Foreword

This code is revised on the basis of GBJ 147-90 Electric Equipment Installation Engineering Code for Construction and Acceptance of High-voltage by the China Electric Power Research Institute jointly with all concerned organizations.

The code comprises 11 chapters with the main contents as follows:general provisions，terms，general requirements，SF6 circuit breaker，gas-insulated metal-enclosed switchgear，vacuum breaker and highvoltage switch cabinet，operating device of breaker，disconnecting switch，load switch and high-voltage fuse，arrester and discharge gap of neutral point，dry-type reactor and wave trap coil，as well as capacitor.

The clauses marked in black letter are compulsory provisions and must be enforced strictly.

Chief Development Organizations，Participating Organizations，Translation organizations，Chief Drafter Staff，Chief Examiners and Chief translator of this code:

Chief Development Organizations:

China Electric Power Research Institute（former State Power Electric Power

Construction Research Institute）

Guangdong Power Transmission & Transformation Engineering Co.，Ltd.

Participating Development Organizations:

Beijing Super High Voltage Company

State Grid DC Engineering Construction Co.，Ltd.

Shandong Power Transmission & Transformation Engineering Co.，Ltd.

Translation organizations:China Electric Power Research Institute

Chief Drafting Staff:

Lv Zhirui　Zhang cheng　Wang Jinhong　He Guanheng　Jing jin

Chen Yifu　Liu Donggen　Li Bo　Ma Xuejun

Chief　Examiners:

Chen Fayu　Cai Xinhua　Sun Guanfu　Wu Kefen　Xiang Yuhua

Jian Hancheng　Li Guisheng　Luo Xiqun　Tan Changyou　Jiang Feng

Zhou Yizhong　Liao Wei　Li Wenxue　Cheng Hongqiang

Chief translator:

Sun Jiantao