Definitions.

As used in this chapter, the following terms shall have the meanings indicated:

DIRECT LIGHT

Light emitted by a fixture from the lamp, from a reflector, or through a refractor.

FACADE LIGHTING

Permanent outdoor fixtures that are specifically intended to illuminate the exterior surfaces of buildings or structures.

FIXTURE

A complete lighting unit, including a lamp together with the parts designed to distribute the light, to position and protect the lamp and to connect the lamp to the power supply.

FIXTURE LUMENS

Total lumens emitted by a fixture.

FOOTCANDLE (abbreviated fc, lm/ft2, or sometimes ft-c)

A. A non-SI (SI= International System of Units) unit of illuminance or light intensity. The name "footcandle" conveys the "illuminance cast on a surface by a one-candela source one foot away." This unit is commonly used in lighting layouts in parts of the world where SAE units are used.

B. The unit "footcandle" is defined as the amount of illumination the inside surface of a one-foot-radius sphere would be receiving if there were a uniform point source of one candela in the exact center of the sphere. Alternatively, it can be defined as the illuminance on a one-square foot surface of which there is a uniformly distributed flux of one lumen.

FULLY SHIELDED FIXTURE

A fixture that allows no direct light from the fixture above a horizontal plane through the fixture's lowest light-emitting part, in its mounted position.

GLARE

Light emitted by a fixture that causes discomfort or reduced visibility.

ILLUMINANCE

The luminous power incident per unit area of a surface.

LAMP

A light bulb or other component of a fixture that changes electricity into visible light.

LIGHT TRESPASS

Light that falls beyond the property it is intended to illuminate.

LUMEN

A standard unit of measurement of the quantity of light emitted from a lamp.

ORNAMENTAL ROADWAY LIGHTING

A roadway lighting fixture that serves a decorative function in addition to a roadway lighting function, having an historical period appearance or decorative appearance.

PARKING LOT LIGHTING

Permanent outdoor fixtures specifically intended to illuminate uncovered vehicle parking areas.

PERMANENT OUTDOOR FIXTURE

A fixture for use in an exterior environment installed with mounting not intended for relocation.

ROADWAY LIGHTING

Permanent outdoor fixtures specifically intended to illuminate public roadways.

SKY GLOW

A condition caused by light directed upwards or sideways, reducing one's ability to view the night sky.

STATE AGENCY

Any state department, office, board, commission, agency or a public authority or public benefit corporation, at least one of whose members is appointed by the governor.