(a) Generally. Each patient's room shall be lighted by outside windows and shall also have artificial light adequate for reading and other uses as needed. All entrances, hallways, stairways, inclines, ramps, cellars, attics, storerooms, kitchens, laundries and service units shall have sufficient artificial lighting to prevent accidents and promote efficiency of service.
(b) Emergency lighting. Emergency lighting shall be provided and readily available to personnel on duty. Open flame shall not be used for illumination. (Mont. Co. Code 1965, § 89-34.)