Special operation certificate
The required reference book is Basic Knowledge of Electrician, published by China Labor and Social Security Publishing House and written by Li Fenglin.
Electrician network access license
The required reference books are: reference materials for the electrician's network access permit examination, compiled by the compilation group of the Power Business Qualification Management Center of the State Electricity Regulatory Commission and published by Zhejiang People's Publishing House.
professional certificate
The required reference book is: National Vocational Qualification Training Textbook: Fundamentals of Electrician (2nd Edition), compiled by the Editorial Board of National Vocational Qualification Training Textbook and published by Machinery Industry Press.