本标准适用于设计用于光纤和通信电缆的光纤电缆和通信电缆管道系统，并按照《加拿大电气规范》第一部分进行安装。注:（1）额定FT6的管道系统可替代额定FT4或FT1的管道系统。额定FT4的电缆管道系统可替代额定FT1的电缆管道系统。（2） 特定应用的火焰传播要求受适用的省级或市级建筑规范管辖。有关一般指导，请参见规则2- 128，《加拿大电气规范》第一部分附录B和G。

This Standard applies to optical fiber cable and communication cable raceway systems designed for use with optical fiber and communication cables and intended to be installed in accordance with the Canadian Electrical Code, Part I.Notes:(1) Raceway systems rated FT6 may be substituted for raceway systems rated FT4 or FT1. Raceway systems rated FT4 may be substituted for raceway systems rated FT1.(2) Flame spread requirements for particular applications are governed by the applicable provincial or municipal building codes. For general guidance, see Rule 2-128, Appendices B and G of the Canadian Electrical Code, Part I.