This is the third of a series of articles detailing significant changes for the 2015 Canadian Electrical Code Part I (CE Code). Specifically, Sections 2, 4, 6, 8, 10 and 12.The rules in this article are limited to changes adopted by CE Code Technical Committee and not subject to further changes. It should be noted that until a formal memorandum of revisions to the CE Code is published by the Canadian Standards Association (CSA), the information provided in this article is simply based on the observations of the writer.