• Troubleshooting • Basic Electrical Theory • Symbols and Circuits • Meter Symbols and Terminology • Meters • Special Meters • Basic Circuit Measurements • Relays and Motor Starters • Troubleshooting Relays and Starters • Motor Electrical Problems • Motor Mechanical Problems • Troubleshooting DC Motors • Troubleshooting AC Motors • Power Distribution • Troubleshooting Power Quality • Troubleshooting Motor Control Circuits • Electric Motor Drives • Troubleshooting Electric Motor Drives • Lighting Circuits • Troubleshooting Lighting Circuits • Solenoids and Heating Elements • Mechanical and Solid-State Switches • Diodes, Transistors, and Thyristors • Testing Diodes, Transistors, and Thyristors • Programmable Controllers • Alternative Energy Systems • Preventive Maintenance