1. CEI/IEC 61000-2-2:2002 Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for lowfrequency conducted disturbances and signalling in public low-voltage power supply systems

2. IEC 60647:1979 Dimensions for magnetic oxide cores intended for use in power supplies (EC-cores)

3. IEC 60662:2011 High-pressure sodium vapour lamps - Performance specifications

4. IEC 60645-6:2009 Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions

5. IEC 60654-1:1993 Industrial-process measurement and control equipment - Operating conditions - Part 1: Climatic conditions

6. IEC TR 60648:1979 Method of test for coefficients of friction of plastic film and sheeting for use as electrical insulation

7. IEC 60654-2:1979/AMD1:1992 Amendment 1 - Operating conditions for industrial-process measurement and control equipment. Part 2: Power

8. IEC 60660:1999 Insulators - Tests on indoor post insulators of organic material for systems with nominal voltages greater than 1 000 V up to but not including 300 kV

9. IEC 60645-4:1994 Audiometers - Part 4: Equipment for extended high-frequency audiometry

10. IEC 60645-7:2009 Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory brainstem responses