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NF EN 50341-2-20:2015

Current

Current

The latest, up-to-date edition.

Overhead electrical lines exceeding AC 1 kV - Part 2-20 : National Normative Aspects (NNA) for ESTONIA (based on EN 50341-1:2012)

Published date

01-02-2015

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FOREWORD
1SCOPE
2NORMATIVE REFERENCES, DEFINITIONS AND SYMBOLS
3BASIS OF DESIGN
4ACTIONS ON LINES
5ELECTRICAL REQUIREMENTS
6EARTHING SYSTEMS
7SUPPORTS
8FOUNDATIONS
9CONDUCTORS AND EARTH-WIRES
10INSULATORS
11HARDWARE
12QUALITY ASSURANCE, CHECKS AND TAKING-OVER
Annexe Annex E (normative) Theoretical method for calculating minimum air clearances
Annexe Annex G (normative) Calculation methods for earthing systems
Annexe Annex B (informative) Conversion of wind velocities and ice loads
Annexe Annex C (informative) Application examples of wind loads - Special forces
Annexe Annex F (informative) Empirical method for calculating mid span clearances
Annexe Annex H (informative) Installation and measurements of earthing systems
Annexe Annex M (informative) Geotechnical and structural design of foundations

In Estonia the standardEN 50341-1(Part 1) can only be applied using this NNA (EN 50341-2-20) containing National Normative Aspects for Estonia.

Committee
CLC/TC 110
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Current

Standards Relationship
EN 50341-2-20:2015 Identical
EN 50341-2-20:2018 Identical

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