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 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 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.