Foreword

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

This code consists of 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 eleventh part of the line standards，which is established according to the notice of confirming the plan of Establishment and Revise Power Industrial Standards in 1999 issued by the Power Department of the National Economic and Trade Commission of China（DL［2000］No.22）.

This part is the tabular form of GB 50310 Code for acceptance of installation quality of lifts，escalators and passenger conveyors as well as related national standard and professional standard.It is power industry standard which is applicable to construction quality checkout of electric equipment for elevator.

This part is proposed by and under centralized management of China Electric Power Construction Research Institute.

Chief Development Organization：

　　　　　　China Electric Power Construction Research Institute

Particpating Development Organization：

　　　　　　Henan No.1 Thermal Power Construction Company

　　　　　　SEPCOI Electric Power Construction Corporation

Chief Drafting Staff：

　　　　　　Zhou Narong　Wei Guozhu　Chen Fayu　Liu Zhiliang　Zhen Kai

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