(a)    Unless otherwise provided, all signs permitted by this chapter may be illuminated by external or internal means.
   (b)    In addition to complying with the provisions of this chapter, all signs in which electrical wiring and connections are to be used shall be subject to the applicable provisions of the National Electrical Code.  (Ord. 14-07.  Passed 8-28-07.)
   (c)   All signs shall conform to the following luminance requirements:  During the time between sunrise and sunset, the surface luminosity of such sign shall not exceed 5,000 nits in sunlight conditions.  During all other hours of a day, the surface luminosity of the sign shall not exceed 350 nits.  The sign shall be equipped with automatic controls to incrementally adjust the sign luminance between day and night maximums based on current ambient light conditions such as overcast or foggy days.  The sign must default to “off” if the surface luminosity controls malfunction.  The owner of the sign must provide a manufacturer’s certificate to the effect that the unit meets the requirements of this section and of Section 1315.10(g).
(Ord. 04-13.  Passed 3-25-13.)
   (d)    All signs shall be so designed, located, shielded, and directed so as to prevent the casting of glare or direct light from artificial illumination upon adjacent publicly dedicated roadways or surrounding property.
   (e)   Any illumination of signs involving up lighting shall require a Board of Zoning Appeals review. 
(Ord. 14-07.  Passed 8-28-07.)