Our new NEMA 14-50 Gen 1 adapter lets you charge your Tesla Model S or Model X with Gen 1 UMC at NEMA 14-50 outlets. This adapter is also fully compatible with the JESLA™ charger for use with other EVs. These outlets are commonly found at RV parks/campgrounds, and is often used for electric ovens in homes.

This adapter has an internal circuit that communicates with the car to automatically set the appropriate 40 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:

Visual comparison of Gen 1 vs Gen 2 UMC

If your vehicle came with the Gen 2 UMC, it will not work with this adapter – choose one of the adapters in this category instead. All new Tesla vehicles come with the Gen 2 UMC. If your vehicle has the Gen 1 UMC, you can use this adapter.

Weight 1.2875 lbs
Dimensions 8 × 4 × 4 in

1 review for NEMA 14-50 Adapter for Tesla Model S and Model X Gen 1

  1. Talha (verified owner)

    Verified reviewVerified review - view originalExternal link

    Product works as described, and I personally think it’s better than the one Tesla offers on their website. Gives an additional length of wire to play with in your set up as well as a sturdy plug so you know it’s firmly inserted into the receptacle.

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