IEC 60364-7-717:2009-Low-voltage electrical installations-Part 7-717: Requirements for special installations or locations-Mobile or transportable units, IEC 60034-15:2009-Rotating electrical machines-Part 15: Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines, IEC 60641-3-1:2008-Pressboard and presspaper for elec