U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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All TitlesTitle 46Chapter IPart 128Subpart D - Subpart D—Design Requirements for Specific Systems
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No self-contained unit either for air-conditioning or for refrigerated spaces for ship's stores need comply with § 58.20-5, 58.20-10, 58.20-15, 58.20-20(a), or 58.20-20(b) of this chapter if—
(a) The unit uses a fluorocarbon refrigerant allowed by part 147 of this chapter;
(b) The manufacturer certifies that the unit is suitable for its intended purpose; and
(c) Electrical wiring meets the applicable requirements in subchapter J of this chapter.
