Our NEMA L5-20 Gen 1 adapter lets you charge your Tesla Model S or Model X with Gen 1 UMC at NEMA L5-20 twist-lock outlets.
This adapter has an internal circuit that communicates with the car to automatically set the appropriate 16 amp charging current. No need to manually set the current – simply plug it in! Length is 18 inches.
Which adapter do you need?
Tesla vehicles delivered prior to December 15th 2017 came with the Gen 1 UMC. All new Tesla vehicles come with the Gen 2 UMC. If you’re not sure, take a look at the charger cord that came with your car, and compare to the pictures below:
If your Tesla came with the Gen 2 UMC, it will not work with this adapter - in that case, you'll need one of our Gen 2 adapters instead. All new Tesla vehicles come with the Gen 2 UMC. If your vehicle has the Gen 1 UMC, you can use this adapter.