The examination contents include ohm's law, series-parallel circuit, power accounting, electricity safety, fluorescent lamp working circuit, motor forward and backward rotation, application of electrical instruments, electric shock first aid and so on.
Three kinds of certificates commonly used in electrician certificates are issued by three different departments, and the examination contents are different according to the types of certificates applied for. The general special operation certificate pays attention to safety training, the electrician grade certificate issued by the Human Resources and Social Security Bureau pays attention to basic content, and the network access certificate issued by SERC pays attention to practical operation and application.