46 CFR 111.05-17
§ 111.05-17 Generation and distribution system grounding.
United States · 46 CFR — Shipping · Status: effective
Cite this
- Citation
- 46 CFR 111.05-17, § 111.05-17 Generation and distribution system grounding, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/227002
- Permanent ID
ys:prov:227002@1- SHA-256
ec1b060d59f56c975ff4fa4008b0604fc7075e3549eab4e9ec5a13345e37a3f6
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
The neutral of each grounded generation and distribution system must:
(a) Be grounded at the generator switchboard, except the neutral of an emergency power generation system must be grounded with:
(1) No direct ground connection at the emergency switchboard;
(2) The neutral bus permanently connected to the neutral bus on the main switchboard; and
(3) No switch, circuit breaker, or fuse in the neutral conductor of the bus-tie feeder connecting the emergency switchboard to the main switchboard; and
(b) Have the ground connection accessible for checking the insulation resistance of the generator to ground before the generator is connected to the bus.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.