101-614 - Sign illuminations LAST AMENDED 6/28/2004 #Signs# may be illuminated by either: (a) internal illumination; or (b) an external source that shall be so arranged that it projects no more than 12 inches from the #sign# it illuminates, and so that no direct rays of light are projected into adjoining #buildings# or the #street#. No #flashing signs# are permitted nor are flashing or rotating light sources except #illuminated signs# that indicate the time, temperature, weather or other similar information, pursuant to the definition of #flashing sign# in Section 12-10.