本文件中描述的管道用于电气互连系统，用于保护和布线线束安装。本规范规定了为电线束提供机械保护和支撑的塑料卷曲管的要求。连续工作温度范围为-55摄氏度（-67华氏度）至260摄氏度（500华氏度）。

The tubing described in this document is for use in electrical interconnect systems for the protection and routing of wire bundle installations.This specification establishes requirements for plastic convoluted tubing that provides mechanical protection and support for electric wire bundles. The continuous operating temperatures range from -55 \mDC (-67 \mDF) to 260 \mDC (500 \mDF).