Consult the local safety supervision bureau or technical school (general training) for electrician operation certificate. The general tuition fee is around 600 yuan, the training time is about 6 days, and the theory and practice are tested, and the validity period is three years. Electricians should consult the local power supply company (SERC) for the network access certificate. General tuition 1000 yuan, training time 10 days, theoretical and practical examination, valid for three years.