Some people have used clear plastic boxes - either ones designed for electrical connections or regular cargo boxes with tight lids and a cutout added - to protect their EVSE. This is an especially good idea for the portable ones.
Scarlet Ember 2018 Leaf SL W/ Pro Pilot
2009 Vectrix VX-1 W/18 Leaf modules, & 3 EZIP E-bicycles.
BAFX OBDII Dongle
PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.