Use a SCAME IP box or similar (not included).
Must be made a waterproof connection of at least IP68. We strongly
recommend to use special two components silicone GEL for sealing
junction boxes containing electrical connections. If the IP rating of the
connection is not observed, the complaint will not be accepted!
For example:
https://www.etelec.com/prodotto/mpgel/
Video tutorial:
https://www.youtube.com/watch?v=tj6ksKdzuE0
PRECILUM requirement:
3. INSTALLATION
12
3.3 IP BOX connection
INGROUND 15 WHITE + INGROUND 24 WHITE
INSTRUCTIONS MANUAL v1.1