AFAIK, there are only two variants, one without the grounding clip and one with it. They should work with all unshielded cables and shielded cables respectively.
Agreed. There are conduits everywhere. Ceiling conduits for connecting to the rooms. Under floor conduit to put cables outside. Once outside we'll just dig or put the cables by the wall.
Agreed. There are conduits everywhere. Ceiling conduits for connecting to the rooms. Under floor conduit to put cables outside. Once outside we'll just dig or put the cables by the wall.