Foreword

This code is revised by China Electric Power Research Institute and Jiangsu Electric Power First Engineering Company on the basis of GBJ 149-90 Electric Equipment Installation Engineering　Code for Construction and Acceptance of Busbar Equipments and in accordance with Notice on Project Construction Standard Preparation and Revision Plan of 2006（Second Batch）（Jian Biao［2006］No.136）issued by the Ministry of Construction.

This code is divided into 5 chapters:

1　General Provisions

2　Terminology

3　Busbar Installation

4　Installation of Insulator and Wall Bushing

5　Project Handover and Acceptance

The provision（s）printed in bold type are compulsory ones and must be enforced strictly.

Ministry of Housing and Urban-Rural Development of The People's Republic China is in charge of The administration of this code and the explanation of the compulsory provision，China Electricity Council is in charge of routine management of this code，China Electric Power Research Institute is responsible for the explanation of specific technical contents.

The chief development organization，participating development organizations，chief drafting staff and chief reviewers are:

Chief Development Organization:

China Electric Power Research Institute

Participating Development Organizations:

Jiangsu Electric Power First Engineering Company

Sichuan Electric Power Third Engineering Company

Beijing Electric Power Engineering Company

Beijing Power Transmission and Conversion Company

Shanghai Electric Power Engineering Company

Chief Drafting Staff:

Liu Aimin　Li Zhenqiang　Wang Qiang　Zhang Lie　Jing Jin　Zou Yunbo

Li Jie　Lu Yonghua

Chief Reviewers:

Chen Fayu　Cai Xinhua　Sun Yong　Li Bo　Gan Huanchun　Liu Changgen

Ge Zhanyu　Ma Quansheng　Zhu Yongzhi　Wang Yimin　Mei Xiufeng