"Coal Mine Electrician Safety Training Reader" is suitable for coal mine electricians and technicians, managers and workers engaged in coal mine operations. Electrical safety is a very important part of coal mine safety production. "Coal Mine Electrician Safety Training Reader" introduces the basic knowledge of electricians, electrical explosion-proof and power supply equipment, the three major protections of underground low-voltage power grid, the basic knowledge of electrician's underground accident prevention, underground disaster avoidance and self-help and mutual rescue, which has a strong guiding role for coal mine electricians and relevant personnel engaged in coal mine operations.