I recently replaced a bathroom extractor fan. The new model uses "quick connect" electrical connectors, where I stick the house wiring into this little plastic device, and apparently that's all! The previous extractor fan used wire nuts in a metal-enclosed space similar to a junction box, but for this new model the wires just dangle out of the extractor fan module, and there's nothing in the instructions about a junction box.
Leaving the wires dangling next to the insulation in the ceiling kinda freaks me out. Is that really what I'm supposed to do, or are the connections supposed to be enclosed in something?