The basic information on electrical engineering and electrical machines is presented, the device of mine equipment is considered, the schemes of mine electrical installations and power supply of mines are given. Basic information on industrial electronics. The basics of automatic control and regulation, elements of mine automation systems and schemes of technological processes at the mine site are considered. The rules of operation and safety requirements for the maintenance of mining electrical equipment. Attention is paid to the electrical lighting of underground workings, mine signaling and communication. The prospects for the development of automation in coal mines.