C22.1HB-15 - Canadian electrical code handbook - An explanation of the rules of the Canadian electrical code, part 1
Introduction to the CE Code HandbookThis Handbook provides background information on the reasons behind the requirements in the Canadian Electrical Code, Part I, and gives an explanation of each Rule in plain, easy-to-understand language. The Handbook is intended to provide a clearer understanding of the safety requirements of the Code.
The content of this Handbook is not meant to form a code of mandatory requirements. The mandatory language ("shall") that is used in the CE Code, Part I, has not been used here. Care has been taken to ensure that the intent of the Code Rules is clear to the users of the Handbook. However, users of the Handbook must not under any circumstances rely on it to determine the current requirements of the Code. As always, reference must be made to the Code itself and any local amendments. CSA does not assume responsibility for any errors or omissions resulting from the information contained in this Handbook.
The Rules in the CE Code, Part I, are divided into two groups. Sections 0 to 16 and 26 are considered General Sections, and the other Sections supplement or amend those General Sections. Therefore a requirement in the supplementary Sections takes precedence over a general requirement. For example,
- Rule 12-1008 requires three threads to be engaged when making a threaded connection, whereas Rule 18-106 requires five threads to be engaged when making a threaded connection in a Class I, Zone 1 area.
- Section 4 permits the use of aluminum conductors, but Rule 32-100 does not allow aluminum conductors to be used in fire alarm systems.
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