North America is moving from the CCS charging plug to the Tesla-designed NACS connector, now standardised as SAE J3400. Most major automakers have committed to it. Many newer EVs sold in Canada come with a NACS port, and owners of many older CCS-equipped EVs can use Tesla Superchargers with an approved adapter. For Canadian drivers, the switch mostly means more places to charge. During the transition, it's worth knowing which plug your car has and which adapter, if any, you need.
Key takeaways
- NACS (SAE J3400) is becoming the standard charging plug for new EVs in Canada and the US.
- CCS1 chargers aren't going away overnight. Thousands of stations will keep their CCS cables for years, and many are adding NACS cables.
- Many non-Tesla EVs can now use Tesla Superchargers with a manufacturer-approved adapter and the Tesla app.
- Use only automaker-approved or properly certified adapters, especially for DC fast charging.
- At home, any Level 2 charger works with an inexpensive, certified adapter if the plug doesn't match.
What NACS actually is
NACS stands for North American Charging Standard. Tesla created the connector and opened the design in late 2022. SAE International then standardised it as J3400. It's a single compact plug that handles both AC charging (Level 1 and 2) and DC fast charging.
By comparison, the CCS1 plug most non-Tesla EVs used until recently is larger. It adds two big DC pins below a J1772 Level 2 plug.
| NACS / J3400 | CCS1 | J1772 | CHAdeMO | |
|---|---|---|---|---|
| Used for | AC and DC charging | DC fast (plus AC via the J1772 portion) | Level 1 and Level 2 only | DC fast only |
| Size | Compact | Large | Medium | Large |
| Direction | New standard for most automakers | Being phased out on new EVs | Common at Level 2 stations for years to come | Legacy, mostly older Nissan Leafs |
Why automakers switched
Several reasons pushed the industry toward NACS:
- Tesla's Supercharger network is large, reliable and well-located along major highways, including in Canada.
- The plug is smaller and lighter. It's easier to handle and simpler to design into a car.
- One port does everything, for both AC and DC.
Starting in 2024, automakers began gaining access to Superchargers for their CCS cars through adapters. Ford was first, in early 2024. Many brands then started building NACS ports directly into new models, with some 2025 and 2026 models already shipping with them.
What it means for you
If you're buying a new EV
Ask which port it has. Many new models now come with NACS. Some still have CCS1 during the changeover. Either can work well, but find out:
- Which adapter, if any, is included
- Whether the car can use Tesla Superchargers, and whether the automaker has enabled access in Canada for that model
- How fast it charges on both Supercharger and CCS networks
Our EV buyer's guide lists other questions to ask.
If you own a CCS car
You don't need to do anything. CCS fast chargers are still widely available, and your car will keep working with them. If your automaker has Supercharger access, an approved NACS-to-CCS1 adapter can open up more stations. Some automakers have provided adapters free or at a discount. Others sell them.
If you own a Tesla
Very little changes, except more non-Tesla vehicles at some Superchargers. Many third-party networks are also adding NACS cables, which should give you more options.
Using Superchargers with a non-Tesla EV
The steps generally look like this:
- Confirm eligibility. Check your automaker's website or the Tesla app to see if your model is enabled.
- Get the right adapter. Use your automaker's adapter or one it specifically approves. Look for safety certification. Some approved adapters cite UL 2252.
- Set up the Tesla app. Add your vehicle and a payment method. Charging is started from the app.
- Mind cable reach. Older Supercharger cables are short and placed for Tesla charge ports. You may need to park awkwardly or straddle stalls. Newer sites are more accommodating.
- Expect varied speeds. Charging speed depends on your car and on the station's voltage. Some 800-volt EVs charge slower at older Supercharger stations.
Find Superchargers and other networks on our EV charging map.
Adapters: a word of caution
Adapters for DC fast charging carry a lot of power. Stick with:
- Adapters supplied or approved by your vehicle's manufacturer
- Products with recognised safety certification
- Adapters rated for the current and voltage your car will draw
Avoid uncertified, no-name DC adapters sold online. Some automakers may not cover charging-related damage caused by unapproved equipment. Level 2 AC adapters (J1772 to NACS, or the reverse) are simpler and widely available, but certification still matters.
What about home charging?
The switch affects home charging very little:
- Many Level 2 home chargers now come in NACS or J1772 versions, and some have swappable cables.
- A certified AC adapter makes almost any car work with almost any Level 2 charger.
- If you're buying a charger now, think about what your next car will likely have.
Our home charger installation guide covers choosing and installing a unit.
Frequently asked questions
Will CCS chargers disappear in Canada?
Not anytime soon. Existing CCS stations will stay in service for years. Many networks are adding NACS cables alongside CCS rather than replacing them, so both types of car can charge.
Can I use any adapter at a Tesla Supercharger?
You should only use an adapter your automaker supplies or approves, and only if your vehicle has been enabled for Supercharger access. DC fast-charging adapters handle high power, so certification and compatibility matter.
Is NACS the same as J3400?
Essentially, yes. NACS is the name Tesla gave its connector. SAE J3400 is the formal industry standard based on it, which helps make sure equipment from different makers works together.
The bottom line
The NACS switch is mostly good news for Canadian drivers. It means one common plug and access to more fast chargers. For the next few years, expect a mix of NACS and CCS on cars and at charging stations. Know your plug, carry the right approved adapter and check access before a road trip. For more charging basics, visit our electric vehicles hub.
Sundamentals is an independent, non-profit education platform. Program details and prices change often — check current programs for your address in our rebate finder.