All wall signs shall be safely and securely attached to the building wall by means of noncorrosive metal anchors, bolts, or expansion screws of not less than 3/8 inch in diameter embedded in the wall at least 5 inches; however, wall signs may rest in, or be bolted to strong, noncorrosive heavy metal brackets or saddles set not over 6 feet apart, each of which shall be securely fixed to the wall as hereinbefore provided. In no case shall any wall sign be secured with wires, strips of wood, or nails.
(Ord. 90-32, passed 10-2-90)