(a) An independent modular smoke detecting unit must:
(1) Meet UL 217 (incorporated by reference, see 46 CFR 175.600) and be listed as a ``Single Station Smoke detector--Also suitable for use in Recreational Vehicles,'' or other standard specified by the Commandant;
(2) Contain an independent power source; and
(3) Alarm on low power.
(b) [Reserved] [CGD 85-080, 61 FR 982, Jan. 10, 1996, as amended by USCG-2003-16630, 73 FR 65207, Oct. 31, 2008]