46 CFR § 77.05-1 - Installation and details.

---
identifier: "/us/cfr/t46/s77.05-1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 77.05-1 - Installation and details."
title_number: 46
title_name: "Shipping"
section_number: "77.05-1"
section_name: "Installation and details."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "H"
subchapter_name: "PASSENGER VESSELS"
part_number: "77"
part_name: "VESSEL CONTROL AND MISCELLANEOUS SYSTEMS AND EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 65-50, 30 FR 16953, Dec. 30, 1965, unless otherwise noted."
cfr_part: "77"
---


# 77.05-1 Installation and details.

(a) The installation of all systems of an electrical engineering or interior communications nature, together with the details of design, construction, and installation, shall be in accordance with the requirements of subchapter J (Electrical Engineering) of this chapter. Systems of this type include the following:

Ship's service generating systems.

Ship's service power distribution systems.

Ship's lighting systems.

Electric propulsion and propulsion control systems.

Emergency lighting and power systems.

Electric lifeboat winch systems.

Electric steering gear and steering control systems.

Fire detecting and alarm systems

Sound powered telephone and voice tube systems.

Engine order telegraph systems.

Rudder angle indicator systems.

Refrigerated spaces alarm systems.

Navigation lights systems.

Daylight signaling lights.

Miscellaneous machinery alarms and controls.

General alarm systems.

(b) Electrical equipment installed in spaces “specially suitable for vehicles” shall be in accordance with subchapter J (Electrical Engineering) of this chapter.

[CGFR 65-50, 30 FR 16953, Dec. 30, 1965, as amended by CGFR 66-33, 31 FR 15283, Dec. 6, 1966; CGFR 68-32, 33 FR 5716, Apr. 12, 1968; CGD 74-125A, 47 FR 15231, Apr. 8, 1982]