Is it possible (using HD Pro 2014) to have an electrical connection span between two floors?  For example, an upstairs hall light that can be controlled by a switch at the bottom of the stairs, or a two-story entryway with a chandelier mounted to the second floor ceiling and switch by the 1st floor entry door.  Professional CAD techniques usually involve sending the connection spline down the stairs with an arrow on the end, and picking it up on the next floor.  I can do this manually, but wasn'