[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR108.187] [Page 127-128] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 108_DESIGN AND EQUIPMENT--Table of Contents Subpart B_Construction and Arrangement Sec. 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. [[Page 128]] Accommodation Spaces