Foreword

Specification for construction quality checkout and evaluation of electric equipment installation is a series of standards for construction quality checkout，acceptance and evaluation of electric equipment installation.

The set of standards is comprised of the following 17 parts：

—Part 1：General rules；

—Part 2：High-voltage electric equipments；

—Part 3：Power transformers，oil-immersed type reactors and instrument transformers；

—Part 4：Busbar equipments；

—Part 5：Power cable lines；

—Part 6：Grounding devices；

—Part 7：Rotating electrical machines；

—Part 8：Panels，cabinets and secondary circuit wirings；

—Part 9：Batteries；

—Part 10：35kV and below over-head power line installation；

—Part 11：Elevator；

—Part 12：Low-voltage apparatus；

—Part 13：Power converter equipments；

—Part 14：Cranes；

—Part 15：Electric equipments in explosive or inflammable hazardous environment；

—Part 16：1kV and under feeder cable engineering；

—Part 17：Electric lighting devices.

This part is the sixth part of this series of standards，which was prepared according to the document of Notice on Electric Power Industry Standard Preparation and Revision Project（Comprehensive Science and Education［1998］No.28）of 1997.

This part is a tabular form of GB 50169 Electric equipment installation engineering Code for construction and acceptance of grounding devices，and other relevant national and industrial standards，which is a professional standard applied to quality checkout of grounding device installation quality.

This part is proposed by and under the jurisdiction of China Electric Power Construction Research Institute.

Chief Development Organization：

　　　　　　China Electric Power Research Institute

Participating Development Organizations：

　　　　　　Sichuan NO.3 Electric Power Construction Company

　　　　　　Jilin Electric Power Construction Company

Chief Drafting Staff：

　　　　　　Yan Li　Chen Fayu　Li Zhigeng　Chen Guiying　Song Jian　Yang Zuoqin

　　　　　　Dong Gang

China Electric Power Research Institute is responsible for the explanation of this standard.