Light sources to illuminate signs shall be reflected and shielded and not be of excessive brightness or cause glare hazardous to pedestrians or auto drivers or be objectionable to adjacent residential districts. The colors red or green, whether in direct illumination or reflection, shall not be used where it may interfere with the sight lines of a traffic signal. Flashing, moving or intermittent illumination and outline lighting shall not be permitted by right.
Signs in residential districts shall not be illuminated, except for residential number signs, nameplates, bulletin boards for institutions and permanent development signs for apartments. All signs in commercial and industrial districts may be illuminated. Such sign illumination shall not be of excessive brightness or cause objectionable glare.
Holiday display lighting shall not be restricted by the foregoing regulations.