You can then mix and match the EV needs, especially with multiple cars are involved. The other option is a 100A (minimum) subpanel in the garage. You can then take advantage of the full 48A output (which necessitates a 60A circuit rating). This allows you to simply replace the receptacle and breaker with a direct-wire Tesla Wall Connector. Order on Amazon, along with the matching 2-1/2 inch faceplate, and simply hand it to the electrician for install.įuture proofing suggestion would be to go up to 6AWG THHN now. I'd also upgrade to an industrial NEMA 14-50R like the Hubbell HBL9450A receptacle, rather than using the contractor grade one they carry in the truck. Have the electrician install the 50A breaker, as that is exactly what the 8AWG THHN is rated at (75C). Is there any disadvantage or risk in installing a 50 amp breaker?Ĭan the level 2 evse charging cable that came with the car accept 50 amps / be put on a 50 amp circuit, just fine? I would like to use the outlet to power a future electric car, such as a tesla model y, in the future, in addition to my current 2019 leaf plus (obviously not at the same time, they would take turns).Īnd for what it is worth, I am having the electrical work permitted, so it does have to pass inspection. He is willing to put in the 50 amp breaker, though he recommends a 40 amp breaker. The breaker is designed for overload and short. The UL-listed circuit breaker is compatible with Westinghouse, Challenger and Bryant load centers. Double-Pole Type BR Replacement Circuit Breaker trips to the center position and has a maximum load of 240-Volt. HOM breakers provide 10 kA breaking capacity. Double-Pole The Eaton Cutler-Hammer 50 Amp 2 in. He will be using 8 gauge THHN wire, that is rated for 50 amps, and the 40 and 50 amp breakers cost the same. This 2 pole circuit breaker with plug in mounting is rated 50A at 120/240 VAC. However, the manual, as well as some internet searches and some posts on here, appear to point to a 50 amp breaker. Therefore, my electrician wants to install a 40 amp breaker. The charging cable (level 2 evse) that came with my 2019 Leaf Plus SL says it draws 30 amps at 240 volts.
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