Operational control of trains shall be through DCC stations mounted beneath each module. Power distribution from the control station to the tracks shall be through 14-gauge stranded wire to connection points beneath the subroadbed. Master power feed shall be through a heavy-duty bundle custom-built for serving a cluster of six (6) modules simultaneously. These bundles shall not be permenantly affixed to any module, but each module shall have provision for firmly attaching the bundle in a location concealed by the skirting.