Canadian Electrical Code
Rule 20-402 6
20-402 Hazardous areas
Raceways installed at least 600 mm below the hangar floor are not required to comply with Zone 1 standards, provided certain conditions are met....
Unlock the Full Rule Analysis
This rule has been fully audited and analyzed. Log in to ask Henri for exact calculations, exceptions, and job-site requirements.
Ask Henri Now🧮
Smart Calculators
Henri uses this rule to automatically calculate wire sizing, voltage drop, and box fill.
🔍
Cross-Referenced
Instantly view how this rule interacts with Utility Manuals and Appendix B.
⚡️
Jobsite Ready
Accessible via mobile with offline caching capabilities for remote locations.