No person shall occupy a newly constructed one-family or two-family dwelling as owner-occupant, or let the same to another for occupancy, which dwelling does not have installed and in operating condition, a smoke detector on each level of such dwelling. Such smoke detectors shall be either the photoelectric or ionization type of a design approved by nationally recognized testing laboratories, such as Underwriters’ Laboratories, Inc.
(1980 Code, § 152.50) (Ord. 4268, passed 10-18-1982) Penalty, see § 152.99