---
kind: "section"
citation: "46 C.F.R. § 28.355"
title: "46"
number: "28.355"
heading: "Main source of electrical power."
url: "https://uscodex.org/cfr/46/28.355"
---

# §28.355. Main source of electrical power.

- (a) **Applicability.** Each vessel that relies on electricity to power any of the following essential loads must have at least two electrical generators to supply these loads:
  - (1) The propulsion system and its necessary auxiliaries and controls;
  - (2) Interior lighting;
  - (3) Steering systems;
  - (4) Communication systems;
  - (5) Navigation equipment and navigation lights;
  - (6) Fire protection or detection equipment;
  - (7) Bilge pumps; or
  - (8) **General alarm system.**
- (b) Each generator must be attached to an independent prime mover.

## Notes

### Authority

Authority: 46 U.S.C. 3316, 4502, 4505, 4506, 6104, 8103, 10603; DHS Delegation 00170.1, Revision No. 01.4.

### Source

Source: CGD 88-079, 56 FR 40393, Aug. 14, 1991, unless otherwise noted.