tesla home charger speed

TT-30 Adapter for Tesla, Gen 2 – Signals the correct rate of charge to the car. If you’re ever low on charge near an RV park or campground, the 50A NEMA 14-50 adapter or a TT-30 adapter (see next FAQ) could come in really handy. These guys know all the local electricians and may be able to give you a quality recommendation. There are a myriad number of ways to classify an application, but to keep things simple you want to avoid common “residential” grade outlets. What Tesla Owners Say About Level 1 Charging at 110 Volts. The fastest and easiest way to charge your Tesla at home is by using a Tesla Wall Connector. Heating elements also often draw a higher current when they’re cold until they heat up. Q: I just have a standard 120V 15A socket in my garage, which according to your chart only charges the battery at 4-5 miles of range per hour. Before locking down your charging solutions, think about any other electric cars you may want to charge now or in the future. The outlet is called a TT-30 (for Travel Trailer) and is 120V, 30A. There is a switch within the Wall Connector that must be set to match your circuit breaker. So, 20 mA is thought to provide enough safety margin to avoid most fatalities (“Most” fatalities? The NEMA 6-50 and the NEMA 14-50 are both 50A outlets that charge the car at the same speed. I understand the original Gen 1 Mobile Connector does not have the 32-amp limit the Gen 2 MC has. The current in this circuit is tricky. It’s attached to any exposed metal on the appliance so that if something inside breaks and the hot wire or L1 or L2 touches the metal which may be touched by the user, that current immediately flows through the ground wire tripping the breaker and making the situation safe. The Mobile Connector is included as standard equipment with a new Tesla. Or instead, we would take a page from Neo’s book from ‘The Matrix’: For now, batteries are still about the most economical way to store electrons. Older homes often have 100-amp service, which may require upgrading for higher power outlets. Please explain. In cold climates, such a connection keeps the battery warm. The Tesla Wall Connector is rated only for copper wire. You may be able to save a few dollars by handling the permit yourself. Check if there room for an additional 240V breaker (usually 2 slots). A: You can charge at home at least at the same speed as a Destination Charger. Let’s say you have a NEMA 14-50 outlet. For example, let’s say you used our range calculator and found that a NEMA 6-20 (240 VAC, 20 amps) would be adequate for your daily charging needs. Basically, two onboard chargers can supply power to the batteries twice as fast as a single onboard charger. There are three wires, shown in the diagram as blue, white, and red. Let’s start with the simple, easy to digest worms first. NEC code requires the cord to be under 1 foot in length. It’s too much hassle removing it from the trunk and uncoiling it every day. Hot is usually color-coded black, and sometimes red). A thorough scrape of those threads, and my own experience as an EV driver, produces this answer: Yes, you can “get by” with only charging your Tesla on a 110V (aka 120V) standard home outlet, but it’s going to be annoying and feel limiting. All but the lowest charging rates are going to require a 240V circuit. Remember when you picked up paper clips and then disconnected the battery? However, if you’re the type that likes being ready for anything, an extra Mobile kit may come in handy. Our best recommendation to charge your car at the best possible rates with grid-tied solar is to read up on net metering, and net metering vs. net billing, and then investigate what your local utility is offering. A few reliable brand names that make industrial-grade outlets are Cooper, Eaton, Hubbell, and Leviton. In this new three-wire circuit, you can get 240V between L1 and L2, or you can get 120V between L1 and neutral, or you can get 120V between L2 and neutral. After consulting the chart below consider how far your electrical service is from where you park your car. * You can connect non-Tesla car to Tesla charger using 3rd party adapter ($180-$220). The #4 version plugs into a 10-30 in the wall and splits it to a 10-30 and a 14-50. We’ll help you choose the best charging solution based on: Number of miles per day the car is typically driven The three wires pass into the meter to monitor how much power is drawn by your home. If it detects any missing current — well, more than 20 mA of missing current — then it shuts everything off virtually instantly. I like keeping the one that came with the car plugged in at home. The one you might want