Safety in installations for electroheating and electromagnetic processing. General requirements|Safety measures, Arc furnaces, Classification systems, Electrical safety, Rated frequencies, Occupational safety, Rated voltage, Induction heaters, Infrared radiation, Installation, Microwave devices, Equipment safety, Lasers, Heating equipment, Electrical equipment, Electric furnaces, Industrial, Hazards, Electric heaters, Resistance furnaces, Induction furnaces, Inspection, Heaters, Electron beams, Safety devices