BS EN 62822-2. Assessment of electric welding equipment related to restrictions of human exposure to electromagnetic fields (0 Hz-300 GHz). Part 2. Basic standard for arc welding equipment Electromagnetic fields, Electric welding, Welding equipment, Welding, Arc welding, Physiological effects (human body), Resistance welding, Resistance-welding equipment, Health & safety requirements, Hazards, Radiation hazards, Frequencies