To query electrician certificate, you need to log in to official website, the corresponding provincial safety supervision bureau, and enter the corresponding certificate number to query. The State Administration of Work Safety makes a unified version of the special operation certificate and submits it to the provincial and municipal work safety bureaus for training and examination, which also determines that all regions can only inquire about the certificate information issued by themselves. For example: 1, located in Yunnan Province, and then inquired in official website, Yunnan Provincial Administration of Work Safety. 2. Click on the lower left corner to query the security qualification certificate query system in the service. 3. Just enter your own certificate type, ID number, name and verification code to query. Extended information electrician certificate type: 1, professional qualification certificate The professional qualification certificate is the proof that the holder has the necessary knowledge and skills to engage in electrician work. The professional skill appraisal institution of the Ministry of Labor and Social Security conducts objective, fair, scientific and standardized evaluation and appraisal of the skill level or professional qualification of electricians, and issues corresponding national professional qualification certificates to those who pass the examination. The national vocational qualification grades are divided into five grades: primary, intermediate, advanced, technician and senior technician. The vocational qualification certificate is universal throughout the country and does not need annual examination. According to the national occupational classification ceremony, the types of electrician include maintenance electrician, transformer equipment installer and relay protection worker. 2. Special operation certificate The state stipulates that special operation operators must hold relevant certificates. The electrician's special operation certificate is equivalent to the work certificate, which mainly proves that the holder has the knowledge and ability of electrician's safe operation. The electrician special operation certificate is issued by the State Administration of Work Safety, valid for 3 years, and must be reviewed after expiration. 3, electrician into the network operation license is the user's power device or transmission device, engaged in electrical installation, testing, maintenance, operation and other operations license. Electricians working in the network shall engage in the network operation within the operation scope determined by the electrician's network operation license. Electrician's network work permit is divided into three categories: low voltage, high voltage and special type, which is issued by the National Energy Administration (SERC) and is valid for 3 years, and must be reviewed after expiration. reference data