(a) All rooms shall be illuminated by natural or artificial means.
(b) Ventilation equipment shall be kept clean and in good repair.
History Note: Authority G.S. 130A-4; 130A‑235; Eff. February 1, 1976; Readopted Eff. December 5, 1977; Amended Eff. July 1, 1993; October 1, 1985; July 1, 1984; Readopted Eff. April 1, 2024.