(a) This subtitle applies throughout the State, including Baltimore City. (b) An automatic smoke alarm shall be provided in each sleeping area within each residential occupancy, including one– and two–family dwellings, lodging or rooming houses, hotels, dormitories, and apartment buildings, as defined in NFPA 101: Life Safety Code as adopted by the State Fire Prevention Commission. (c) Smoke alarms shall: (1) be installed in accordance with NFPA 72: National Fire Alarm Code as referenced by the State Fire Prevention Code; (2) be listed and labeled by a nationally recognized testing laboratory to comply with Underwriters Laboratories (UL) 217, 'Standard for safety for single and multiple station smoke alarms'; (3) be suitable for sensing visible or invisible products of combustion; and (4) sound an alarm suitable to warn the occupants. (d) Local jurisdictions may adopt smoke alarm regulations that are more stringent than the provisions of this subtitle.
Maryland Legal Code