The actual charger is built inside the car, converting AC electricity from your wall into DC power for the battery. The EVSE is the external unit that manages the connection, handles safety shutoffs, and controls how much current flows.
You’ll see EVSE on electrical permits, manufacturer spec sheets, and Duke Energy rebate applications. When an electrician quotes you for “EVSE installation,” they mean running a dedicated circuit and mounting the charging unit to your wall or garage. For practical purposes, EVSE and EV charger mean the same thing in most conversations.
When you’re getting quotes
If you’re applying for Duke Energy’s Charger Prep Credit, the application uses “EVSE” throughout. Make sure the permit your electrician pulls lists EVSE installation — that’s the documentation the rebate requires. When comparing quotes, the EVSE unit itself (the box on your wall) is separate from the installation labor and circuit work; some quotes bundle them, some don’t. Ask what’s included.