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  1. Table D3 CSA 22.1

    Canadian Electrical Forum
    Hi, I am electrical engineer and unfortunately didn't go to any technologist school. Hence I am unfamiliar with the term "Distance to centre of distribution". Can anyone please let me know what this means? I calculated the actual permissible lengths using the resistivity and cross-section and my...
  2. Class 1, 2, and 3 Wiring

    NEC Code Forum
    Hi Everyone, Can someone please explain the difference in Class 1, 2 and 3 wiring ? I understand as per 725.41 (A) that expresses that Class 1 power limited circuits shall be not more then 30 volts and 1000 volt amperes. Class 1 Remote control and signaling circuits should not exceed 600...
  3. Hello all! New to the forum and to Canada!

    New Member Introductions
    Hi all some great info/posts, the forum has been a huge help already! I have recently moved from Ireland to Toronto,ON (10 months ago) and I am looking at challenging the 309a exam over the next couple of months so I would really appreciate some advice? I am fully qualified in Ireland and have...
  4. Canada- Computer Version of Code Book

    NEC Code Forum
    Has anyone used or currently using the Canadian version of the code book pdf file? If so how do you like it?