Section 161.002-10 - Fire detection system control unit(a)General. The fire detection system control unit must meet the requirements of § 111.01-9 of this chapter.(b)Electrical supervision -Circuits. The circuits must comply with Chapter 23 of NFPA 72 (incorporated by reference, see § 161.002-1 ), and must be Class A or Class X pathway.USCG-2012-0196, 81 FR 48276 , July 22, 2016