All signs shall be constructed according to all codes and standards and in such manner and of such material and workmanship that they shall be safe and substantial, shall be properly secured, supported and braced, and shall be kept with proper maintenance and repair, structurally and aesthetically. Freestanding illuminated signs permitted in this Ordinance shall be served with underground electrical service.[§ 7B-202 amended by Ord. No. 10-06, effective May 6, 2010.]