A permit is different than an inspection. The permit doesn't do much. The inspection may possibly get someone knowledgeable to catch mistakes.
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240V home charger installation
- Thread starter Garudagold
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- 240v charger nema 14-50
No. It depends on how rebellious/independent your state or city are. I live in Idaho, which still has a lot of background history and attitude that comes from the frontier, pioneer, homesteader, leave me the f&%$ alone, don't want no government, kind of stuff. So a homeowner is allowed to do many kinds of upgrades and improvements to his house without needing permits or inspections.
davewill
Active Member
It eliminates some legal and liability worries, but if it's still done wrong and burns your house down, that'll be cold comfort.
SageBrush
REJECT Fascism
The wall connector can be set to lower max Amps if the breaker/wire only support less Amps
SageBrush
REJECT Fascism
If you substitute a TWC for the 14-50, that breaker and wire should be compliant.
Sort of. The amp level is right, except that code does have that irritating requirement that breakers for EV charging outlets must be GFCI type, which this isn't.
Right, and that would also be the correct breaker type for a wall connector since hard wired devices don't require GFCI breakers.
That breaker requirement is such a pain that I just don't want to recommend outlets to anyone anymore.
Nvm , got it , you mean Tesla wall connector , now I spent for electrician and mobile connector and the reason going for it is I drive very less , was using regular 110v charging for last 6 months as I drive very less , work from home
He is builder contracted electrician, he has done TWC earlier and mentioned never installed 240v outlet for EV , so the confusion
Fwiw, folks pretty regularly claim a 14-50 receptacle should be paired with a 50a breaker. This is not true. The outlet capacity is not a detriment so long as it meets or exceeds the circuit (breaker and wiring) capacity. example: Nothing wrong with using a 14-50 receptacle on a 40 amp breaker So long as wiring as wiring matches the breaker. That would be fine for a mobile charger, as one example.
similarly, a GFCI breaker, while defined by current code, may not be required. It certainly is not in my town, as our code compliance spec is something like 2014 code version. That’s not all that unusual. Some consider their absence a ghastly safety violation. I do not. Ymmv.
similarly, a GFCI breaker, while defined by current code, may not be required. It certainly is not in my town, as our code compliance spec is something like 2014 code version. That’s not all that unusual. Some consider their absence a ghastly safety violation. I do not. Ymmv.
Tesla does list certified electricians. I used a Tesla certified electrician and he was cognizant of all the relevant issues with installing a Tesla wall charger (60 amp breaker, conduit, wire rating, set up of the charger). Install went well and the inspector complimented the electrician's work. It was expensive but the utility reimbursed me for the install.
This is a little subjective, because the words "should be" don't have a definite meaning. I would say they should be, so I consider it true. It can cause confusion and problems if people don't, so I recommend that the better and preferred way should be just doing it as a 50A circuit.
You are talking about "must be", and you're correct that it is not a requirement.
Right, that does depend on NEC version adoption in your state.
Let's be honest--that actually is very unusual statistically. 43 states in the U.S. are on NEC 2017 or 2020. That is the vast majority of states that do have this requirement. So yes, it is unusual to not have it now (see map of NEC versions below).
Learn where the National Electrical Code® (NEC®) is enforced. | NFPA
Discover which edition of the NFPA 70, National Electrical Code (NEC) is enforced in your state.
www.nfpa.org
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