UL 1581 VW-1 - Reeling & Trailing Cables For Cranes & Mining — Feichun Special Cable Blogs

The Canadian Standards Association (CSA) FT1 designation represents a critical flame resistance certification for electrical cables intended for installation in North American markets. This vertical flame test, codified under CSA C22.2 No. 0.3 and the harmonized standard CSA C22.2 No. 2556, establishes minimum fire safety requirements that cables must meet to ensure safe installation in combustible building constructions. The CSA FT1 test methodology aligns closely with the American UL VW-1 (Vertical Wire) flame test defined in UL 1581, creating a harmonized standard across North American markets. This alignment facilitates cross-border trade and ensures consistent safety levels for equipment manufacturers and end users throughout Canada and the United States.

Technical Department

on29/12/2025

What is CSA FT1 Cable?

CSA FT1 certified cables are approved for installation in buildings of combustible construction throughout Canada, as mandated by the Canadian Electrical Code and provincial building codes. Understanding the appropriate application scenarios ensures code compliance and optimal safety performance.