You can connect the light fittings to the terminal block at the ends of the electrical wires and attach them to the central box. Drilling into the ceiling to fix light fittings is not allowed.

The light fitting above the sink, the ceiling lamp in the shower and the lamp under the kitchen cabinet are part of the room's décor.

General areas
There are lights in the common areas. You are not allowed to remove these. Is a lamp broken? Report it via the repair request.