Foreword
Specification for construction quality checkout and evaluation of electric equipment installation is a series of standards applied to quality checkout，acceptance and evaluation of electric equipment installation engineering.
The set of standards is comprised of the following17 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 belowover-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 fourteenth part of this series of standards，which was prepared according to the document of Notice on Project Confirmation of Formulating and Revising Professional Standards of Electric Power in 1999（Electric Power〔1999〕No.40）issued by the Electric Power Department of the State Economy and Trade Commission.
This part is a tabular form of GB 50256 Electric equipment installation engineering code for construction and acceptance of cranes，and other related national standards and professional standards，which is a professional standard applied to quality checkout of crane electric equipment construction.
This part is proposed by and under the jurisdiction of Electric Power Construction Research Instituteof State Grid.
Chief Development Organization：
Electric Power Construction Research Institute of State Grid
Participating Development Organization：
Henan No.1 Thermal Power Construction Company
Chief Drafting Staff：
Zhou Nanrong Chen Fayu Zheng Kai
Electric Power Construction Research Institute of State Grid is responsible for the explanation of this part.