IEC 80601-2-60:2019-Medical electrical equipment-Part 2-60: Particular requirements for the basic safety and essential performance of dental equipment, IEC 60364-7-702:2010-Low-voltage electrical installations-Part 7-702: Requirements for special installations or locations-Swimming pools and fountains, IEC 60107-3:1988/AMD1:1999-Amendment 1-Recomme