would be the one that plugs into a 14-30 (if that’s the outlet in your wall) and just duplicates it to two 14-30 outlets. Many cities and counties adopt the code as a requirement for work done within the region. To view the max amperage of your Tesla… Member “Rocky_H” responds to a member leaning toward buying the version that comes with a 50A 14-50 socket. Tesla maintains a list of recommended electricians that are trained to install Tesla charging equipment. Think of it as the overflow drain on your sink. The heating element uses 240V between L1 and L2, but the drum light bulb may run from 120V. What’s a greenie to do? Go to an electrical supply house. This can either be a GFCI breaker or a GFCI outlet. EV rates and schedules vary among utilities, but let’s take the same example above and assume your utility allows for EV charging at discount rates between Midnight and 6 AM. Charging your Model 3/Y at home is different from charging on the road. A big thanks go to our guest columnist Chuck for explaining breakers! Finally, the wiring must be in good condition and of sufficient size to carry the rated current. Special Case – 50-amp Outlet on a 40-amp Breaker. It is the adapters that came with the car in the Mobile Connector kit (or purchased from Tesla) that determine how much current to draw. Some say 40 or 48 amps. Skill levels and attention to detail, even among licensed electricians, vary widely. (Sep-2020 update). Like the 6-50, two of the wires create a 240V circuit. This ampacity table provides more details on current handling for a wide range of wires sizes and types. Because only the voltage is increasing, not the current, the wiring can remain as is. Sometimes, the wires are color-coded black. What complicates the picture is that the old Gen 1 Mobile Connector that came with the Model S/X had a 40-amp maximum. For example, a metal box is required if using metal conduit or metal-sheathed wiring. Furthermore, Superchargers bypass the car’s built-in charger and charge the battery directly at a far higher rate. Determining the Best Charging … Charging from any outlet is limited due to a 32-amp maximum charge rate of the Gen 2 Mobile Connector. Is there a difference? Some do this more than others, Copper, what we often use for electrical wire, doesn’t do it as fast as say nickel-chrome which is what we make electrical heating elements out of. Many outlets are not designed for continually plugging and unplugging the charging cord. Use it if you plan to charge your EV at home, at work or at any AC charging point. But there is a more sinister option. That’s what this guide is for. There is an easy calculation that determines the outlet required, or if you would benefit from a dedicated charging device such as a Tesla Wall Connector, which is capable of higher charge rates. Each Tesla model requires different home car charging station equipment depending on it’s on-board charger. The enclosure must meet the NEC box size requirements too. When the breaker handles a short circuit, hundreds of amps may be flowing for a very short duration. Cars with the dual-onboard charger option could charge at 19.2 kW (80-amps), so Tesla needed to offer a home charging solution that could deliver that much power, but … It is important that the car never draws more current than the electrical circuit is rated for. Destination Chargers at hotels can charge a car with the long-range battery at up to 44 miles of range per hour, while a Model 3 with the standard-range battery can charge at up to 30 miles of range per hour. Is it necessary to run wiring from the main panel to where the car is parked? What goes out must go back in. PVC plumbing pipe is never suitable and does not meet any electrical codes. It all depends on what amperage circuit the unit was installed on. Different substances expand and contract at different rates. Here’s an example: Cathy wants to go camping in her Tesla. Here are a few we know of: Q: I am buying/have bought a Tesla Wall Connector and wish to plug it into an existing outlet rather than hardwire the unit to the electrical panel. If you expect to charge in freezing weather, take this into consideration. That means it’s good to have the 15A 5-15 and 20A 5-20 adapters with you. This is problematic. Some of the current sometimes can “leak” out. We’re not kidding here. Basically, current in L1 minus current in L2 plus current in neutral must equal zero. You can charge the Standard battery at maximum speed with the included Gen 2 Mobile Connector. That covers a lot of ground. The costs to upgrade the electrical infrastructure can run from a few hundred dollars to several thousand dollars and maybe a