Junction Box Type-Y for 3x1.5mm²

This is a junction box for three cables with 3x1.5mm².
The maximum outer diameter of the cables is 10mm.

You can use this connectors - they fit into it and can be secured with two screws.
https://www.thingiverse.com/thing:5137685

https://www.printables.com/de/model/100420-wago-221-power-rail-cable-management-wall-mount-en

Rework the holes after printing with a drill and countersink so that everything fits well.

It is recommended to print in PETG so that the box is stable.

!! Indoor use only !!

!! Electrical work may only be carried out by electrically qualified persons. Current and voltage are life-threatening !!