I always worry around this type of mess-of-wires setups, especially if it's in cramped space where an errant elbow can dislodge something. Shouldn't there be covers on these things?
First of all this place isn't meant to be occupied by people on a regular basis. Other than for safety inspections, maintenance and repairs, no one is supposed to be in there, especially not during flight.
Secondly, covers would introduce a lot of problems: additional weight, additional points of failure (e.g. damaging wires if broken/loose somehow), the need to be fireproof and not emitting toxic smoke if getting hot, accessibility issues (covers need to be fixed and removeable), longer inspection times (need to remove covers before inspecting cables), etc.
In this particular environment, covers are unnecessary and introduce more problems than they solve; as mentioned above, no one is supposed to be in there during regular operation.
Third: If something gets disconnected than the computer knows about it, and reports it.
Forth: It's probably not that easy to dislodge anything because in flight it has to survive more than an elbow.
Fifth: there are covers on the devices and cabels where they think it's necessary because of human movement, you can see it in the video here: https://youtu.be/241-5DZyons?t=152
Secondly, covers would introduce a lot of problems: additional weight, additional points of failure (e.g. damaging wires if broken/loose somehow), the need to be fireproof and not emitting toxic smoke if getting hot, accessibility issues (covers need to be fixed and removeable), longer inspection times (need to remove covers before inspecting cables), etc.
In this particular environment, covers are unnecessary and introduce more problems than they solve; as mentioned above, no one is supposed to be in there during regular operation.