This article shall apply to all two-family and multifamily homes, whether or not owner-occupied, and to all residential uses above office or commercial establishments, together with the land upon which said premises are located.
All rooms and spaces used for residential purposes shall be protected by one-hundred-ten-volt smoke detectors with internal battery backup, and such other detection systems meeting the standards of the within article. Normal spacing requirements shall be observed. These detectors shall be hardwired to the building's electrical service with no intervening wall switch. At least one such smoke detector shall be placed adjacent to each sleeping area and shall be located on or near the ceiling. Detectors shall be interconnected so that if any one is activated, all will sound. All wiring and wiring methods shall be in strict compliance with all applicable codes.
Within 10 days of installation, the owner or manager of the building shall contact the Fire Inspector, who shall certify that the detectors and system have been installed in accordance with the requirements of this article and other applicable codes. The owner or manager of the building shall maintain and periodically test said detectors and system to ensure that they are kept in working order.