10-9-18: SIGN LIGHTING REQUIREMENTS:
   A.   As provided by section 10-9-4 of this chapter, no sign shall have intermittent or flashing illumination, animated or moving parts, rotating or simulating movement by any means of fluttering, spinning or reflection devices or that emits sound.
   B.   In addition to the sign requirements provided in section 10-9-17, table 10-9-2 of this chapter, the following sign lighting requirements are provided to achieve the purposes of this title:
      1.   Externally illuminated signs are permitted as follows:
         a.   All externally lit signs shall be illuminated with steady, fully shielded light sources aimed directly onto the sign.
         b.   No fixture used to illuminate signs shall be directed toward any adjacent properties.
         c.   All light sources shall be fully shielded or hooded.
      2.   Internally illuminated signs are permitted as follows:
         a.   Individual backlit letters that are silhouetted against an illuminated wall.
         b.   Individual letters with translucent faces, containing lighting elements inside each letter.
         c.   Metal faced box signs with cutout letters and soft glow fluorescent tubes.
      3.   Changeable copy signs and electronic message centers may be installed as a part of an allowed sign but shall not exceed forty percent (40%) of the total sign face area. (Ord. 12-12-04, 12-4-2012)