Canadian Electrical Code

(Twenty-Second Edition)

Wire Size Calculator - Above Ground 2012
The Circuit    
Nominal Circuit Voltage
Conductors per Phase
Circuit Type
The Conductor    
Copper or Aluminum Conductors
Insulation Temperature Rating
 Rule 4-004(11)
Correcting for equipment rating    
Is this a continuous load
 Rule 8-104(3)
Overcurrent Device Rating
 Appendix B: 8-104
Lowest Conductor Termination Temperature
 Rule 4-006
Installation Type
Ambient Temperature
Number of Conductors in Contact
 Rule 4-004(3),(4),(6),(7),(10),(12) and (14)
Voltage Drop    
Distance in Meters or Feet
Length of Run
 (one way)
Allowable Voltage Drop
 Rule 8-102(1)

This is for entertainment, only. It is not to be relied upon. The information is altered for processing and to display in a predetermined format. It contains errors, has omissions, and is not updated, including with revisions, amendments, regulations, nor interpretations. It is the opinion of the writer, who states that other valid opinions produce other results. No warranty is provided. Liability is denied.

Last Modified: April 12, 2012