CSA C22.1-18 – Canadian Electrical Code, Part I (24th Edition), 2018

CSA C22.1-18 – Canadian Electrical Code, Part I (24th Edition), 2018 sets the national standard for the safe installation and maintenance of electrical equipment in Canada. This edition introduces significant changes affecting residential, commercial, and industrial systems, including expanded support for EV infrastructure and renewable energy integration.

Highlights:

• Rules for safe wiring and equipment installation across all building types
• Streamlined Section 10 on grounding and bonding
• Expanded energy management requirements supporting EV infrastructure
• Updated tamper-resistant receptacle requirements for dwellings and child-accessible spaces
• GFCI protection for heating controls in wet locations (Section 62)
• Revised ampacity tables, conductor ID, and overcurrent protection criteria
• Covers renewables, patient care, cranes, welding, temporary wiring, and EV charging
• New Appendix M with bilingual markings and updated hazardous area guidance

Who It’s For:
Electricians, engineers, inspectors, and contractors in Canadian jurisdictions relying on national or provincial electrical installation regulations.

CSA C22.1-18