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  • NF EN 50341-2-20:2015

    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)

    Available format(s):  Hardcopy

    Language(s):  English, English - French

    Published date:  01-02-2015

    Publisher:  Association Francaise de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

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    Committee CLC/TC 110
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Current
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