Green Book

Low-Voltage Electrical Service from Distribution Substations
Standard E.21-11 (5th edition)

This standard sets out the conditions for low-voltage electricity service from distribution substations, for properties with a rated current at the service box of more than 600 amperes and less than or equal to 6,000 amperes. It contains all the information required to put in place or modify civil works and electrical installations, including prerequisites, time frames and conditions.

Standard E.21-11 (5th edition) [PDF – In French only]