I am looking for ceiling lamps for the first one and wall lamps for the second port. Since I have a low ceiling in my apartment in an old house, I want to the use of pendant lamps.
What country is this from? I'm guessing Netherlands as Attema is located there.
Looks like it's a simple two wire terminal block and hanger hook. Under magnification, I can see the screw threads protruding into the opening where the wires insert.
You strip the lamp cord back about 1/4". After turning off the power, loosen the screws, slide the conductors in each terminal opening and tighten.
The lamp hangs from a chain attached to the hook. Allow for slack in the cord so it doesn't pull against the terminal block.