How about going to officemax and buying a cable cover ? I have the same situation - I just put a thin piece of foam over the cable, and a small throw carpet over that - works fine.
Wife stepping on speaker wire
I'm looking for a heavy duty, thick pair of speaker wire that she can see from a great distance. I have never come across a person that has no regard where she plops down her size 8's. Any suggestions would be a god send.