and Direct Current ................................................... 81 7 Electromagnetic Devices ..........................................................97 8 Capacitors ............................................................................129 9 Power Distribution ..................................................................145 10 How Electric Meters Work.........................................................171 11 Introduction to Practical Circuits ...............................................201 12 Switches, Electronic Components, and Sensors........................... 225 13 Electric Motors .......................................................................251 14 Troubleshooting Printed Circuit Board Control Systems ................281 15 Troubleshooting Overview ....................................................... 309