Victron energy SmartSolar MPPT 150/70-Tr VE.Can Anleitung Seite 19

3.16 Wirebox
The maximum working voltage for the charge controller is considered
unsafe. Voltage carrying parts are not allowed to be operator accessible. To
comply with the requirement for protection; the charge controller must be
placed in an enclosure or fitted with a wirebox.
The wirebox also provides strain relief for the power connections.
Please enter wirebox in the in the search box on our website for more
information
17