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Electric Vehicle Charging System Permit Requirements - Single Family / Duplexes

Before you install an electric vehicle charging system, you need to:

  • Obtain an electrical permit. An electrical plan is not required to secure the permit.
  • Obtain a mechanical permit if the manufacturer of the system specifies use of mechanical ventilation. A mechanical plan is not required to secure the permit. At the time of inspection, you need
    to provided the City inspector with the manufacturer’s installation guidelines.

Electrical Requirements

Provide the following information at the time of inspection, which will be reviewed by the City Inspector

Level of EV Charging

  • Level 1 - 120 VAC - This is regular household voltage. It can charge a depleted battery in six to 10 hours, depending on the vehicle model.
  • Level 2 - 240 VAC - This voltage is the type that supports clothes dryers. It can charge a depleted battery in three to eight hours, depending on the vehicle model. 

Panel Rating

Specify the panel rating of the existing electrical service, for example, 200 amp service, at the residence. Indicate the EV charging system load and circuit size.

EVSE Charging Load and Circuit Size

Load calculations, per California Electrical Code Article 220, shall be provided for the City’s Inspector’s review when the service panel rating is 125 amperes or less. Electrical panel upgrades and electrical wiring shall be in conformance with the current edition of the California Electrical Code.

Will a second electric meter be installed?

Indicate if a second electric meter installation will be installed due to special electric utility rates available for EV charging.

Show Location of Utility Panel and EVSE

Be sure that the location is in accordance with the manufacturer’s written guidelines.

Electric Vehicle Charging System SFR

A PDF handout version of this information is available on our Building Handouts and Forms page.