USCG Exam PracticeSwitchboards and distribution systems
Where must the neutral of a grounded generation and distribution system be grounded?
- A. At the nearest distribution panel to the generator.
- ✓ At the generator switchboard.Correct
- C. At the emergency switchboard.
- D. At the load center farthest from the generator.
Why B is correct
46 CFR §111.05-17(a) requires the neutral of each grounded generation and distribution system to be grounded at the generator switchboard. The emergency system has a different, specific arrangement that does not include a direct ground at the emergency switchboard.
Cited:46 CFR §111.05-17