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  • CEI 20-21/3-1 : 2007

    Current The latest, up-to-date edition.

    ELECTRIC CABLES - CALCULATION OF THE CURRENT RATING - PART 3-1: SECTIONS ON OPERATING CONDITIONS - REFERENCE OPERATING CONDITIONS AND SELECTION OF CABLE TYPE

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  Comitato Elettrotecnico Italiano

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative reference
    3 Reference ambient temperatures and thermal resistivities
      of soil in various countries
    4 Values relating to the operating conditions in various
      countries
    5 Information required from the purchaser for the selection of
      the appropriate type of cable

    Abstract - (Show below) - (Hide below)

    Pertains to the conditions of steady-state operation of cables at all alternating voltages, and direct voltages up to 5 kV, buried directly in the ground, in ducts, troughs or in steel pipes, both with and without partial drying-out of the soil, as well as cables in air.

    General Product Information - (Show below) - (Hide below)

    Committee CT 20
    Development Note Supersedes CEI 20-21. (05/2008)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60183:2015 Guidance for the selection of high-voltage A.C. cable systems
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