For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
PHOTOELECTRIC or IONIZATION-TYPE APPROVED SMOKE DETECTOR. Any photoelectric or ionization type smoke detector listed by Underwriters Laboratories or other organization accepted by the city and which complies with the requirements of the NFPA 74, 1984 edition, and any amendments thereto, with respect to manufacture and location and which emits an alarm which is audible in the sleeping rooms.
ELECTRIC-POWERED SMOKE DETECTOR.
(1) Smoke detectors utilizing an AC primary source of electric power shall be used.
(2) Electrical power shall be a dependable commercial light and power supply source. A visible “power on” indicator shall be provided.
(3) A restraining means shall be used at the plug-in of any cord-connected installation.
(4) No detector shall be subject to loss of power by a wall switch.
(5) Neither loss nor restoration of primary power shall cause an alarm signal.
(6) No extension cord shall be used for a cord-connected installation.
BATTERY-POWERED SMOKE DETECTOR.
(1) All power requirements shall be met for at least one year's life, including weekly testing.
(2) A distinctive audible trouble signal shall be given before the battery is incapable of operating the device for alarm purposes.
(3) The unit shall be capable of producing an alarm signal for at least four minutes at the battery voltage at which a trouble signal is normally obtained, followed by seven days of trouble signal operation.
(4) The audible trouble signal shall be produced at least once every minute for seven consecutive days.
(5) The monitored battery-powered detectors meeting these specifications shall be clearly identified on the unit near the battery compartment.
(6) Detectors having a test button in order to test the unit are desirable.
('72 Code, § 12-71) (Ord. O-86-4, passed 1-22-86)