IEC 60519-1:2015 specifies general safety requirements for industrial installations or equipment intended for electroheating (EH) and electroheating based treatment technologies as well as for electromagnetic processing of materials (EPM). This fifth edition cancels and replaces the fourth edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The title and scope of the standard has been expanded to include installations and equipment for electromagnetic processing of materials. b) Terms and definitions as well as the list of normative references have been updated and completed with new items. c) The requirements have been restructured. d) Additional requirements for electric and magnetic fields, for touch currents as well as for optical radiation have been added. e) New clauses addressing verification have been added. f) New annexes specifying limits of exposure hazards for electric and magnetic fields, optical radiation, noise and vibration have been added. g) New annexes on EMC, markings and warnings, guidelines for using this standard and information on the connection to ISO 13577-1 have been added.