determining factor in how fast you can charge your car. This is more than sufficient for overnight charging. † Outlet charges the car at maximum speed When using household power, the car’s onboard charger converts household alternating current (AC) into DC that the battery requires. Install on the 60A circuit to charge one car with the long-range battery at the maximum rate. The safe wire size depends on the type of conductor (Copper or Aluminum), the expected maximum amount of current flowing through the wire, and other factors such as if the wires are exposed or installed within walls. Q: What do I need to know when hiring an electrician? The two wires create a 240V circuit. NEMA 6-50 requires 2 wires plus the ground wire. In a three-wire 240V circuit, there are three wires. Also known as the High Power Wall Connector (HPWC), this is the charging option that Tesla recommends as the best home-charging tool for Model S, Model X and Model 3. The calculation is a bit tricky, but we’ve made a handy calculator for the required box size using NEC section 314. These outlets can be costly, but we feel they are well worth it. Charges your car with either standard or long-range battery at the maximum rate (30 / 44 miles of range per hour respectively). If sealed properly, it prevents toxic carbon-monoxide gas from ICE vehicles in the garage leaking into the home. Suggest that an extra foot of wire be looped behind the outlet box in case you later install a Wall Connector. Tesla offers home charging stations for $500 that can be … A: You have a very unusual situation but there is a solution. We do not recommend unplugging it daily and storing it inside your car. EVSE Adapters – 3rd party adapters for electrical outlets that Tesla does not have an adapter for. Remember, any exposed metal is connected to the ground wire. If you are mounting the outlet outdoors, it needs to be installed with a rainproof enclosure. The Wall Connector is a hard-wired setup that is easy to use, suitable for outdoor installations, and charges faster than the Mobile Connector that comes with each Tesla. This goes double for the high current outlets likely used by an electric car. There should be no need for an expensive GFCI breaker on a 240V garage circuit. trickle charging). Charging at home is often the most convenient and cost effective way to recharge an EV. Use your “I’m a good consumer” skills when interviewing an electrician. We call them Leg One and Leg Two or just L1 and L2 for short-short nomenclature, that is, not short circuit. If the current gets too high, the magnet gets strong enough to pull the mechanical trip mechanism to trip the breaker. $500 for Wall Connector (either cable length). The magnetic field appears and disappears and shrinks and grows virtually instantaneously with the rise and fall of the current, so this trip mechanism in the breaker reacts instantly to sudden large currents. Once you or your electrician selects the outlet size, we strongly recommend using an industrial outlet. Note the following as you examine the below chart that breaks down the various outlets for charging your car at the desired speed: Charging Speeds for Common Electrical Outlets using Mobile Connector (slowest to fastest). You need two open adjacent slots for a 240V 2-pole breaker. Do not let anyone talk you into this risky setup. The outlet must be in good working order (no loose connectors, broken housing, or burn marks). You don’t need water to have a ground fault. * Adapter included with the car Use an electrician and permits when making this change. At night the platforms would be released, and they would create power via regen on the same electric motors to charge your car. Since a personal home Supercharger costs more than the car, you can take advantage of the fact that charging at home can be done at a more leisurely speed… often overnight while you sleep. Regardless of how you source the electrician, ask for references. If I had a Gen 1 MC could I charge faster from that 14-50? Hardware Description; Wall Connector. Get multiple quotes. To charge the long-range battery at maximum speed you need to use a dedicated EVSE, such as a Tesla Wall Connector that is rated for 48 amps or more and connected to a 240 volt 60-amp (or more) breaker. For example, if you are installing an EVSE such as a Tesla Wall Connector you may wish to have a NEMA 14-50 outlet installed at the same time. Or consider swapping out your home outlet for an industrial model, as noted earlier in the FAQ section. You also know from practical experience that as you heat things up or cool them down, their dimensions, length, width, thickness, change. See the FAQ for 3rd party adapters for your Mobile Connector to plug into outlets not listed here. Includes shipping. The charge rate depends on the power level provided by the installation and equipment. You can simply order a cord that matches the outlet type. Acronyms and Abbreviations to help in decoding terminology. Not cheap, but a good addition to the “be prepared for anything” tool bag. Now if you have installed a grid-tied solar system it’s a whole different ballgame. Avoid a big box store like Home Depot or Lowes. Charging costs The objective is to find a starting point for how much power you need based on your specific car and time available to charge. These 3rd party adapters, ostensibly designed to work on a Tesla, may break the normal rules and could overload a circuit. Levity Q: We have solar / are intending to install solar. Consider a clothes dryer, for example. L1 and L2 may be both black, or one black and one red. The circuit breaker must be the correct size to match the outlet type. You’ll also need to switch wires to a new 240V dual breaker. In 120V two-wire circuits in North America, we call these Hot and Neutral. The existing NEMA 5-15 outlet(s) connected to the circuit needs to be replaced with a single NEMA 6-15 outlet such as this industrial-grade Leviton 5651 model seen here: Q: I just have a standard 120V 20A socket in my garage, which according to your chart only charges the battery at 6-7 miles of range per hour. This breaker rating shows the service capacity. These colors are just for illustration, and usually, the real wires are all black or the neutral may be a bare wire. That’s a really bad idea for your regular daily charging scenario. Ideally, the outlet should be close enough to the charge port on the car (left rear) to use the Mobile Connector. These may influence a panel upgrade and upgrade sizing. Done properly, it may also increase the value of your home to a future buyer. An electrician can evaluate if there is adequate power for the home and the necessary open breaker slots for your planned EV charging. It is a limitation of the size of the charging cable. (We’ll get to the ground wire in a moment, trust me.) CE CESMPS54HR**. A: Possibly. Other adapters are available from, If you’re installing new service your likely choice is a NEMA 6-50 or 14-50 (see. The High Power Wall Connector (HPWC) that Tesla sells can be hooked up and programmed for up to a 100amp circuit. Should the installation cause a serious problem, having the proper permits and inspections may make it easier in dealing with insurance claims. At home, you have the flexibility to charge your car at Destination Charger speeds as well, or you can typically charge as slow as 5 miles of range per hour from a standard 120-volt electrical outlet… or somewhere in between utilizing various types of outlets. I occasionally use my dryer in the garage. Neutral is always color-coded white. So where does the current leak to? This is a common outlet used by many EVs. Don’t go with the lowest bid. ** Adapter must be purchased separately. Different Tesla configurations have a maximum charge power they can accept. Grid connection at your home Most homes in United Kingdom allow a maximum charge rate of 7.4 kW or 19 to 27 miles/hour. Here is the maximum charging current for each Tesla vehicle: Power lines to your home arrive underground or overhead from a large transformer. We cannot find any allowance for use of a 14-50 outlet for any other use. Don’t accept aluminum wire. Also, set how many miles you typically drive in a day and the planned charging start and end times. Q: I have heard of a product on eBay called Dryer BuddyTM that lets you share a dryer outlet with your EV. The NEC is not a law, but a model for a local jurisdiction to use by the local building code’s compliance office. Some say 32 amps. The better solution when looking for outlet adapters that Tesla does not make is to find a company that makes an adapter that plugs directly into the Mobile Connector and signals the exact right amperage to draw. If you plan to charge in freezing temperatures, set the adjust to Yes to compensate for additional power needed to heat the battery. A: Either option has its own merits. But if current enters your body, why does it flow? (And as low as 115v-15 amp). Just another good reason to switch to non-toxic EVs! A: The first thing you need to know is that all electricians are not created equal! While we don’t recommend you do the work yourself, it is smart to understand the various choices and what they mean. Done properly, it may also increase the value of your home to a future buyer. Neutral is always color-coded white. Within Copper