46 C.F.R. § 111.105-5 System integrity.
Title 46 - Shipping
In order to maintain system integrity, each individual electrical installation in a hazardous location must comply specifically with NEC articles 500–505, as modified by §111.105–3, or IEC series 79 publications, but not in combination in a manner that would compromise system integrity or safety. Hazardous location equipment must be approved as suitable for use in the specific hazardous atmosphere in which it is installed. The use of non-approved equipment is prohibited. [CGD 94–108, 61 FR 28284, June 4, 1996]
Title 46: Shipping
PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS
Subpart 111.105—Hazardous Locations
§ 111.105-5 System integrity.
