本规程规定了仪表的电气设计要求。本规程描述了支持过程测量和控制系统仪表的设备选择、系统设计、电源和接线安装的要求。本文件引用了美国和国际标准。用户应根据地理位置和监管机构选择合适的标准。

This Practice provides requirements for electrical design for instrumentation. This Practice describes the requirements for equipment selection, system design, and installation of electrical supply and wiring to support instrumentation for process measurement and control systems. Both US and international standards are referenced in this document. The user should select the appropriate standards according to the geographical location and regulatory agencies.