• NBN EN 60708 : 2007 COR 2016

    Current The latest, up-to-date edition.

    LOW-FREQUENCY CABLES WITH POLYOLEFIN INSULATION AND MOISTURE BARRIER POLYOLEFIN SHEATH

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    Published date:  12-01-2013

    Publisher:  Belgian Standards

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

    1 Scope
    2 Normative references
    3 Quality assurance
    4 Cable construction
      4.1 Conductor
           4.1.1 Conductor material
           4.1.2 Type of conductor
           4.1.3 Conductor-finish
           4.1.4 Continuity of conductor
      4.2 Insulation
           4.2.1 Insulation material
           4.2.2 Insulation thickness
           4.2.3 Colour of insulated conductor
      4.3 Cabling element
      4.4 Stranding
      4.5 Colour code
           4.5.1 General
           4.5.2 Sub-units, units and cables up to and
                  including 100 pairs or 100 quads
           4.5.3 Cables of more than 100 pairs or 100 quads
      4.6 Spare pairs or quads
      4.7 Filling
      4.8 Core protection
      4.9 Sheath
           4.9.1 Sheath material
           4.9.2 Application of the sheath
      4.10 Cable protection
      4.11 Finished cable
           4.11.1 Overall diameter
           4.11.2 Sheath marking
           4.11.3 Sealing of ends
      4.12 Delivery
    5 Mechanical requirements
      5.1 Conductor
      5.2 Insulation
      5.3 Sheath
           5.3.1 Tensile strength and elongation
           5.3.2 Adhesion of aluminium tape to the
                  polyethylene
           5.3.3 Adhesion of aluminium tape at the
                  overlap
      5.4 Finished cable
           5.4.1 Sheath integrity
           5.4.2 Resistance to water penetration
           5.4.3 Cable drip
    6 Thermal stability and environmental requirements
      6.1 Insulation
           6.1.1 Thermal oxidative stability (OIT-test)
           6.1.2 Shrinkage
           6.1.3 Wrapping test of insulation after thermal
                  aging
           6.1.4 Bending test at low temperature
      6.2 Sheath
           6.2.1 Elongation at break after ageing
           6.2.2 Resistance to weathering
           6.2.3 Resistance to environmental stress cracking
    7 Electrical requirements
      7.1 General
      7.2 Electrical resistance of conductor
      7.3 Electrical resistance unbalance
      7.4 Dielectric strength
      7.5 Insulation resistance
      7.6 Mutual capacitance
      7.7 Capacitance unbalance
      7.8 Transmission characteristics (when used for digital
           communication)
           7.8.1 Attenuation
           7.8.2 Near End Crosstalk (NEXT)
           7.8.3 Equal Level Far-end Crosstalk (ELFEXT)
           7.8.4 Power sum (PS) of crosstalk loss
           7.8.5 Characteristic impedance
           7.8.6 Velocity of propagation
    Annex A (normative) Colour code: 10 pair or 5 quad count
    Annex B (normative) Colour code: sub-unit identification
             for 50 pair (25 quad) and 100 pair (50 quad) cables
             or units, using 10 pair or 5 quad count
    Annex C (normative) Colour code: 25 pair count
    Annex D (normative) Colour code: unit identification for
             50 pair or quad and 100 pair or quad cables or units,
             using 25 pair or quad count
    Annex E (normative) Colour code: 25 quad count
    Annex F (normative) Colour code: unit identification for
             cables with more than 100 pairs, 25 pair count
    Annex G (normative) Colour code: unit identification for
             cables with more than 100 pairs or 50 quads, using
             10 pair or 5 quad count or 25 quad count
    Annex ZA (normative) Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Describes the design details and requirements for dimensions and other constructional details as well as mechanical, electrical and environmental characteristics for all types of low-frequency cables with polyolefin insulation (solid or cellular), filled or unfilled, and moisture barrier polyolefin sheath (with integral suspension strand).

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

    Document Type Standard
    Publisher Belgian Standards
    Status Current
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