NEMA 10-30P to 14-50R Adapter for EV Only Cord Length:10 ft. The one end has that

The one end has that universal NEMA 14-30/50/60 plug

this adapter has an internal circuit that monitors the plug temperature and communicates with the car to automatically set the appropriate 24 amp charging current

Contains thermal protection designed to cut power if overheating

For your safety

and compare to the pictures below:

NEMA 10-30P to 14-50R Adapter for EV Only Cord Length:10 ft. The one end has thatThis adapter fits most dryer outlets installed in homes built prior to 1997. Made with heavy duty 10 gauge cable. Features molded three prong NEMA 10 30 plug on one end, and a NEMA 14 50 receptacle on the other end. Handles molded into connector to make it safe and easy to plug in and unplug. Available in your choice of a 2 ft. or 10 ft. length. The NEMA 10 30 is an older style outlet that is rated for 30 amps and is commonly used for electric clothes