46 C.F.R. § 111.105-21 Ventilation.
Title 46 - Shipping
A ventilation duct which ventilates a hazardous location has the classification of that location. Each fan for ventilation of a hazardous location must be nonsparking. [CGD 94–108, 61 FR 28285, June 4, 1996]
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PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS
Subpart 111.105—Hazardous Locations
§ 111.105-21 Ventilation.
