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EV charging glossary

Industry jargon

Type 1 connector

Also called SAE J1772 connector · J-plug

Type 1 is an AC vehicle connector configuration associated with SAE J1772 and used mainly in North America and on some older imported EVs elsewhere.

It is designed for single-phase AC charging. The connector carries AC power along with signalling contacts used for charging control and connection detection.

In CCS1, the related Combo 1 vehicle inlet adds two large DC contacts beneath the Type 1 interface. J1772 is the North American standard that defines the conductive charging method and coupler requirements; Type 1 describes the connector configuration.

Read more EV charging connector types

Related terms

SAE J1772

Combined Charging System

Type 2 connector
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