IS 9080 Pt.4-1981

标准号：IS 9080 Pt.4-1981
发布日期：1981/4/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This standard ( Part IV ) covers the safety requirements of arc furnace installations, for example, direct arc furnaces and submerged arc furnaces.1.2 This standard also applies to that part of the installation which is situated on the output side of the furnace feeding transformer. This part of the installation comprises: the furnace itself, its foundation and structure, its electric equipment from the low voltage terminals of the transformer to the electrodes, the operating and control apparatus of the furnaces and all other equipment inherent in the utilization of the furnace.