---
kind: "section"
citation: "46 C.F.R. § 111.33-9"
title: "46"
number: "111.33-9"
heading: "Ventilation exhaust."
url: "https://uscodex.org/cfr/46/111.33-9"
---

# §111.33-9. Ventilation exhaust.


The exhaust of each forced-air semiconductor converter system must:

- (a) Terminate in a location other than a hazardous location under [Subpart 111.105](/cfr/46/subpart111.105.md) of this part; and
- (b) **Not impinge upon any other electric device.**

## Notes

### Amendments

[CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by USCG-2020-0075, 88 FR 16362, 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 16362, Mar. 16, 2023]