I’ve had my table up and running for a couple of weeks; decided to swap out the rigid monitor arm for an articulating one. So much nicer to be able to swivel the monitor around; frees up the space around that corner of the table. I put together a video of the process:
There are 3 cables; USB (runs between the PC and the electronics enclosure), power for the monitor, and power for the PC. In my case, the PC power cable was the shortest. I had to add an extension cable when I installed the articulating mount. The other 2 cables were long enough, with a few inches to spare. I already had the necessary extension cable (uses the same plugs as 12V LED strip lights). This is the extension I used: