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
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
CSA C22.1:21 – Canadian Electrical Code, Part I (25th Edition), 2021
CSA C22.1:21 – Canadian Electrical Code, Part I (25th Edition), 2021 defines the national standard for the safe installation and maintenance of electrical equipment throughout Canada. This edition incorporates updated safety practices, supports emerging technologies, and aligns with evolving environmental and regulatory needs.
Highlights:
- Applies to all voltages and occupancies: residential, commercial, and industrial
- Expanded coverage of renewable energy, storage systems, EV charging, and hazardous locations
- Revised grounding, bonding, wiring methods, and overcurrent protection rules
- New climate resilience rules and guidance for livestock/agricultural buildings
- Refined equipment classifications, voltage references, and conductor ampacity updates
- Enhanced provisions for raceways, environmental protection, and installation practices
- Includes 80+ specialized sections (hospitals, cranes, marinas, airports, amusement parks)
- Appendices cover engineering interpretations, intrinsically safe circuits, and fire protection
Who It's For:
Electricians, engineers, code officials, and contractors operating under Canadian electrical safety regulations. Supersedes CSA C22.1-18.
CSA C22.1:21
CSA C22.1:21 – Canadian Electrical Code, Part I (25th Edition), 2021
CSA C22.1:21 – Canadian Electrical Code, Part I (25th Edition), 2021 defines the national standard for the safe installation and maintenance of electrical equipment throughout Canada. This edition incorporates updated safety practices, supports emerging technologies, and aligns with evolving environmental and regulatory needs.
Highlights:
- Applies to all voltages and occupancies: residential, commercial, and industrial
- Expanded coverage of renewable energy, storage systems, EV charging, and hazardous locations
- Revised grounding, bonding, wiring methods, and overcurrent protection rules
- New climate resilience rules and guidance for livestock/agricultural buildings
- Refined equipment classifications, voltage references, and conductor ampacity updates
- Enhanced provisions for raceways, environmental protection, and installation practices
- Includes 80+ specialized sections (hospitals, cranes, marinas, airports, amusement parks)
- Appendices cover engineering interpretations, intrinsically safe circuits, and fire protection
Who It's For:
Electricians, engineers, code officials, and contractors operating under Canadian electrical safety regulations. Supersedes CSA C22.1-18.
CSA C22.1:21

