標準號：IS 9080 Pt.3-1979
發布日期：1979/10/1 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：1.1 This standard ( Part III) deals with the protection against hazards of electrical and thermal origin which may arise from the operation and maintenance of low and medium frequency crucible and channel induction furnaces, capacitors and other electrical equipment.1.2 This standard also covers the part of the installation connected after the furnace supply transformer or the medium frequency converter. The said part of the installation comprises the furnace itself, foundations and structure, electrical equipment, induction coils, the operating and control devices of the furnace and all equipment connected with the operation of the furnace.