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BS/EN 50341-2-13-2017 pdf download.Overhead electrical lines exceeding AC 1 kV Part 2-13: National Normative Aspects (N NA) for ITALY (based on EN 50341-1:2012). IT.1 Field of application This standard specifies the general safety requirements, clarifies the actions...

BS/EN 50341-2-9-2017 pdf download.Overhead electrical lines exceeding AC 1 kV Part 2-9: National Normative Aspects (N NA) for Great Britain and Northern Ireland (based on EN 50341-1:2012). 5.6 Load cases for calculation of clearances 5.6.1 Load cases...