---
kind: "section"
citation: "46 C.F.R. § 183.390"
title: "46"
number: "183.390"
heading: "Shore power."
url: "https://uscodex.org/cfr/46/183.390"
---

# §183.390. Shore power.


A vessel with an electrical system operating at more than 50 volts, which is provided with a means to connect to shore power, must meet the following:

- (a) A shore power connection box or receptacle must be permanently installed at a convenient location;
- (b) A cable connecting the shore power connection box or receptacle to the switchboard or main distribution panel must be permanently installed;
- (c) A circuit breaker must be provided at the switchboard or main distribution panel for the shore power connection; and
- (d) The circuit breaker, required by [paragraph (c)](#c) of this section, must be interlocked with the vessel's power sources so that shore power and the vessel's power sources may not be operated simultaneously.

## Notes

### Authority

Authority: 46 U.S.C. 2103, 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 85-080, 61 FR 997, Jan. 10, 1996, unless otherwise noted.