All exit areas shall be adequately lighted by electricity. Except in single-family and two-family dwellings, such lighting shall be continuous during the time that conditions of occupancy require that the exit ways be open or available and the intensity of lighting required in Section 13-160-670 is not provided by means of natural light. Emergency exit lighting shall be provided in intermediate care facilities for the developmentally disabled – 15 or less.
(Prior code § 67-17; Amend Coun. J. 12-21-84, p. 12140)