1. PD IEC/TR 61361:1999.Electricity metering - Local and remote data exchange - Applications and performance

2. PD IEC/TR 61375-2-7:2014. Electronic railway equipment - Train communication network (TCN) Part 2-7: Wireless Train Backbone (WLTB)

3. PD IEC/TR 61439-0:2013. Low-voltage switchgear and controlgear assemblies Part 0: Guidance to specifying assemblies

4. PD IEC/TR 61496-4:2007. Safety of machinery - Electro-sensitive protective equipment - Part 4: Particular requirements for equipment using vision based protective devices (VBPD)

5. PD IEC/TR 61508-0:2005. Functional safety of electricalelectronic programmable electronic safetyrelated systems - Part 0: Functional safety and IEC 61508

6. PD IEC/TR 61547-1:2015 Equipment for general lighting purposes - EMC immunity requirements Part 1: An objective voltage fluctuation immunity test method

7. PD IEC/TR 61641:2014. Enclosed low-voltage switchgear and controlgear assemblies -Guide for testing under conditions of arcing due to internal fault

8. PD IEC/TR 61788-20:2014. Superconductivity Part 20: Superconducting wires - Categories of practical superconducting wires - General characteristics and guidance

9. PD IEC/TR 61804-6:2012. Function blocks (FB) for process control - Electronic Device Description language (EDDL) Part 6: Meeting the requirements for integrating fieldbus devices in engineering tools for field devices

10. PD IEC/TR 61831:2011. On-line analyser systems - Guide to design and installation