When wiring a room, it is customary to provide a central hub near the door, where all the wire joints occur.
Which is nice, but is still a nest of snakes to find out which is which in case of a problem. What I would immagine to be a cleaner solution, is a box with cover. When opened, it reveals joints, labels and ratings. An awesomely drawn sketch:
I am asking for either references to an existing device to facilite such setup, or reasons why that is a silly idea.