The Change From CCS1 To Tesla's NACS Connector Is Anticipated To Kill The J1772 AC Plug

The North American market seems to be at the start of a serious transition associated to electrical automobile charging – from the Mixed Charging System (CCS1) to Tesla’s North American Charging Customary (NACS) connector. At present, we are going to check out yet another factor – the SAE J1772 (AC) charging connector, additionally known as Sort 1, and its probably gloomy future.

As we all know, Tesla developed its in-house, proprietary charging connector (renamed to NACS), for single-phase alternating present (AC) and direct present (DC) charging eventualities. Moreover Tesla, it can even be natively supported by Ford, Normal Motors, and Rivian, beginning in 2025 (truly in 2024 by way of adapters to CCS1).

Within the case of the CCS1 and the European CCS2, these connectors have been developed for DC quick charging, utilizing an AC charging connector as a base (for backward compatibility) – respectively SAE J1772 (Sort 1) in North America and IEC 62196-2 (Sort 2) in Europe. Because of this, there are these connectors:

  • CCS1 complicated charging inlets for:
    SAE J1772 (Sort 1) AC plugs (1-phase)
    SAE J1772 Combo (CCS1) DC plugs
  • CCS2 complicated charging inlets for:
    IEC 62196-2 (Sort 2) AC plugs (1-phase or 3-phase charging eventualities)
    CCS2 DC plugs

It is best defined by the Charging Interface Initiative (CharIN) affiliation:


The swap from CCS1 to NACS, which we imagine is going on proper now, was principally related to DC quick charging.

Nonetheless, if the EV trade will swap from the CCS1 charging connector to NACS, then there can be no level in preserving J1772.

The producers for certain can be putting in just one charging inlet on the automobile aspect. Within the case of the NACS charging inlet, it will likely be utilized for each AC and DC charging eventualities.

EV charging infrastructure will comply with with NACS-compatible residence charging models and public/work charging models (probably dual-head models throughout the transition interval).

The J1772 charging factors will serve the older electrical automobiles and the brand new ones when mixed with a particular adapter. Tesla already provides J1772 to NACS adapters.

Tesla: North American Charging Standard

Tesla: North American Charging Customary

Tesla charging adapter (AC): J1772 to Tesla proprietary standard in South Korea

Tesla charging adapter (AC): J1772 to Tesla proprietary customary

5 or ten years from now, we may be at a totally totally different level when EV charging can be considerably easier than it’s at the moment, particularly within the transition interval when on prime of getting a number of forms of connectors, we have now a number of forms of adapters between them.

New EV customers will respect only one plug sort for all charging eventualities (AC and DC). The ability degree can be routinely negotiated between a automobile and a charging level. Because of this, there can be nothing complicated to elucidate to beginner EV patrons.