A J1772 connector is a round plug with five pins and a latch on top that clicks into the car. It is the standard AC charging connector for most non-Tesla electric cars in North America. If the plug in your hand is round, has a push-button latch, and shows no extra pins underneath, it is almost certainly J1772.
Key Takeaways
- A J1772 connector is round, has five pins and a top latch, with nothing underneath.
- Two large pins below the round section mean CCS1, a fast-charging plug — not plain J1772.
- A small slim plug is NACS; a seven-pin plug with a flat top edge is Type 2.
- The car inlet mirrors the plug, so the same checks work on both ends of the cable.
Five Clues on the Plug Itself
You do not need to read the label to identify this connector. Check these features, in order:
- Round housing. The plug body is a full circle, not flattened on any side.
- Five pins. Two pins carry AC power, one is the protective ground, and two smaller pins handle signalling — the control pilot and the proximity pin (see What Is J1772? for what each pin does).
- A latch on top. A hook at the top of the plug locks it into the car. Pressing the button on the handle releases it, and the proximity pin tells the car the plug is about to come out.
- Nothing below. The housing ends under the five pins. There are no large extra contacts hanging underneath.
- AC only. This shape delivers AC power for Level 1 and Level 2 charging. On a 240 V circuit that means roughly 10–20 miles of range per hour, per U.S. DOT figures.
The Plugs It Gets Confused With
Four connector shapes cover most of what you will meet in North America and Europe. The table below is a field guide: what you see decides what it is.
| Connector | What you see | Used for |
|---|---|---|
| J1772 (Type 1) | Round plug, five pins, latch on top, nothing underneath | AC charging, Level 1 and Level 2 |
| CCS1 | A J1772 shape on top, plus two large DC pins below it in a taller housing | DC fast charging; the top half still takes a plain J1772 plug for AC |
| NACS | One small, slim plug with no top latch and no separate pin cluster | AC and DC in a single connector |
| Type 2 | Seven pins and a flattened top edge on the housing | AC charging in Europe and most other regions |
The CCS1 row is the one that trips people up: a CCS plug will not fit a car that only has a J1772 inlet, but a J1772 plug fits the top half of a CCS inlet. Our explainer on how J1772 works with CCS covers that pairing in detail, and the Type 2 vs J1772 vs NACS comparison shows which connector each market uses.
The Car Side: What the Inlet Looks Like
The inlet on the car mirrors the plug. A J1772 inlet is a round socket with five matching holes and a notch at the top for the latch. If the socket has two extra large openings below the round part, the car also accepts CCS1 DC fast charging. If the port is a single small oval instead, it is a NACS port, and the car needs an adapter to use a J1772 charger — see whether a Tesla can use J1772 chargers.
At public stations, the quickest check is the connector hanging on the post, not the screen. Federal NEVI rules require a permanently attached J1772 connector on funded AC Level 2 ports, so most public Level 2 posts in the US present exactly the round five-pin plug described above.
J1772 Gear from EVDANCE
The EVDANCE EV-AC04001U is a 40 A J1772 portable charger: 9.6 kW, NEMA 14-50P plug, IP66, with a 25 ft cable — the round connector in this article is the one it carries. If your car has a NACS port, the EVDANCE JT02 adapter (AC, up to 80 A, IP65) lets it charge from J1772 stations and chargers.
Frequently Asked Questions
Is J1772 the same as Type 1?
Yes. Type 1 is the IEC name for the same connector; J1772 is the SAE standard number it is named after in North America.
How do I know if a public charger is J1772?
Look at the connector on the post: round, five pins, latch on top. Funded public Level 2 ports are required to offer J1772, and most others do too. If the plug has two extra pins underneath, it is a CCS1 fast-charging plug.
Can a J1772 plug charge a car with a CCS inlet?
Yes. The J1772 plug fits the upper part of a CCS1 inlet and delivers AC charging. The car only uses the lower DC pins when a CCS plug is connected.
Related Reading
- What Is J1772? The North American EV Plug Explained
- Does J1772 Work With CCS? CCS Connectors Explained
- Can a Tesla Use J1772 Chargers?
- Type 2 vs J1772 vs NACS: Which EV Charger Connector Does Your Market Need?