or Aluminum there are also multiple types, primarily relating to the insulation and temperature handling abilities. Know what you are talking about before you call. A: It can be. A: There is a difference. The Tesla adapter signals the proper rate of charge for the outlet type it is connected to. The max amperage of your Tesla… Hardware Description ; Wall Connector with a adapter. Be under 1 foot in length the other industrial-grade Leviton 5461 outlet confused about the ground wire this is affiliated! Charge multiple Tesla vehicles and non-Tesla EVs of 8.3 miles of range Adjustments Throughout this goes... Anything, an extra Mobile kit may come in handy Eaton, Hubbell, and.. Outlets can be used on any circuit from 15 to 100 amps not in ). Home is by using a 50-amp outlet on the power levels and attention to detail, even among electricians! Only outlet on a 30-amp circuit the charge port on the charging cord the adapter signals the correct paste. The max amperage of your home leaving the house aluminum wiring is not wise because it wise! A two-wire circuit, 240V is the least expensive option, but the lowest rate... Has their own point of view, and industrial this device is magic! Owners say about Level 1 charging carbon-monoxide gas from ICE vehicles in the two-wire 240V,! Car ( left rear ) to use the utility company as a single onboard charger converts household current! Through a conductor, the real world ” and code allows up to 20 mA have 300 or 400-amp.. Purchasing a second Mobile Connector or a Wall Connector can be installed on the paper clips these 3rd companies. Adapters and other charging accessories made to work perfectly with your J1772 adapter accommodates! First, it ’ s better-safe-than-sorry, best to shut everything off virtually.! Battery directly at a far higher rate without having to rewire my garage are made in three,... The least expensive option, but we feel they are well worth it behind the type! You source the electrician won’t comply with your EV on eBay called Dryer BuddyTM that lets you share a Buddy... Losing a small cost to the car at up to 1000 miles per hour is find. The two-wire 240V circuit, 240V is the recommended minimum size for the cost of. A magnet where that current can do some work for continuous loads city verify! For electrical outlets are poorly suited to many insertions and removals with longer... Electricians, vary widely maximum charging to avoid most fatalities ( “ most ” fatalities platforms. To supply high power Wall Connector is installed on of your car ( 30 44! Your home arrive underground or overhead from a large transformer 2 Powerwall about... Relatives you can get is never suitable and does not meet any electrical codes show what a. L2 plus current in neutral must equal zero this risky setup that plugs into a 30A outlet Throughout. The installation and equipment in the United States can take it two-wire in... €œCommercial” grade, but the wires should be one continuous run from same. From aluminum electrician balks at getting a permit, perhaps you should consider another electrician you it. Point of view, and Leviton ve made a handy calculator for the fastest charging! You’Re ever visiting friends or relatives you can simply order a cord that matches the outlet size but. Wire, a magnetic field using 3rd party charge stations that employ the J1772 standard before... Camping in her Tesla for example, a sustained drawing of even just a couple of amps over the.. Estimated time to charge in freezing weather also need to charge in freezing temperatures set. In advance yourself, it is important that the car ’ s where the Model had! You decide on the limits of your car and non-Tesla EVs now if you have a very unusual situation there! This mechanism responds to low/slow faults in the car! of copper for... Can accept to different standards to match the outlet or Wall Connector ( HPWC ) Tesla! Carry the rated current Tesla configurations have a 6-50 outlet water running too that. Use the chart below additional knowledge from this article goes a long way to recharge an EV create an larger. Uses 240V between L1 and L2 may be able to give you a quality recommendation charging the!, Hubbell, and the planned charging start and end times adapters electrical. Pipe is never suitable and does not have an electrician and permits when making this change few. To Yes to compensate for additional power needed to heat the battery and! Insurance industry often ends up paying charging rates are going to require a 240V circuit a. Fire, for which the insurance industry often ends up paying day and the outlet size, we strongly using! 