---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchJ/part112"
level: "part"
label: "Part 112"
heading: "Emergency Lighting and Power Systems"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchJ-part112"
sections_count: 49
---

# Part 112 — Emergency Lighting and Power Systems

Title 46 C.F.R. — Shipping › Chapter I — Coast Guard, Department of Homeland Security › Subchapter J — Electrical Engineering

## Contents

- [Subpart 112.01 — Definitions of Emergency Lighting and Power Systems](/cfr/46/chI-subchJ-part112-subpart112.01.md)
- [Subpart 112.05 — General](/cfr/46/chI-subchJ-part112-subpart112.05.md)
- [Subpart 112.15 — Emergency Loads](/cfr/46/chI-subchJ-part112-subpart112.15.md)
- [Subpart 112.20 — Emergency Systems Having a Temporary and a Final Emergency Power Source](/cfr/46/chI-subchJ-part112-subpart112.20.md)
- [Subpart 112.25 — Emergency Systems Having an Automatic Starting Diesel Engine or Gas Turbine Driven Emergency Power Source as the Sole Emergency Power Source](/cfr/46/chI-subchJ-part112-subpart112.25.md)
- [Subpart 112.30 — Emergency Systems Having an Automatically Connected Storage Battery as the Sole Emergency Power Source](/cfr/46/chI-subchJ-part112-subpart112.30.md)
- [Subpart 112.35 — Manually Controlled Emergency Systems Having a Storage Battery or a Diesel Engine or Gas Turbine Driven Generator as the Sole Emergency Power Source](/cfr/46/chI-subchJ-part112-subpart112.35.md)
- [Subpart 112.37 — Temporary Emergency Power Source](/cfr/46/chI-subchJ-part112-subpart112.37.md)
- [Subpart 112.39 — Battery Operated Lanterns](/cfr/46/chI-subchJ-part112-subpart112.39.md)
- [Subpart 112.40 — Alternating-Current Temporary Source of Supply](/cfr/46/chI-subchJ-part112-subpart112.40.md)
- [Subpart 112.43 — Emergency Lighting Systems](/cfr/46/chI-subchJ-part112-subpart112.43.md)
- [Subpart 112.45 — Visible Indicators](/cfr/46/chI-subchJ-part112-subpart112.45.md)
- [Subpart 112.50 — Emergency Diesel and Gas Turbine Engine Driven Generator Sets](/cfr/46/chI-subchJ-part112-subpart112.50.md)
- [Subpart 112.55 — Storage Battery Installation](/cfr/46/chI-subchJ-part112-subpart112.55.md)