Sec. 7.8. Illumination.
1. Generally. Illumination of signs using internal or external light sources is subject to the provisions and limitations of this Section.
2. Wiring and electrical components. Junction boxes, conduits, switches, sensors, transformers, wires, and other electrical or electronic components used to illuminate signs shall be hidden from view.
3. Light trespass. No sign or associated luminaire shall create light spillover of more than one (1) lux at any property line within or bounding an R-E, R-1, R-2, R-3, R-MH1, or R-MH2 Zoning District.
4. Internal illumination. Internal illumination of signs is allowed in the CC, CH-52, CE, BLI, I, and P Zoning Districts.
5. External illumination.
a. External illumination of signs shall not exceed the following illuminance on any part of the sign face or surrounding surfaces:
(1) In the CC, CH-52, CE, BLI, I, and P Zoning Districts: five hundred (500) lux.
(2) In all other zoning districts: four hundred (400) lux.
b. All fixtures used to illuminate signs shall be shielded and directed to prevent glare and sky glow.
6. Projected signs. In the D-A Zoning District, signs may be projected onto sidewalks or plazas; provided, that:
a. The angle of projection is perpendicular to the sidewalk or plaza;
b. The projector does not create glare or perceptible noise;
c. The projector is mounted under (and hidden from view by) an awning or canopy at least eight (8) feet above the surface of the sidewalk;
d. The projected image is located in front of a principal entrance to the building; and
e. The difference in illuminance between the projected image and the adjacent sidewalk surface is not more than three hundred (300) lux. (Ord. 1216 §1 (Exh. A), 2016)