本推荐规程的规定适用于所有与纺织厂制造区常用机械和设备连接的电气设备和电线，从电源连接到机器电气设备的位置开始。无论电气设备是机器的一部分还是由用户提供和安装，它们都是最低要求。本推荐规程应适用于电源电压不超过600伏的电气设备

The provisions of this Recommended Practice apply to all electric equipment and wiring connected to machinery and equipment commonly used in the manufacturing areas of textile mills, starting at the place of connection of the power supply to the machine electric equipment. They are intended as minimum requirements whether the electric equipment is a part of the machine or is supplied and installed by the user. This Recommended Practice shall apply to electric equipment having a supply voltage of 600 volts or less