California Code, Government Code - GOV § 65850.9

(a) A city, county, or city and county shall not restrict which types of electric vehicles, including, but not limited to, plug-in hybrid vehicles, may access an electric vehicle charging station approved for passenger vehicles that both is publicly accessible and the construction of which was funded, at least in part, by the state or through moneys collected from ratepayers.

(b) “Electric vehicle charging station” means any level of electric vehicle supply equipment station that is designed and built in compliance with Article 625 of the California Electrical Code, as it reads on the effective date of this section, and that delivers electricity from a source outside an electric vehicle into a plug-in electric vehicle.