Tesla's wire requirements are 5 cores 10 square mm, more than 120 meters is 5 cores 16 square mm.
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The power of Tesla household charging pile is generally divided into 7kW and 20kW, corresponding to 220V and 380V voltage respectively. It can be understood that the greater the power and voltage, the faster the charging speed. The 220V voltage charging speed is 50-60km\/h, and the 380V voltage charging speed is 70-80km\/h.