---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchL/part129"
level: "part"
label: "Part 129"
heading: "Electrical Installations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchL-part129"
sections_count: 34
---

# Part 129 — Electrical Installations

Title 46 C.F.R. — Shipping › Chapter I — Coast Guard, Department of Homeland Security › Subchapter L — Offshore Supply Vessels

## Contents

- [Subpart A — General Provisions](/cfr/46/chI-subchL-part129-subpartA.md)
- [Subpart B — General Requirements](/cfr/46/chI-subchL-part129-subpartB.md)
- [Subpart C — Power Sources and Distribution Systems](/cfr/46/chI-subchL-part129-subpartC.md)
- [Subpart D — Lighting Systems](/cfr/46/chI-subchL-part129-subpartD.md)
- [Subpart E — Miscellaneous Electrical Systems](/cfr/46/chI-subchL-part129-subpartE.md)