USCG Exam PracticeSwitchboards and distribution systems
According to 46 CFR, where must the neutral of a grounded generation and distribution system be grounded?
- A. At the emergency switchboard
- ✓ At the generator switchboardCorrect
- C. At the main distribution panel
- D. At the load center nearest 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 arrangement with no direct ground at the emergency switchboard.
Cited:46 CFR §111.05-17