so it is not a good idea to get an adapter like this
https://www.evseadapters.com/collections/adapters-for-tesla/products/nema-14-30p-14-50p-14-60p-to-14-50r-universal-adapter
and plug in my nissan charger to nema 14-30R dryer plug, even though the nissan charger is rated for 30A