[Ord. of 12-3-1962, § 260.1; Ord. of 4-3-1989, § 14]
(a) 
Every habitable room shall have at least one window or skylight facing directly to the outdoors. The minimum aggregate area available for unobstructed light shall be not less than 8% of the floor area of such rooms.
(b) 
Whenever walls or other portions of structures face the window of a habitable room and the ratio of the distance between the window and the obstruction and the height of the obstruction above the window sill is greater than one to six, such window shall not be deemed to face directly to the outdoors or be included as contributing to the total window area. These regulations shall not be interpreted as applicable to new construction under any circumstances.
[Ord. of 12-3-1962, § 260.2]
(a) 
Every stair, hall, cellar and basement located in a structure used for human habitation shall have adequate natural or artificial light available at all times.
(b) 
The natural or artificial lighting available shall not be less than three footcandles [three lumens] measured in the darkest portions of normally traveled passageways and stairs.
[Ord. of 12-3-1962, § 260.3]
Every laundry, furnace room and all similar nonhabitable work space located in a structure used for human habitation shall have adequate natural or artificial lighting available at all times.
[Ord. of 12-3-1962, § 260.4]
(a) 
Every public hall and common stairway located in a structure used for human habitation and which is used primarily for ingress and egress in connection with two or more dwelling units in rooming units shall be supplied with a proper amount of natural light or lighting facilities controllable by the occupants of the structure and shall be available at all times.
(b) 
The natural or artificial lighting provided shall not be less than five footcandles [five lumens] measured in the darkest portions of normally traveled stairs and passageways during the darkest hours of the day.
(c) 
Structures containing three or more dwelling units or where rooms are let to five or more persons shall meet the requirements of the Multiple Residence Law.
[Ord. of 12-3-1962, § 260.5; Ord. of 8-19-1968[1]]
(a) 
Every habitable room shall have a minimum of duplex receptacles and fixtures properly connected to a source of electrical power (as required by Section 12-122) as follows:
Type of Room
Duplex Receptacles or
Duplex Receptacles and
Fixtures
Bedrooms:
Up to 200 square feet
2
1
1
Up to 300 square feet
3
2
1
Kitchen
—
2
1
Bathroom
—
1
1
Living room
4
3
1
Dining room
2
1
1
(b) 
At least one duplex receptacle in a kitchen shall be not less than 20 amperes.
(c) 
Where more than one duplex receptacle is required, they shall not be installed or maintained closer to one another 12 linear feet.
[1]
Amendment note: Prior to amendment by Section 1 of an ordinance of 8-19-1968, § 12-157 provided that each habitable room have at least one electrical outlet and one fixture or two outlets, and that the artificial lighting equipment provide a minimum of one watt per square foot.
[Ord. of 12-3-1962, § 260.6]
Every bathroom, shower room, toilet room or compartment located in a structure used for human habitation shall have permanently installed artificial lighting fixtures. The switches shall be so located as to avoid danger of electrical hazards.
[Ord. of 12-3-1962, § 260.7]
(a) 
Every habitable room shall be ventilated either by openable areas equal to 45% of the required window area or by equivalent mechanical ventilation.
(b) 
Openable areas for ventilation shall include windows, skylights, louvers, monitors or similar openings. Windows, skylights, louvers and other apertures used for ventilation shall be easily openable. Ventilating systems shall be provided with proper openings for incoming or outgoing air to obtain the required circulation.
[Ord. of 12-3-1962, § 260.8]
(a) 
Every bathroom, shower room, toilet room or compartment located in a structure used for human habitation, shall be adequately ventilated.
(b) 
Bathrooms, shower rooms, toilet rooms or compartments shall have ventilation either by openable areas, the total of which shall not be less than 1 1/2 square feet facing open space, or by other methods which shall give equivalent ventilation.