Flame spread requirements for electrical wiring and cables (see Appendices B and G)

Insulated conductors and cables installed in buildings shall meet the flame spread requirements of the
National Building Code of Canada or local building legislation.

Source: Rule 2-130, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. © 2021 Canadian Standards Association. Please visit store.csagroup.org