Just ordered a Pioneer Elite 43 inch Plasma that will be mounted on the wall. The signal wires will be run behind the wall. The sales guy at magnolia insists on me purchasing a UL rated cable for running this wire behind the wall.. the cost is $350.00. Since this cable needs to be ordered, the only part number that was given to me is cablecom elite15ft. Does anyone know if I need this cable and if not, is the wire that is included in the box sufficient? thanks., raj