A. Lighting directed toward a sign and internally illuminated signs shall be shielded so that only the face of the sign is illuminated. The light must not shine directly into a public right-of-way or residen- tial premises.

B. Illuminated tubings or strings of lights not associated with the observance of holidays that outline property lines, sales areas, roof lines, doors, windows or similar areas are prohibited.

C. No sign may contain or be illuminated by flashing or intermittent lights or lights of changing degrees of intensity, except signs indicating the time, date, weather conditions and brief messages.

D. Neon tubing of a diameter no greater than one-half inch may be used as a permanent architectural feature on a building.