Receptacles for electric vehicle supply equipment (see Appendix B)

1) Each receptacle for the purpose of electric vehicle charging shall be labelled in a conspicuous legible, and permanent manner, identifying it as an electric vehicle supply equipment receptacle and shall be

a) a single receptacle of CSA configuration 5-20R supplied from a 125 V branch circuit rated not less than 20 A; or
b) of the appropriate CSA configuration in accordance with Diagram 1 or 2 when supplied from a branch circuit rated at more than 125 V or more than 20 A.

2) When the receptacle referred to in Subrule 1) a) is installed outdoors and within 2.5 m of finished grade, it shall be protected with a ground fault circuit interrupter of the Class A type.


Source: Rule 86-306, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. © 2021 Canadian Standards Association. Please visit