Victron MPPT WireBox-S 100-20 (for 100/20)

The MPPT WireBox provides an extra level of safety, and is particularly useful if your MPPT Solar Charger is installed in a general access area. It covers all DC terminals, preventing accidental or inquisitive contact with terminal screws.

There are various sizes available:
MPPT WireBox-S 75-10/15
MPPT WireBox-S 100-15
MPPT WireBox-S 100-20
MPPT WireBox-M 100-30/50 & 150/35
MPPT WireBox-L Tr 150-45/60/70 & 250-60/70
MPPT WireBox-XL Tr 150-85/100 & 250-85/100
MPPT WireBox-XL Tr 150-85/100 & 250-85/100 VE.Can