Plumbing, heating, electrical, ventilating, air-conditioning, refrigerating,
cooking, fire-protection and radiation-production 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 systems will not be a danger to health or a source of ignition
or a radiation hazard and will not create excessive noise or otherwise
become a nuisance. Equipment and systems include but are not limited
to apparatus, devices, fixtures, piping, pipe hangers, pipe covering,
wiring, fittings and materials used as part of or in connection with
such installations.