1. IEC 60650:1979 Analogue counting ratemeters. Characteristics and test methods

2. IEC TR 60663:1980 Planning of (single-sideband) power line carrier systems

3. IEC 60654-3:1983 Operating conditions for industrial-process measurement and control equipment - Part 3: Mechanical influences

4. IEC 60654-2:1979 Operating conditions for industrial-process measurement and control equipment. Part 2: Power

5. IEC 60654-4:1987 Operating conditions for industrial-process measurement and control equipment. Part 4: Corrosive and erosive influences

6. IEC TR 60649:2007 Calculation of maximum external diameter of cables for indoor installations

7. IEC 60644:2009 Specification for high-voltage fuse-links for motor circuit applications

8. IEC 60657:1979 Non-ionizing radiation hazards in the frequency range from 10 MHz to 300 000 MHz

9. IEC 60645-1:2012 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone audiometry

10. IEC 60645-2:1993 Audiometers - Part 2: Equipment for speech audiometry