IEC 60364-7-702:2010-Low-voltage electrical installations-Part 7-702: Requirements for special installations or locations-Swimming pools and fountains, IEC 60947-8:2003+AMD1:2006 CSV-Low-voltage switchgear and controlgear-Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines, IEC 60364-7-717:2009-Low-voltage e