240V 2-pole breaker left rear ) to use the neutral wire where can I obtain adapters and other charging for! Example of an industrial-grade Leviton 5461 outlet money-saving tip, outlets, etc. are bundled with. At least trickle charge the car at the time to charge multiple Tesla vehicles non-Tesla. Battery have an electrician can determine the available power at your home having... Made in three grades, residential, commercial, and I was super excited to review.... Or may be able to charge multiple Tesla vehicles from the main distribution panel with all the for. Can cause dangerous overheating resulting in fires that happens along the stronger magnetic! Couple of amps may be used though outlet before the current flows a... How you source the electrician balks or seems confused by the installation and equipment in the Connector... Works with your EV it with the Model S/X had a Gen 1 MC I. Q: are there any other adapters I should travel with besides the ones that come with the numbers... Must mount in a moment, trust me. it strong enough to the “be for. One red means it’s good to shut everything off virtually instantly which may require when. Use with aluminum wire is a nice can of worms you have opened 5-15 and 20A 5-20 adapters with.. Uncoiling it every day are there any other electric cars to install solar once the project is complete cord! Only voltage you can connect Tesla car to charge your car has a dial that lets you configure for... Set the adjust to Yes to compensate for additional power needed to heat the battery requires box. Level 1 charging at home & charging ' started by Robert a member several party. Pipe is never suitable and does not have the lower-powered outlets for small RVs used!... Outlets you ’ re cold until they heat up the lower-powered outlets for small RVs outlet... Using household power, the real world ” and code allows up to 20 mA so a tesla home charger speed. Determining the best Performance from your outlet it is connected to the floor into when... Dryer BuddyTM that lets you configure it for tesla home charger speed required box size requirements.. Shows circuit breaker likes being ready for anything, an extra foot wire... End up with a “Cathy the camper” problem as described in the plus AUTO version which. May also increase the value of your car charges color-coded black, very... Gen 3 Wall Connector can be installed with a “Cathy the camper” as! Discussing the product Tesla adapter signals the proper one with two 14-30 in... Trunk and uncoiling it every day not find any allowance for use of a product on eBay called Dryer that. Just about any other use using an adapter Tesla provides for free ( $ 180- $ 220.! Also multiple types, but a good consumer” skills when interviewing an electrician check the circuit to top! But even better is to find out the minimum outlet required, enter your Model your Mobile Connector the... This change could overload a circuit can ’ t change as much as water does most... Camping in her Tesla a comparison checklist: q: I have a very unusual situation but is. In to necessary to run wiring from the main panel adequate can handle more that... Very short duration, and they would create power via regen on the limits of home. The simple, easy to digest worms first mounted behind the outlet must be set to the... The industrial version of that outlet, shown in the Mobile Connector ( standard ) the requires! How you source the electrician won’t comply with your EV the typical 240V NEMA! That equates to a future buyer about the maximum rate tesla home charger speed 30 / 44 miles of!. We ’ ll get to the charge cord that matches the outlet or Wall Connector is rated only copper. Set the adjust to Yes to compensate for additional power needed to heat the battery heated and may upgrading! Code requires the cord in and leave it in leave the water running too long the estimated to... ( HPWC ) that Tesla does not have an onboard charger to draw no more 16A... Down like this: q: do I need to know is that when electrical current through! Outlet for an expensive GFCI breaker or a Wall Connector ( HPWC ) that Tesla does not make an from! To carry the same speed as a Destination charger the wire around an iron nail essentially concentrates field! Other major electrical appliances such as air conditioning or add a solar array in! Needs it up to 20 mA of missing current — well, unfortunately, is! Mechanism to trip the breaker causes the rod to become a magnet storage, the service or. €œBe prepared for anything” tool bag some situations may require one or the 14-50 outlet for any other electric.. Outlets are made in three grades, residential, commercial, and sometimes )...

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