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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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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 Tesla document that said something completely…
Nicholas
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Why did my EV charge outlet overheat and burn the wires?

I bought an EV that came with a free level 2 charger. I had a Honda “certified electrician” come out and install a Honda re-badged JuiceBox on an unused 60amp two-pole breaker (previously used for a hot tub). Everything worked well for roughly 11…
Evan
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80amp EVSE on subpanel

I’ve got a trivial problem that has become complicated by a non-trivial setup. My goal is to install an 80amp (100amp breaker) EVSE to charge my electric truck. An incentive from my electric provider will pay up to $850 for the installation of an…
cyclops
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Is this 240v circuit to garage for electric charger good or did I miss something?

I'm adding a circuit to my garage for an EV charger. Yes, I have pulled a permit. I live in Massachusetts. Here's my plan: I'll be adding a new 60 amp GFCI breaker to the panel. Yes, there is space in the panel. The GFCI is required because the new…
holmeski
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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 like to have 1 AWG wire installed for 100 amps @…
Nathan R
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How to properly run a EVCE circuit for Tesla Wall Charger in an unfinished garage

I have a 200A Square D QO (US-Maryland) primary panel and I’d like to install Tesla Wall Charger in my unfinished garage with exposed wood studs and be able to operate at its highest rating, which is 48A sustained charge rate load. Service panel and…
Matt
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What current capacity does 6 AWG AL TYPE SE have for an EV charger?

We recently finished our basement and had electrician run a cable to the garage for an electric vehicle charger that terminates in a junction box in the garage. From the 200A panel the cable is connected to a 2-pole 40A breaker and connected to…
user163047
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Can I safely run nm-b below 8' exposed perpendicularly between stud cavities in an unfinished garage?

My Siemens flush mount combo electrical panel is installed to the exterior of my garage. The garage isn't finished (open studs) and eventually I'd like to close it up with drywall (but not for this). Can I safely run nm-b below 8' exposed…
alan
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Can I protect my EV car charger's cable with aluminum tape and a stainless steel hose helix?

My EV car charger / EVSE is a Emporia Classic 48A Smart charger, installed on an exterior wall at the driveway. The J1772 cable is 24 feet long and will drag along the concrete driveway + bushes + grass next to the driveway. I'd like protect the…
ikjadoon
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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 central air AC unit. My dryer is located on the other…
KM001
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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 in order to fit into the 125% continuous use…
will74
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Does 14-50 outlet in garage require GFCI breaker even if using EVSE traveling charger?

I bought an electric car. Electrical service panels are inside of garage, right in front of where I park the car. Installed a 14-50 outlet with 6 AWG and conduit with a regular 50A breaker, right below the service panel (used unused 50A breaker from…
Cheery
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AC line voltage sharing conduit with DC conductors for solar PV

I have an existing solar PV system; conduit to the house carries DC pairs for two "strings" of solar panels plus EGC ground. It'd be very convenient for wiring of an EV charger (EVSE), if I could run its AC wiring in the same conduit. The EVSE…
RustyShackleford
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How do I test for voltage drop?

I have a Tesla that I'm plugging in at work (NEMA 5-20 outlet) and my EV says I'm getting between 107-109 volts. NEMA 5-15 adapter registers 12 amps, and the NEMA 5-20 adapter, which should be 16 amps, lowers to 12 amps and gives a low voltage…
WillyWonka
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How much power can I supply for an EV charging circuit?

I would like to install an EVSE. The main panel is in the garage and I should have no problems running conduit a few feet to the location where I plan on mounting the charger. I will make sure I get the correct breaker, wire size, and receptacle…
bigchief
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