Hydro-Québec Blue Book

Rule Blue Book 1.2.2.1

1.2.2.1

For existing 600 V, three-conductor installations, additions or changes are permitted as long as the service entrance is not modified. A neutral condu...

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Solidmind is an independent tool, not affiliated with or endorsed by the CSA Group or the Régie du bâtiment du Québec (RBQ). The information provided by Henri and our reference tools are for informational purposes only and do not replace official provincial or territorial electrical codes. While designed to help, they may not always be 100% accurate. Always rely on your professional expertise and primary source documents to ensure compliance and safety.

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