ANSI
Shall mean the American National Standards Institute.
ANSI/IES LIGHTING STANDARDS
Shall mean applicable outdoor lighting standards and metrics include but are not limited to: 1) RP-2: outdoor retail spaces, 2) RP-6: outdoor sports and recreational areas, 3) RP-7: outdoor industrial areas, 4) RP-8: roadway and parking facilities, 5) RP-40: port terminals, 6) RP-43: outdoor pedestrian areas.
CANDELA (CD)
Shall mean the unit of measure for luminous intensity.
CCT (CORRELATED COLOR TEMPERATURE)
Shall mean the measured color appearance of light emitted by a light source described using a nominal value stated in kelvins (K). Lower CCTs (1800 K to 2200 K) appear very warm or amber. Medium CCTs (2700 K to 3000 K) appear "warm white," similar to standard incandescent bulbs. High CCTs (4000 K and higher) appear "cool white" or "blue."
DISTRIBUTION
Shall mean the way light is spread across a given area.
FOOTCANDLE
Shall mean the unit of measure expressing the quantity of light received on a surface. One footcandle is the illuminance produced by a candle on a surface one foot square from a distance of one foot.
FULLY SHIELDED
Shall mean a luminaire designed or shielded in such a manner that no light is emitted, either directly or indirectly, at or above a horizontal plane running through the lowest light-emitting part of the luminaire (has a U0 Uplight Rating).
GLARE
Shall mean lighting entering the eye directly from luminaires or indirectly from reflective surfaces that causes visual discomfort or reduced visibility.
IES (ILLUMINATING ENGINEERING SOCIETY)
Shall mean an ANSI-recognized Standards Development Organization. ANSI/IES Recommended Practices are universally recognized as authoritative references for lighting applications.
ILLUMINANCE
Shall mean measured in lux or footcandles, the total luminous flux incident at a point on a surface (light level on a surface).
LIGHT LEVEL
Shall mean the maintained luminance or illuminance value.
LIGHT POLLUTION
Shall mean artificial light traveling into areas where it is not needed or wanted. This can be in the form of light trespass, glare, or atmospheric sky glow.
LIGHT TRESPASS
Shall mean illumination past property lines without permission. Unless specified otherwise, light trespass limits are measured at any location along a property line both horizontally at the ground plane facing upward and vertically at 1.5 meters (five feet) above grade with the meter aimed toward the light source in question.
LIGHTING EQUIPMENT
Shall mean equipment specifically intended to provide gas or electric illumination, including, but not limited to, lamp(s), luminaire(s), ballast(s), poles, posts, lens(s), and related structures, electrical wiring, and other necessary or auxiliary components.
LUMEN
Shall mean the unit of measure used to quantify the amount of light produced by a lamp or emitted from a luminaire (as distinct from "watt," a measure of power consumption). One lumen per square foot is equivalent to one footcandle. In terms of SI units, one lumen per square foot is approximately equivalent to 10.76 lux.
LUMINAIRE
Shall mean a complete lighting unit, including the light source, housing, optics, electronics, and other necessary components for the purpose of providing outdoor illumination.
LUMINANCE
Shall mean the intensity of light emitted from a light source per unit area in a given direction.
LUX
Shall mean the SI unit of illuminance. One lux is one lumen per square meter. One lux is a unit of incident illuminance approximately equal to 1/10 footcandle.
MOUNTING HEIGHT
Shall mean the height of the photometric center of a luminaire above grade level. The horizontal spacing of poles is often measured in units of "mounting height." Example: "The luminaires can be spaced up to four mounting heights apart."
NADIR
Shall mean the downward vertical vector directly beneath a luminaire.
ORNAMENTAL LIGHTING
Shall mean lighting that does not impact the function and safety of an area but is purely decorative, or used to illuminate architecture and/or landscaping, and installed for aesthetic effect.
REPAIR(S)
Shall mean the reconstruction or renewal of any part of an existing luminaire for the purpose of its ongoing operation, other than relamping or replacement of components including capacitor, ballast or photocell. Note that retrofitting a luminaire with new lamp and/or ballast technology is not considered a repair and for the purposes of this ordinance the luminaire shall be treated as if new. "Repair" does not include normal relamping or replacement of components including capacitor, ballast or photocell.
REPLACEMENT LIGHTING
Shall mean lighting installed specifically to replace existing lighting that is sufficiently broken to be beyond repair.
SKY GLOW
Shall mean the brightening of the nighttime sky that results from scattering and reflection of artificial light by moisture and dust particles in the atmosphere. Skyglow is caused by light directed or reflected upwards or sideways and reduces one's ability to view the night sky.
TEMPORARY LIGHTING
Shall mean lighting installed and operated for periods not to exceed 60 days, completely removed and not operated again for at least 30 days.
TEMPORARY SEASONAL LIGHTING
Shall mean lighting installed and operated in connection with holidays or traditions.
TOWNSHIP AGENCY
Shall mean the Saddle Brook Township entity having jurisdiction over outdoor lighting, including the Planning Board, Zoning Board, Zoning Officer, Township Engineer, Construction Official, Public Works, or Code Enforcement Officer, as applicable.
UPLIGHT
Shall mean for an exterior luminaire, light emitted at or above the horizontal plane.