[Oregonsparkie]

A motion sensor will be the quickest fix. I would bite the bullet and just cut a small hole near the ceiling to get the romex thought and then fix it. Im may be more time consuming but it will look so much better and is a much better solution unless you will never care how it looks in the future. Wiremold is mounted on the surface and looks bad to me, but sometimes there is no choice.
Without knowing how the wire is ran(under the floor etc) it is hard to give advice. If it is ran under the floor and you can access it let us know. It could be an easy fix then.