Canadian Electrical Code
Rule 4-004 22b
4-004 Ampacity of wires and cables
For the explicit installations utilizing multi-conductor cables, the corresponding baseline ampacity value sourced from either Table 2 or Table 4 must...
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.