No person shall occupy as owner-occupant or sublet to another for occupancy any dwelling or dwelling unit designed or intended to be used for the purpose of living, sleeping, cooking or eating therein, nor shall any vacant dwelling building be permitted to exist, which does not comply with the following requirements:
(1) 
(A) 
Every habitable room shall have at least one window or skylight facing directly to the outdoors.
(B) 
The minimum total window area, measured between stops, for every habitable room shall be 7% of the floor area of any such room, except sleeping rooms, where the minimum total window area shall be the lesser of 7% of the floor area or 12 square feet.
(C) 
If light-obstructing structures are located less than five feet from the window and extend to a level above that of the ceiling of the room, such a window shall not be deemed to face directly to the outdoors and shall not be included as contributing to the required minimum total window area.
(D) 
Whenever the only window in a room is a skylight-type window in the top of such room, the total window area of the skylight shall equal at least 15% of the total floor area of the room.
(2) 
Year-round mechanically ventilating conditioned air systems may be substituted for windows, as required herein, in rooms other than rooms used for sleeping purposes.
(2004 Code, sec. 153.040)
(a) 
Every habitable room shall have at least one window or skylight which can easily be opened or other device as will adequately ventilate the room.
(b) 
The total of openable window area in every habitable room shall equal to at least 45% of the minimum window area size or minimum skylight-type window size, as required, or shall have other approved equivalent ventilation.
(2004 Code, sec. 153.041)
Every bathroom shall comply with the light and ventilation requirements for habitable rooms, except that no window or skylight shall be required in adequately ventilated bathrooms equipped with an approved ventilation system.
(2004 Code, sec. 153.042)
Every dwelling shall be wired for electric lights and convenience receptacles. Every habitable room of the dwelling shall contain at least two separate floor or wall-type electric convenience outlets; and every kitchen, bathroom, laundry room, furnace room, corridors or hallways and porches shall contain at least one supplied ceiling or wall-type electric light fixture. Every outlet and fixture shall be properly installed in accordance with the city’s codes, shall be maintained in good and safe working condition and shall be connected to the source of electric power in a safe manner.
(2004 Code, sec. 153.043)
Every public hall and stairway in every multiple dwelling containing five or more dwelling units shall be adequately lighted at all times. Every public hall and stairway in structures devoted solely to dwelling occupancy and containing not more than four dwelling units may be supplied with conveniently located light switches, controlling an adequate lighting system which may be turned on when needed, instead of full-time lighting. All public outdoor walkways or sidewalks within multiple complexes shall be adequately lighted at all times. Adequate lighting shall be defined as an average horizontal footcandle level of 0.2 lumens per square foot, with no value of less than 0.02 lumens per square foot.
(2004 Code, sec. 153.044)