1. PD IEC/TR 62632:2013. Nanoscale electrical contacts and interconnects

2. PD IEC/TR 62655:2013. Tutorial and application guide for high-voltage fuses

3. PD IEC/TR 62681:2014. Electromagnetic performance of high voltage direct current (HVDC) overhead transmission lines

4. PD IEC/TR 62690:2014. Hydrogen effects in optical fibre cables - Guidelines

5. PD IEC/TR 62691:2016. Optical fibre cables - Guidelines to the installation of optical fibre cables

6. PD IEC/TR 62711:2011. Mnemonics and designations of symbols for measuring relays, instruments and related device

7. PD IEC/TR 62721:2012. Reliability of devices used in fibre optic systems - General and guidance

8. PD IEC/TR 61000-3-13:2008. Electromagnetic compatibility (EMC) - Part 3-13: Limits - Assessment of emission limits for the connection of unbalanced installations to MV, HV and EHV power systems

9. PD IEC/TR 61000-4-38:2015. Electromagnetic compatibility (EMC) - Part 4-38: Testing and measurement techniques - Test, verification and calibration protocol for voltage fluctuation and flicker compliance test systems

10. PD IEC/TR 61131-4:2004. Programmable controllers - Part 4: User guidelines