These requirements apply to metal and nonmetallic surface raceway systems and combinations thereof intended for installations in accordance with the Rules of the Canadian Electrical Code, Part I.
These requirements do not apply to lighting equipment as specified in CSA Standard C22.2 No. 9, wire ways as specified in CSA Standard C22.2 No. 26, or cable trays as specified in CSA Standard CAN/CSA-C22.2 No. 126.
The values given in SI (metric) units are the standard. The values given in parentheses are for information only.