Definitions
Compiled text through Sep 15, 2021
Register checked through Jul 29, 2026
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Source receipt
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Latest notice
- GNS-07-16-00013-A · Adopted rule · Oct 5, 2016
- Source snapshot
- Jun 6, 2026
(a)Direct light means light emitted by a fixture from the lamp, from a reflector, or through a refractor.
(b)Facade lighting means permanent outdoor fixtures that are specifically intended to illuminate the exterior surfaces of buildings or structures.
(c)Fully shielded fixture means 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.
(d)Fixture lumens means total lumens emitted by a fixture.
(e)Glare means light emitted by a fixture that causes discomfort or reduced visibility.
(f)Illuminance means the luminous power incident per unit area of a surface.
(g)Lamp means a light bulb or other component of a fixture that changes electricity into visible light.
(h)Light trespass means light that falls beyond the property it is intended to illuminate.
(i)Lumen means a standard unit of measurement of the quantity of light emitted from a lamp.
(j)Fixture means 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.
(k)Ornamental roadway lighting means a roadway lighting fixture that serves a decorative function in addition to a roadway lighting function, having an historical period appearance or decorative appearance.
(l)Parking-lot lighting means permanent outdoor fixtures specifically intended to illuminate uncovered vehicle parking areas.
(m)Permanent outdoor fixture means a fixture for use in an exterior environment installed with mounting not intended for relocation.
(n)Roadway lighting means permanent outdoor fixtures specifically intended to illuminate public roadways.
(o)Sky glow means a condition caused by light directed upwards or sideways reducing one’s ability to view the night sky.
(p)State agency means 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.