Place the red meter lead on the source side of the wire or connection, and the black lead on the load side of the same wire or connection.
“The half-splitting method alone paid for this training ten times over.” — L. Chen, HVAC Service Tech fundamental electrical troubleshooting dan sullivan
| Chapter | Title | Primary Focus | Key Learning Outcomes | |---------|-------|---------------|------------------------| | 1 | | Mindset, safety, and the “Five‑Step” method | Emphasize safety, systematic thinking, and documentation | | 2 | Electrical Theory Refresher | Voltage, current, power, Ohm’s and Kirchhoff laws | Re‑apply fundamentals in fault analysis | | 3 | Instrumentation & Test Equipment | Multimeters, clamp meters, insulation testers, oscilloscopes | Select and use instruments correctly | | 4 | Wiring & Conduit Practices | Identifying common wiring errors, conduit integrity | Diagnose physical installation faults | | 5 | Motor & Drive Systems | Induction motor basics, VFD troubleshooting | Locate faults in motor circuits | | 6 | Control Circuits & PLCs | Relay logic, ladder diagrams, basic PLC diagnostics | Trace logic errors and I/O problems | | 7 | Power Quality & Harmonics | Voltage sags, swells, THD, mitigation | Assess and correct power‑quality issues | | 8 | Case Studies | Real‑world failures from manufacturing, data centers, and utilities | Apply the five‑step method in context | | 9 | Emerging Topics (2nd ed.) | Introduction to IoT sensors, renewable‑energy interfaces | Recognize new fault modes | Place the red meter lead on the source
