Three-Phase System Course
Master three-phase systems from fundamentals to wiring, load balancing, motors, and safety. Learn NEC-based conductor sizing, panel layouts, neutral current control, and real-world troubleshooting for reliable, efficient electrical installations.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
Master three-phase systems with a focused, practical course that shows you how to size conductors and breakers, balance single- and three-phase loads, select and connect motors, and calculate currents and neutral loading with confidence. Learn to read and create diagrams, prepare clear documentation, apply protection and grounding, and perform safe testing and commissioning so every new or upgraded installation runs reliably and meets modern standards.
Elevify advantages
Develop skills
- Three-phase design basics: master 208/120 V, wye/delta, and power factor fast.
- Load balancing in practice: calculate phase and neutral currents with confidence.
- Motor selection and protection: choose, connect, and protect 3-phase motors safely.
- Panel wiring and documentation: produce clear diagrams, schedules, and labels.
- Testing and commissioning: verify rotation, balance, safety, and power quality.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workloadWhat our students say
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