Amazon.com: Parkworld 63272 EV Adapter NEMA L6-30P to 14-50R 1-Piece Compact Adaptor (ONLY for Tesla UMC or Other EV Charging, NOT for RV) : Automotive
Wiki - European UMC adapter resistor coding | Tesla Motors Club
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Amazon.com: Parkworld 63265 EV Adapter NEMA L6-20P to 14-50R 1-Piece Compact Adaptor (ONLY for Tesla UMC or Other EV Charging, NOT for RV) : Tools & Home Improvement
Tesla 16A Blue Gen2 UMC adaptor – Xavelec
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Amazon.com: PRIMECOM Tesla J1772 Adapter from UMC (Tesla Connector) to J1772 (Type-1 US EV Connector) : Automotive