本推荐规程涵盖工业和商业电力系统中设备的接地和连接。首先介绍系统中非电气金属元件的互连和接地。接下来讨论了设备接地的目标，包括最大限度地减少对人员的触电危险，为接地故障提供足够的载流能力，以及确保过电流保护的及时运行。

This recommended practice covers the grounding and bonding of equipment in industrial and commercial power systems. The interconnection and grounding of the non-electrical metallic elements of a system is covered first. This is followed by a discussion of the objectives of equipment grounding, including minimizing electric shock hazard to personnel, providing adequate current carrying capability for ground faults, and ensuring the timely operation of overcurrent protection.