Misrikhanov M.Sh., Tokarskiy А.Y., OJSC “Intersystem Electric Grids of the Center”; Rubtsova N.B., RAMS Institute of occupational health

A question concerning the probable adverse EF impact on the person was put for the first time by the Soviet researchers in the early sixties of the ХХ century. It was connected with complaints of the personnel, maintaining substations (SSs) and ALs under voltage of 400 and 500 kV, to a headache, slackness, undue fatigability, irritability, drowsiness, infringements of activity of cardiovascular system and gastrointestinal tract.