Practice question
What is the advantage of using a three-phase power supply for large roadway lighting systems?
- It eliminates the need for grounding
- It provides higher power capacity with smaller conductors, better voltage regulation, and more balanced loading
- It requires fewer luminaires
- It eliminates the need for circuit breakers
Answer: B — It provides higher power capacity with smaller conductors, better voltage regulation, and more balanced loading
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Practice more: IMSA Roadway Lighting II Practice Questions - IMSA Roadway Lighting Technician Level II Certification Exam Exam →