46 C.F.R. § 132.340 Equipment installed although not required.
Title 46 - Shipping
A vessel may install equipment for detection of and protection against fires beyond that required by this subchapter, unless the excess equipment in any way endangers the vessel or the persons aboard. This equipment must be listed and labeled by a nationally recognized testing laboratory.
Title 46: Shipping
PART 132—FIRE-PROTECTION EQUIPMENT
Subpart C—Miscellaneous
§ 132.340 Equipment installed although not required.

