Three-Phase System Course
This comprehensive course equips you with essential skills for three-phase electrical systems, covering fundamentals like 208/120V wye/delta configurations, power factor, and NEC-compliant conductor sizing. Delve into load balancing, neutral current calculations, motor selection and protection, panel wiring, documentation, testing, commissioning, and troubleshooting for safe, efficient, and reliable electrical installations in real-world scenarios.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
Gain expertise in three-phase electrical systems through this practical course. Learn to size conductors and breakers accurately, balance single- and three-phase loads effectively, select and connect motors properly, and calculate currents and neutral loading confidently. Master reading and creating diagrams, preparing documentation, applying protection and grounding, and conducting safe testing and commissioning to ensure reliable installations that comply with current standards.
Elevify advantages
Develop skills
- Master three-phase design basics including 208/120V wye and delta systems plus power factor.
- Calculate phase and neutral currents confidently for effective load balancing.
- Select, connect, and protect three-phase motors safely and efficiently.
- Create clear wiring diagrams, schedules, and labels for panels.
- Verify motor rotation, load balance, safety, and power quality during testing and commissioning.
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 workload.What our students say
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