---
kind: "section"
citation: "46 C.F.R. § 111.103-1"
title: "46"
number: "111.103-1"
heading: "Power ventilation systems except machinery space ventilation systems."
url: "https://uscodex.org/cfr/46/111.103-1"
---

# §111.103-1. Power ventilation systems except machinery space ventilation systems.


Each power ventilation system that is not a machinery space ventilation system must have:

- (a) **A control to stop the ventilation that is—**
  - (1) Outside the space ventilated; and
  - (2) Grouped with the controls for every power ventilation system to which this section is applicable; and
- (b) **In addition to the control required by paragraph (a), a stop control that is—**
  - (1) As far as practicable from the control required by [paragraph (a)](#a) and grouped with the controls for every power ventilation system to which this section is applicable; or
  - (2) The circuit breakers for ventilation grouped on the main switchboard and marked, “In Case of Fire Trip to Stop Ventilation.”

## Notes

### Amendments

[CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by USCG-2020-0075, 88 FR 16365, Mar. 16, 2023]

### Authority

Authority: 46 U.S.C. 3306, 3703; DHS Delegation No. 00170.1, Revision No. 01.2. Section 111.05-20 and Subpart 111.106 also issued under sec. 617, Pub. L. 111-281, 124 Stat. 2905.

### Source

Source: CGD 74-125A, 47 FR 15236, Apr. 8, 1982, unless otherwise noted.

### Amendments

[CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by USCG-2020-0075, 88 FR 16365, Mar. 16, 2023]