1. IEC 60050-131:2002+A1:2008. Amendment 1. International Electrotechnical Vocabulary – Part 131: Circuit theory

2. IEC 60050-561:2014-11. International electrotechnical vocabulary – Part 561: Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and de

3. IEC 60050-902:2013. International electrotechnical vocabulary – Part 902: Conformity assessment

4. IEC 60050-903:2013. HORIZONTAL STANDARD. International Electrotechnical Vocabulary – Part 903: Risk assessment

5. IEC 60050-904:2014-11. HORIZONTAL STANDARD. International electrotechnical Vocabulary – Part 904: Environmental standardization for electrical and electronic products and systems

6. IEC 60050/AMD1:2014-02. Amendment 1. International Electrotechnical Vocabulary – Part 161: Electromagnetic compatibility, Part 732: Computer network technology, Part 851: Electric welding

7. IEC/TS 60034-30-2:2016-12. Rotating electrical machines – Part 30-2: Efficiency classes of variable speed AC motors (IE-code)

8. IEC/CEI 60034-9:2003+A1:2007. Rotating electrical machines – Part 9: Noise limits

9. IEC/CEI 60050-471:2007. International Electrotechnical Vocabulary - Part 471: Insulators

10. IEC/TS 60034-18-33:2010. Rotating electrical machines – Part 18-33: Functional evaluation of insulation systems – Test procedures for form-wound windings – Multifactor evaluation by endurance un