They make them, but they're probably too bulky for your needs. There's many mfgs .. here's one: Cable Ramps & Protectors | Discount RampsWhat I do want to make it even better--
There is a company, well one specifically that makes affordable, but high-quality molded plastic cable covers instead of using mats like I did for the power running through tables. Let me know if you know of any.
For the L1 to L1 signal, I hid under the edge of the dancefloor., but knowing that I could go wireless is amazing with the new Yeti/Shure Wireless setup.
Markertek is a big seller as well: Cable Protectors | Markertek
When I did live work, I made a few out of 2x6 lumber .. angles on the top edges to drive over and channels dadoed in the bottom for cables.