StacksVerified U.S. regulatory reference

46 CFR §120.322

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
When a vessel is equipped with two or more generators to supply ship's service power, the following requirements must be met:
  1. (a)Each generator must have an independent prime mover; and
  2. (b)The generator circuit breakers must be interlocked to prevent the generators from being simultaneously connected to the switchboard, except for the circuit breakers of a generator operated in parallel with another generator when the installation meets §§ 111.12-11(f), and 111.30-25(d) in subchapter J of this chapter.