1. IEC PAS 60539-1-1:2008 Directly heated negative temperature coefficient thermistors - Part 1-1 Blank detail specification - Sensing application - Assessment level EZ

2. IEC TS 60519-5:2008 Safety in electroheat installations - Part 5 Specifications for safety in plasma installations

3. IEC 60337-1:1970 Control switches (low-voltage switching devices for control and auxiliary circuits, including contactor relays) - Part 1 General requirements

4. IEC 60337-1A:1973 First supplement - Control switches (low-voltage switching devices for control and auxiliary circuits, including contactor relays) - Part 1 General requirements

5. IEC 60337-1B:1975 Second supplement - Control switches (low-voltage switching devices for control and auxiliary circuits, including contactor relays) - Part 1 General requirements

6. IEC 60337-2:1972 Control switches (low-voltage switching devices for control and auxiliary circuits, including contactor relays) - Part 2 Special requirements for specific types of control switches - Section o

7. IEC 60337-2A:1973 First supplement - Control switches (low voltage switching devices for control and auxiliary circuits, including contactor relays) - Part 2 Special requirements for specific types of control

8. IEC 60337-2C:1977 Third supplement - Control switches (low-voltage switching devices for control and auxiliary circuits, including contactor relays) - Part 2 Special requirements for specific types of control

9. IEC 60338:1970 Telemetering for consumption and demand

10. IEC 60339-1:1971 General purpose rigid coaxial transmission lines and their associated flange connectors - Part 1 General requirements and measuring methods