Section 161.002-15 - Sample extraction smoke detection systems(a)General. The sample extraction smoke detection system must consist of a means for continuously exhausting an air sample from the protected spaces and testing the air for contamination with smoke, together with visual and audible alarms for indicating the presence of smoke.(b)Design. The sample extraction smoke detection system must be designed and capable of being installed in accordance with 46 CFR chapter I, subchapter J (Electrical Engineering) and the FSS Code (incorporated by reference, see § 161.002-1 ).(c)Power supply. The power supply for the sample extraction smoke detection system must meet the requirements of § 113.10-9 of this chapter.(d)Control unit standards. The control unit must be listed by either a NRTL as set forth in 29 CFR 1910.7 or an independent laboratory that is accepted by the Commandant under part 159 of this chapter. The listing must be to the standards specified in UL 864 and tested to the parameters found in IEC 60092-504 (both incorporated by reference, see § 161.002-1 ).USCG-2012-0196, 81 FR 48276 , July 22, 2016