1. BS EN 61158-6-3:2014 Industrial communication networks -Fieldbus specifications - Part 6-3: Application layer protocol specification - Type 3 elements

2. BS EN 61158-6-4:2014 Industrial communication networks -fieldbus specifications - Part 6-4: Application layer protocol specification - Type 4 elements

3. BS EN 61158-6-5:2014 Industrial communication networks -Fieldbus specifications - Part 6-5: Application layer protocol specification - Type 5 elements

4. BS EN 61158-6-7:2008 Industrial communication networks - Fieldbus specifications - Part 6-7: Application layer protocol specification - Type 7 elements

5. BS EN 61158-6-9:2014 Industrial communication networks -Fieldbus specifications - Part 6-9: Application layer protocol specification - Type 9 elements

6. BS EN 61166:1993 IEC 1166:1993 Specification for High-voltage alternating current circuit-breakers - Guide for seismic qualification of high-voltage alternating current circuit-breakers

7. BS EN 61167:2016 Metal halide lamps - Performance specifications (IEC 611672015, modified)

8. BS EN 61169-1:2013 Radio-frequency connectors - Part 1: Generic specification - General requirements and measuring method

9. BS EN 61226:2010 Nuclear power plants – Instrumentation and control important to safety - Classification of instrumentation and control functions

10. BS EN 61850-10:2013. Communication networks and systems for power utility automation Part 10: Conformance testing