(a) In new residential dwellings, single station smoke detectors shall be wired directly, that is, to the building's power supply. When multiple single station detectors are installed, the detectors shall be interconnected and be of a type that operates both by battery and on an alternating current (AC) primary source of electrical power, to insure the signal level is sufficient to awaken the sleeping occupants.
(b) In existing dwellings of three or less living units built before 1982, which were required to have smoke detectors installed, smoke detectors may be battery operated.
(Ord. 54-93. Passed 8-16-93.)