Articles compiled from NEC 625, manufacturer-published onboard-charger specs (Tesla, Ford, Rivian, Hyundai, Chevy, BMW, Mercedes), and CSLB C-10 install practice. Real electrical-code rules, real onboard-charger specs, no marketing fluff.
Onboard charger caps explained for every EV in our service area. Why installing higher amps than your car can use is wasted money.
Hardwired is faster, warrantied, permanent. Plug-in is cheaper, portable, capped at 32A. The decision rule.
100A vs 125A vs 150A vs 200A — what each can support. NEC 220 demand math in plain English.
Your car's onboard charger sets the cap. Anything above it is wasted. Includes the model-by-model table.