Electricians have four certificates: special operation certificate, electrician network operation certificate, professional qualification certificate and construction special operation certificate. 1. Special operation certificate: operation type: electrician (commonly known as operation certificate and work license), classification: high-voltage operation and maintenance operation, high-voltage installation and maintenance operation, low-voltage electrician operation, installation and maintenance, power generation, transformation and distribution. Since 20 10, the old version of the special operation certificate (IC card) has been replaced by the new version of the People's Republic of China (PRC) Special Operation Certificate, just like the second-generation ID card. The review is a three-year trial, and the special operation certificate is renewed once every six years. 2. Electrician's Network Access Certificate (18, Chief Personnel of Safety Supervision) cancels the issuance of the administrative license for electrician's Network Access Certificate, and the safety supervision department examines and issues the "Special Operation Certificate (Electrician)": after you have this certificate, it means that you become a real electrician, and your responsibility scope is "before using electrical equipment", such as power station-substation (transmission station)-& Factory (community) substation-> transformer->; Switch cabinet. Classification: electrician's network access certificate is divided into three categories: low voltage, high voltage and special. At present, the high-voltage category has expired, and no new electrician work license will be issued. During the review, the electrician's network access certificate was recovered, and it was changed to a special operation certificate after the review. Operation category: electrician operation, permitted operation item: high-voltage electric operation. Baoding Dagen education is simple, fast and guaranteed!