This video covers conductor sizing and overcurrent protection requirements when changing from a larger conductor to a smaller conductor, referencing the Canadian Electrical Code (CEC).

The main rule this covers is 14-100 b) and c)

This is found in the Protection and Control section of the Code Book

This video is meant to be educational. For any installations you should reference your local safety code requirements and consult a qualified electrician.

Introduction: (0:00)
Main Service Sizing: (3:10)
Tap 3m or less: (4:57)
Tap over 3m less than 7.5m: (8:35)