A. 
Plumbing, heating, electrical, ventilation, air-conditioning, refrigeration, cooking, fire-protection and radiation-producing equipment, elevators, dumbwaiters, escalators and other mechanical additions, installations or systems for the use of the building shall be installed, located and maintained so that under normal conditions of use such equipment and system will not be a danger to health or welfare, a danger because of structural defects or a source of ignition or a radiation hazard and will not create excessive noise or otherwise become a nuisance. Equipment and fixtures include but are not limited to apparatus, devices, fixtures, piping, pipe hangars, pipe covering, wiring, fitting and materials used as a part of or in connection with such installations.
B. 
All equipment and systems shall be adequately protected against freezing and fire.
C. 
Moving parts of equipment which may be a potential hazard shall be guarded to protect against accidental contact.
A. 
Plumbing fixtures, equipment and systems shall be maintained in a sanitary and serviceable condition.
B. 
Plumbing fixtures, equipment and systems shall be maintained so as not to weaken structural members, nor cause damage or deterioration to any part of the building through fixture usage.
A. 
Potable water from an approved source shall be available at all times in residential buildings. The domestic water supply system of the building shall be connected to such approved source and shall not be subject to contamination. When supplied from a public source, the potable water supply system shall not be connected to private or unsafe water supplies.
B. 
Water supply systems shall be installed and maintained so as to provide at all times a supply of water to plumbing fixtures, devices and appurtenances in sufficient volume and at a pressure adequate to enable them to function satisfactorily and without undue noise under all normal conditions of use.
C. 
Water supply systems shall be installed and maintained so that water used for purposes of cooling or heating shall not be reintroduced into the domestic water supply system nor be distributed through such equipment to plumbing fixtures.
A. 
Plumbing fixtures shall be drained to a sewage drainage system, and such system shall be connected to a public sewer or to an adequate and approved system of sewage disposal.
B. 
Where a public sewer is not available, a system shall be provided to receive and dispose of sewage without health hazards or nuisances, and at no time shall sewage be expelled to the surface of the ground and allowed to collect on the ground or flow upon property of an adjoining owner, sidewalk, street or public place.
C. 
Each fixture directly connected to the sewage drainage system shall be equipped with a water seal trap.
D. 
Adequate cleanouts shall be provided and maintained so that the pipes may be readily cleaned.
E. 
The drainage system and its attendant vent piping shall be maintained so as to provide adequate circulation of air in all pipes in order that siphonage, aspiration or pressure will not cause a loss of the trap seal under ordinary conditions of use.
F. 
Each vent terminal to the outer air shall be installed and maintained so as to minimize the possibilities of clogging, frost closure, the return of foul air to the building or the creation of a nuisance to adjacent premises.
Roofs and paved areas, including yards and courts, shall be drained. Storm drainage shall be conveyed to an adequate and approved system of stormwater disposal and shall not collect on the ground or flow upon property of an adjoining owner, sidewalk or other public place.
A. 
Buildings and portions thereof shall be provided with plumbing systems designed to dispose of the sewage from all fixtures and to furnish cold water to every water closet and urinal and hot and cold water to every sink, lavatory, bathtub and shower required therein.
B. 
There shall be provided within each dwelling unit plumbing fixtures consisting of at least one kitchen sink, one water closet, one bathtub or shower and one lavatory.
C. 
Privies, privy vaults and outhouses shall be prohibited on residential premises.
A. 
Electrical wiring and equipment shall be installed and maintained in conformity with the standards of the New York Board of Fire Underwriters or National Electric Code so as not to be a potential source of ignition of combustible material or a potential source of electrical hazard.
B. 
Electrical wiring and equipment shall be firmly secured to the surface on which it is mounted.
C. 
Electrical wiring and equipment installed in damp or wet locations or where exposed to explosive or flammable gases or to excessive temperatures shall be of a type approved for the purpose and location.
D. 
Electrical wiring and equipment shall be protected against excessive current by properly rated overcurrent devices.
E. 
Electrical wiring and equipment shall be grounded or otherwise protected by insulation, isolation or guarding so as to minimize the danger of high voltage from lightning or other causes.
F. 
Electrical equipment, which in ordinary operation produces arcs or sparks, shall be enclosed unless separated and isolated from all combustible material.
G. 
Service equipment and overcurrent protection devices shall be installed and maintained in a readily accessible location.
H. 
At least three electrical outlets shall be provided in each room used and occupied by a person or persons.
Lighting equipment shall be installed and maintained throughout each unit, public space and building in accordance with the standards of the New York Board of Fire Underwriters or National Electric Code to provide adequate illumination for the intended use of each space. Electric wiring systems shall be connected to an adequate source of supply. There shall be a switch or other means for controlling a light in each dwelling unit and rooming unit near the point of entry to such unit. There shall be adequate illumination in all public spaces and at each entrance, exit and outdoor steps or stairway of any building.
A. 
Exits in multiple dwellings shall be provided with exit and directional signs visible from the approach to the exits, except that such signs shall not be required in those portions of a building which contain dwelling units only or in which exits from sleeping rooms are directly to the outside.
B. 
Directional signs shall be provided at locations from which the exit doorway is not readily discernible.
C. 
Signs shall be worded in plainly legible block letters with the word "exit" for exit signs and the words "to exit," with a suitable pointer or arrow indicating the direction of the exit, for directional signs. Letters for signs shall be conspicuous, readily discernible and at least six inches high, except that, for internally illuminated signs, the height of such letters shall be at least 4 1/2 inches.
D. 
Exit and directional signs shall be illuminated either externally or internally by electric lights and shall be kept illuminated at all times when the building is occupied.
E. 
Emergency lighting shall be provided in hallways and interior stairways of buildings two stories in height and over.
A. 
Each dwelling unit shall be provided with appropriate cooking equipment.
B. 
Cooking and refrigeration equipment shall be maintained in good operating condition.
C. 
Gas-burning cooking equipment shall be permanently fastened and connected in place. Gas supply connections to such equipment shall be made with pipes or tubing of solid material and a shutoff shall be provided at each fixture.
D. 
Solid-fuel-burning cooking equipment shall be appropriately vented.
E. 
All gas-burning appliances shall be installed in accordance with the standards of the American Gas Association, the National Fire Protection Association and the Long Island Lighting Company. In cases of conflict, Long Island Lighting Company standards shall apply.
F. 
Portable stoves using gasoline or similar highly volatile substance for fuel are prohibited.
A. 
Fire alarm systems, where required by law, shall be maintained in proper operating condition at all times. In multiple dwellings, smoke-detection equipment shall be maintained in all public halls, and all heating rooms shall be provided with heat detectors.
B. 
Any and all sprinkler equipment which is required by law or which has been installed otherwise shall be maintained in proper operating condition at all times. Storage of materials shall cause a minimum amount of interference to the effective discharge of water. Valves controlling the water supply to sprinklers shall be secure in the open position, and sprinkler heads shall be maintained free of corrosion and paint.
C. 
Each oil burner for a boiler, furnace or central hot-water heater shall be provided with an approved hand fire extinguisher. Portable extinguishers required for fire protection shall be in their designated locations and in a condition which will permit efficient operation without delay.
D. 
Every furnace shall be located in an area the ceiling of which and walls, if any, are covered with fire-retardant material. Each area shall have an electric supply shut off at the entrance thereof.