---
kind: "section"
citation: "46 C.F.R. § 108.187"
title: "46"
number: "108.187"
heading: "Ventilation for brush type electric motors in classified spaces."
url: "https://uscodex.org/cfr/46/108.187"
---

# §108.187. Ventilation for brush type electric motors in classified spaces.


Ventilation for brush type electric motors in classified locations must meet N.F.P.A. 496-1974 “Standard for Purged and Pressurized Enclosures for Electrical Equipment in Hazardous Locations”, except audible and visual alarms may be used if shutting down the motors may cause unsafe conditions.


## Notes

### Authority

Authority: 43 U.S.C. 1333; 46 U.S.C. 3102, 3306; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 73-251, 43 FR 56808, Dec. 4, 1978, unless otherwise noted.