Applies to systems such as: Stirring devices for continuous machines, adjoining or being part of arc furnaces, ladles, etc; transport of liquid metal for emptying or filling furnaces, launders or moulds; devices to transport liquid metal with simultaneous proportioning of the transported quantity, e.g. for filling diecasting machines; systems for influencing the ingot surface or the pouring stream enhancing crystallization by means of an electromagnetic field during continuous casting. Shall be read in conjunction with IEC 60519-1