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C22.3 NO. 1-15 - Overhead systems
The Canadian Electrical Code is published in several parts, with Part III standards covering electrical protection, safety, and design criteria related to both overhead and underground systems for distribution and transmission. ‘Overhead Systems’ refers to the lines and equipment associated with overhead electrical supply and communications systems located entirely outside buildings and fenced supply stations. The tenth edition of CSA C22.3 No. 1 Overhead Systems is one of a series of standards issued under the Canadian Electrical Code, Part III.