Definitions. As used in this section, the following terms shall have the meanings indicated:
CONE OF ILLUMINATION
The conical shaped volume of light emanating from a light fixture and directed toward the ground. The ground level intensity may be measured in concentric circles. For wall-mounted fixtures the ground pattern will be a semicircle.
CUTOFF FIXTURE
Pole-mounted light fixtures designed to radiate almost no light above a plane 10° below horizontal from the lens of the fixture.
FLOODLIGHT
A fixture which is designed to concentrate a substantial amount of light in a concentrated area and in a direction other than downward.
FOOTCANDLE
The traditional measure of light intensity, based on one rumen distributed over one square foot.
LIGHT CURFEWS
Light intensity reduction to 50 or less of the regular intensity by automatic control within 30 minutes of the close of business.
LIGHT TRESPASS
Light shining beyond the property line on which the fixture is located.
SECURITY LIGHTING
Fixtures that are activated by motion or occupancy sensors and designed to remain activated for less than 1/2 hour.