Electrical safety technology is divided into two parts. The first part is the theoretical knowledge of electrical safety technology, including chapters 1 to 5. The first chapter is the common sense of safety production laws and regulations, the second chapter is electrician theory and power system operation knowledge, the third chapter is the basic knowledge of electrical safety, the fourth chapter is the safety technology theory of low-voltage operation and maintenance, and the fifth chapter is the safety technology theory of high-voltage operation and maintenance. The next part is electrical operation skills, including chapters 6-8. Chapter VI Basic Operation Skills of Safety Technology, Chapter VII Installation and Operation Skills of Low-voltage Electrical Appliances, and Chapter VIII Operation Skills of High-voltage Electrical Appliances. "Electrical Safety Technology" can be used as a teaching material for higher vocational colleges of electric power technology and related majors, as well as a training material for workers' skill appraisal and electrician's online job certificate in the electric power industry, and can also be used as a reading and reference for electric power managers.