Questions tagged [electric-vehicle]

Plug-in electric vehicles can use a variety of chargers. These chargers are often high-current, 240V installations and typically require dedicated circuits. Chargers may be hard-wired or plug in to sockets. Specifics vary by manufacturer and vehicle model.

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Installing Nema 14-50R Outlet In Garage

Our garage has a panel but no main breaker, instead what would be the "main" is a 60 amp breaker in the basement panel. If I want to install a 50 or 60 amp breaker on the garage panel, would ...
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Design for 40A max continuous EV circuit on sub-panel

I got my hands on a 40A EV "charger" that I'd like to attach to a sub-panel in the garage. (I put "charger" in quotes because the cord with the bump is just a fancy relay; the ...
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EV charger wiring - sub-panel requirements

I am looking to add a 30A outlet in my garage for the purpose of charging an EV. My home has 200A service coming through the main panel, and currently there are no sub-panels except one for the ...
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80A vs 60A for garage EV charger

We are planning to put in a new circuit in our garage for an EV charger. The main panel (200A) is on the other side of the exterior of where we would put it, so it’s only maybe ~4 feet of cable needed....
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Running EV Charger Wiring through Crawlspace

I'm looking to purchase and install a Tesla home charger since I'm tired of charging on a 120V outlet. I've been reading a bit and think I have a plan, but since this would be my first time doing any ...
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Can I install two 60 amp EV chargers on a 100 amp subpanel?

I have 200amp service for the house and I'm looking to potentially add capacity for two EV chargers in the garage. I'm hoping to install two EV chargers that can charge up to 48 amps each. I know that ...
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Wiring for EV chargers in detached garage

I'm remodeling my detached 3-car garage, so decided to have some 240VAC circuits installed for EV charging and possibly running 240VAC tools should the need arise. I don't actually have immediate ...
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Can 6/3 cable be run in PVC conduit? [duplicate]

An electrician friend is installing a new Nema 14-50 plug in my garage for my Tesla. I ran 125' of Romex 6/3 cable from my panel to the garage. He will be installing a 50A breaker as well. My ...
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EVPS conduit recommendation

I’m installing a 240v 60a branch for a hardwired ChargePoint Home Flex, set to a 48a load. I’m planning to use 6-3 THHN, with 8g ground in conduit. I’m looking for recommendations on the correct type ...
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Can my panel support a 60A circuit for EV charging?

I’m awaiting an EV I ordered, and in order to prepare for it, need to install a 240V outlet in my garage. The circuit would be for a 'Ford Connected Charge Station': 60A breaker (240V, 2 pole, 60 Hz) ...
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Penetrating exterior wall to bring in a continuous MC cable to the garage

I'm installing a high current 100 amp EV charger inside my garage. It seems easiest to wire it with a continuous run of 2/3 MC cable from the outdoor breaker panel, first strapped to the exterior ...
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Metering a 240V 40A circuit with an Efergy Engage meter

I have a single-phase, 240V, 40A circuit (on a 50A breaker) connected to a NEMA 14-50 plug (these are words my electrician used when I asked him). I use this to charge my electric car. My HOA has ...
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Why does Tesla recommend such a small gauge wire for their chargers compared to this chart I found online?

We are looking to install two NEMA 14-50 outlets for our kids to charge their electric cars, and I'm confused about wire choice. I thought I understood the correct wire to use, but then ran across a ...
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2 answers
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Grounding requirements for multipanel, multiservice installation

Overview: My question ultimately boils down to figuring out how many wires I can properly stuff down an existing conduit. There are many questions pertaining to wiring and grounding sub-panels, but I'...
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I want to install generic capability for future car charging. What 240v outlet on the outside of the house is acceptable?

I am wiring an old house with new wires and want to have an outlet outside for charging a potential electric car. There is no carport or roof overhang, so weather resistance is important. The wall is ...
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Wiring for EV charger in garage

I currently have a 240 40 amp charging unit in my garage for my electric car. I believe the wire is 4 gauge; the charging unit plugs in rather then being directly hard wired. The unit is on a 50 amp ...
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Running 100 amp line to detached garage

I found lots of questions about this, but with many different answers. I'm looking to run a 100 amp line from my 200A main breaker box to a subpanel in my new detached garage. The run is about 120 ft....
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Can I charge my Electric Car from two 120v home circuits?

I'm in the USA. I'm wanting to use two different 120v 15A plugs that are on different circuits at the same time to charge my car. I'm thinking of creating a hub adaptor that is the inverse of what is ...
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2 votes
3 answers
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Adding new 240v 30 amp outlet by tapping into existing NEMA 10-30 outlet box

Here's the situation: House was built in the 1980s. My laundry room has an existing NEMA 10-30 outlet that is not being used since we have a gas dryer. I am thinking about getting an electric car so I'...
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8 votes
3 answers
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1AWG with a smaller breaker?

I am thinking about having an electric vehicle supply equipment (EVSE) installed. In the interest of future proofing for an electric pickup truck coming on the market about a year from now, i would ...
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tesla charger installation 60 amp vs 50 amps cable [closed]

I am planning to run a 60 amp wire and install Nema 14-50 with 50 amp breaker on it. That way in future if i buy a tesla wall connector, i can install the 60 amp breaker and the new receptacle on the ...
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2 votes
1 answer
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Sub-panel tapped from aluminum feed in Duplex

I live in a Duplex (build in 1979) with a 200A distribution panel which has 2 meters and 2 100A breakers (one for each unit).The distribution panel is on the outside of the garage and is fed ...
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2 votes
2 answers
920 views

Switch for alternating between outlets

I'm installing a Tesla charger, but I also want to install a NEMA 14-50 outlet so other EV owners can charge in that spot as well, but as it's one spot, both won't be used at the same time. I don't ...
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250 views

two-phase 50amps electric switch

I will be installing a NEMA 14-50 outlet/socket for my Level 2 EV charger. On average, it'll be about one connect-disconnect cycle a day. To avoid wear, I'd like to install a two-phase switch that ...
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Is a 240vac (2 pole) outlet a "single phase receptacle"?

I just read about NEC 2017, section 625.54: "Ground-fault circuit-interrupter protection for personnel. All single-phase receptacle installed for the connection of electric vehicle charging that are ...
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Nema 14-50 40A outlet for electric car: one gang box (plastic or metal) and cable size ...code?

I'm getting ready to install a nema 14-50 outlet for an electric car/vehicle (EV) and I'm looking at the details. I found out that NEC 2017 section 314.17 talks about enclosures but I'm a bit confused....
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