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The safety requirements for flexible cords and cables are explicitly stated in CSA standard C22.2 No. 49-98. In order to enable readers to understand the relevant requirements before research and development and manufacturing, the following explanations and introductions are made for their labeling, structural requirements, and safety testing. Marking

Marking on wires (mandatory requirement): The 610 mm mark must appear at least once on the wire. 1. Company name (or CSA contract number, registered trademark/trade name). 2. Temperature rating (those above the minimum temperature must be printed on the line material).