46 C.F.R. § 111.105-15 Additional methods of protection.
Title 46 - Shipping
Each item of electrical equipment that is— (a) A sand-filled apparatus must meet IEC 79–5; (b) An oil-immersed apparatus must meet either IEC 79–6 or NEC article 500–2; (c) Type of protection “e” must meet IEC 79–7; (d) Type of protection “n” must meet IEC 79–15; and (e) Type of protection “m” must meet IEC 79–18. [CGD 94–108, 61 FR 28284, June 4, 1996]
Title 46: Shipping
PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS
Subpart 111.105—Hazardous Locations
§ 111.105-15 Additional methods of protection.

