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72-32 ~.-\T1()~.\L FIRE AI_\R\I COOE 2-5.2.1.2 .-\ smoke detector installed in a stairwell shall be so located as to ensure that smoke rising in the stairwell can- not be prevemed from reaching the detector by an imerven- ing door or obstruction. 2-5.2.1.3 .-\ smoke detector installed to detect a fire in the basement shall be located in close proximity to lhe stairway leading to the floor above. I 2-5.2.1.4 The smoke detector installed to comply with 2-2.1.1.1 on a story without a separate sleeping area shall be located in close proximity to the stairway leading to the floor above. 2-5.2.1.5* Smoke detectors shall be mounted on the ceiling at least 4 in. (102 mm) from a wall or on a wall with the top of the detector not less than 4 in. (102 mm) nor more than 12 in. (305 mm) below the ceiling. Exception: Where the mounting suiface might become consider- ably wanner or cooler than the room, such as a poorly insulllted ceil- ing below an unfinisMd allic or an exterior wall. the detectors shall be mounted on an inside wall. 2-5.2...6 Smoke detectors shall not be located within kitch- ens or garages, or in other spaces where temperatures can I fall below 400F (40C) or exceed 1000F (380C). Smoke detec- tors shall not be located closer than 3 ft (0.9 m) horizontally from: (a) The door to a kitchen. (b) The door to a bathroom containing a tub or shower. (c) The supply registers of a forced air heating or cooling I system, and outside of the airflow from those registers. Exception: Detectors specifically listed for the application. 2-5.2.2* Heat Detectors. 2-5.2.2.. On smooth ceilings. heat detectors shall be installed within the strict limitations of their listed spacing. 2.5.2.2.2 For sloped ceilings having a rise greater than 1 ft in 8 ft (I m in 8 m) horizontally, the detector shall be located on or near the ceiling at or within 3 ft (0.9 m) of the peak. The spacing of additional detectors, if any. shall be based on a horizontal distance measurement. not on a measurement along the slope of the ceiling. 2-5.2.2.3* Heat detectors shall be mounted on the ceiling at least 4 in. (102 mm) from a ,,'all or on a wall with the top of the detector not less than 4 in. (102 mm) nor more than 12 in. (305 mm) below the ceiling. Exception: Where the mounting suiface might become consider- ably wanner or cooler than the room. such as a poorly insubJted ceil- ing heloUl an unfinished allic or an exterior u.'flll. tM detectors shall be mounted on an inside wall. 2-5.2.2.4 In rooms with open joists or beams. all ceiling- 'mounted detectors shall be located on the bottom of such joists or beams. 2-5.2.2.5* Detectors installed on an open-joisted ceiling shall have their smooth ceiling spacing reduced where this spacing is measured at right angles to solid joists; in the case of heat detectors. this spacing shall not exceed 1/2 of the listed spacing. 2-5.3 Wiring and Equipment. The installation of wiring and equipment shall be in accordance with the requirements of NFPA 70. Natio7U11 Electrical Code. Article 760. 1996 Edition 2-6 Maintenance and Tests. 2-6..* Maintenance. Where batteries are used as a Source of energy. they shall be replaced in accordance with the rec- ommendations of the alarm equipment manufactUJ'er. I EXCfption: Batteries d"scribed ill 2-3.3(11). 2-6.2* Tests. , 2-6.2.1 Single and Multiple Station Smoke Alanns. Home- owners shall inspect and test smoke alarms and all con- nected appliances in accordance with the manufacturer's instructions at least monthly. 2-6.2.2 Fire Alarm Systems. Homeowners shall test sys- tems in accordance with the manufacturer's instructions and ,shall ha\'e every household fire alarm system having a con- trol panel tested by a qualified service technician at least everv 3 vears. This test shall be conducted according to the method; of Chapter i. 2-7 Markings and Instructions. A.II household fire warn- ing equipment or systems shall be plainly marked with the following information on the unit: (a) Manufacturer's or listee's name, address. and model number; (b) A mark or certification that the unit has been approved or listed by a testing laboratory; (c) Electrical rating (where applicable); (d) Temperature rating (where applicable); (e) Spacing rating (where applicable); (f) Operating instructions; (g) Test instructions; (h) Maintenance instructions; (i) Replacement and service instructions. Exception: WMre space limitario1lS prohibit inclusion of 2-7 (g). '(h). and (i), a label or plaque suilllble for penllanent atlllchment within the lilling unit. or a monufacturers momull. shall be pro- vided with the equiPment and referenced on the equipment. In the case of a household fire iL'arning system. the required infonTUltion sluJlI be prominently displa.wd at the control panel. Chapter 3 Protected Premises Fire Alarm Systems 3-1 Scope. This chapter provides requirements for the application. installation, and performance of fire alarm sys- tems, including fire alarm and supervisory signals. within protected premises. 3.2 General. The systems covered in this chapter are intended to be used for the protection of life by automati- cally indicating the necessity for evacuation of the building or fire area. and for the protection of property through the automatic notification of responsible persons and for the automatic activation of fire safety functions. The require- ments of the other chapters shall also apply. Exception No. I: Where the requirements of other cluJpters conflict with the requirements of this chapter. I Exception No.2: For household fire u'flrning equiPment protect- ing a single living utlit. Sl'l' Chapter 2. 'Exception No.3: For the peifonnance, instlllkztion, and operation requirements of continuous(\" attended fire alarm system superoising