I came across this thread on electrician forum.
The main point is that building codes require the gen 3 wall charger to be wired for 60 amp breaker because the home owner could use WiFi to change the setting to max.
https://www.electriciantalk.com/threads/minimum-wire-size-for-tesla-wall-charger-gen-3.285079/page-3
Sorry to link page 3 but my tablet is a pain to use.
The main point is that building codes require the gen 3 wall charger to be wired for 60 amp breaker because the home owner could use WiFi to change the setting to max.
https://www.electriciantalk.com/threads/minimum-wire-size-for-tesla-wall-charger-gen-3.285079/page-3
Sorry to link page 3 but my tablet is a pain to use.