Electrical work contracted under C K ELECTRIC · CSLB Lic. #354550 (C-10) · Farmer Works Electric license in process
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Electrical work contracted under C K ELECTRIC · CSLB Lic. #354550 (C-10) · Farmer Works Electric license in process

NEC 625.54 · Homes and commercial

GFCI for EV charging receptacles

Every receptacle installed for electric vehicle charging needs GFCI protection, whatever its voltage or amperage. In the 2023 NEC this section covers receptacles only, not hardwired chargers.

Wiring diagram: a NEMA 14-50 receptacle for a plug-in EV charger on a GFCI breaker; a hardwired charger is outside 625.54 in the 2023 NEC.
Proposals for the 2026 NEC would reach hardwired chargers and add special-purpose GFCI over 150 V to ground; neither is a 2023 requirement. Diagram: Farmer Works Electric, free to share under CC BY 4.0 · Download PNG · How to credit

What the code requires

All receptacles installed for EV charging must have ground-fault circuit-interrupter (GFCI) protection for personnel. That includes larger receptacles, such as a NEMA 14-50 used for a plug-in charger, whatever the voltage or amperage.

In the 2023 edition the rule covers receptacles only, so a hardwired charger is outside 625.54. Revisions proposed for the 2026 NEC would extend the rule to hardwired outlets and add special-purpose GFCI (SPGFCI) for EV equipment over 150 V to ground. Neither is a 2023 requirement.

On the job

  • If a charger plugs into a receptacle installed for it, that receptacle needs GFCI protection.
  • Mike Holt notes that dwelling-type GFCI breakers and receptacles aren't suitable for backfeeding, so bidirectional chargers end up hardwired.
Wall-mounted EV charger with a coiled cable beside a white electric car
Wall-mounted EV charger (representative stock photo).

In California

CALGreen requires NEMA 6-20R, 14-30R or 14-50R EV receptacles in new multifamily buildings. They are installed for EV charging, so this GFCI rule applies to them.

Related sections

Where this comes from

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Electrical work contracted under C K ELECTRIC · CSLB Lic. #354550 (C-10) · Farmer Works Electric license in process