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NEMA 14-50P to 5-15R 5-20R 6-15R 6-20R, 240V 15 Amp 20 Amp, NOT 120V.
You can use the adapter to plug 16 amp EV chargers into a 50 amp (NEMA 14-50) receptacle, the adapter passes through 240V.
You could plug a old extension cord into this adapter, plug it into the dryer outlet at a residence, and run the cord outside to the vehicle.
This adapter connector is suitable for connecting EV charger to the washer/dryer outlet.
Replace broken plug or regular old extension cord for your welder, heater, electric dryers, generator, plasma cutter, emergency EV charger, etc.

NEMA 14-50P to 5-15R 5-20R 6-15R 6-20R
Used for connecting my EV charger to the washer/dryer outlet
Package includes:
1 x Power Cord Adapter Connector