Historical
IEC 60519-3 Ed. 2.0 b:1988
Safety in electroheat installations - Part 3: Particular requirements for induction and conduction heating and induction melting installation
Applies to: -installations for induction and conduction heating of solids. at low, medium and high frequencies (for conduction heating, use of direct current is also included); -installations for induction melting, holding and superheating at low, medium and high frequencies; -those parts of the conveying or handling equipment of the electroheat installation which are within the influence of the heating section.
International Electrotechnical Commission [iec]