Unified Land Development Code - Town of Gilbert

a. FILTERED: The use of an outer lens, which serves to
control the spectral distribution from a light source. The
outer lens shall be glass, acrylic or some other
translucent enclosure. Quartz glass does not comply
with this requirement.
b. FULL CUTOFF: Fixtures that are constructed in such a manner
that light rays emitted by the fixture, either directly from
the lamp or indirectly from the fixture, are projected below
a horizontal plane running through the lowest point on the
fixture where light is emitted.
c.
FULLY SHIELDED: Refers to providing internal and/or
external shields and louvers to prevent brightness from lamps,
reflectors, refractors, and lenses from causing glare at
normal viewing angles.
d. GLARE: The sensation produced by luminance within the
visual field that is sufficiently greater than the luminance
to which the eyes are adapted to cause annoyance,
discomfort, or loss in visual performance and visibility.
Note: the magnitude of the sensation of glare depends
upon such factors as the size, position, and luminance of
the source and the llluminance to which the eyes are
adapted.
e. INSTALLED: The installation of outdoor light fixtures.
f.
g.
LOW WAITAGE: If from an incandescent fixture, 150 watts
or less. If from other sources, 70 watts or less.
OUTDOOR LIGHI' FIXTURES: Outdoor artificial illuminating
devices, lamps and other devices" permanent or portable, used
for illumination or advertisement. Such devices shall include,
but shall not be limited to, search, spot or flood lights for
buildings and structures, recreational areas, parking lot lighting,
landscape lighting, billboards and other signage and street lighting.
h.
SEMI CUTOFF: Fixtures that are constructed in such a
manner that the bottom edge of the lens extends below
the bottom plane of the fixture allowing minimal light.
5. Procedures for Compliance.
a. All outdoor light fixtures shall comply with the requirements of
this subsection. An applicant for a building, electrical or sign
permit which involves the installation of an outdoor
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