When dealing with tunnels, one must understand the definition and understand the electrical requirements that are both required and needed in these areas.

In doing so, we will not cover every section of Article 250, but concentrate on those that are used most commonly by multi-trade inspectors.

What is grounding? Let's discuss a number of permissible grounding requirements and methods covered by the Canadian Electrical Code.

Residential load calculations first appeared in the Canadian Electrical Code Part I (CE Code) in the second edition dated 1930.