FINAL SALE

Now in its 25th edition, the CSA C22.1:21, Canadian Electrical Code, Part I includes over 200 additions and revisions, including:

 • Changes to hazardous location requirements.

 • New content addressing energy storage systems and climate change adaptation.

 • New tables, diagrams and clarified text to better explain electrical installation requirements.

 • Clearer requirements for wiring in and between subdivided dwelling units.

 • Rules for functionally grounded renewable energy systems.