DEFINITIONS
Acre or net acre -- any 43,560 contiguous square feet or total of portions thereof within the same
parcel if dissected by existing roads or land dedicated for roads.
Fixture -- The assembly that holds the lamp (bulb) in a lighting system. It includes the elements
designed to give light output control, such as a reflector (mirror) or refractor (lens), the ballast,
housing, and the attachment parts.
Full-cutoff (fco) -- a light fixture which cuts off all upward transmission of light.
Glare -- discomfort experienced by an observer with a direct line of sight to a light source which
often results in visual impairment.
HID lighting -- high intensity discharge lighting, a family of bulb type including mercury vapor,
metal halide, high pressure or low pressure sodium, which glow when an electric current is passed
through a gas mixture inside the bulb