EN 60708:2005

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Niederfrequenzkabel mit Isolierung aus Polyolefin und mit Polyolefin-SchichtenmantelCâbles pour basses fréquences à isolation polyoléfine et gaine polyoléfine à barrière d'étanchéitéLow-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath29.060.20KabliCablesICS:Ta slovenski standard je istoveten z:EN 60708:2005SIST EN 60708:2008en,de01-november-2008SIST EN 60708:2008SLOVENSKI
STANDARD
EUROPEAN STANDARD
EN 60708 NORME EUROPÉENNE EUROPÄISCHE NORM
November 2005 CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60708:2005 E
ICS 29.060.20
English version
Low-frequency cables with polyolefin insulation
and moisture barrier polyolefin sheath (IEC 60708:2005)
Câbles pour basses fréquences
à isolation polyoléfine et gaine polyoléfine à barrière d'étanchéité (CEI 60708:2005)
Niederfrequenzkabel mit Isolierung
aus Polyolefin und mit Polyolefin-Schichtenmantel (IEC 60708:2005)
This European Standard was approved by CENELEC on 2005-09-13. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Foreword The text of document 46C/713/FDIS, future edition 1 of IEC 60708, prepared by SC 46C, Wires and symmetric cables, of IEC TC 46, Cables, wires, waveguides, R.F. connectors, R.F. and microwave passive components and accessories, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60708 on 2005-09-13. The following dates were fixed: – latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement
(dop)
2006-07-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2008-10-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 60708:2005 was approved by CENELEC as a European Standard without any modification. __________ SIST EN 60708:2008

- 3 - «Field32»
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE Where an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60028 – 1) International standard of resistance for copper
- - IEC 60189-1 – 1) Low-frequency cables and wires with PVC insulation and PVC sheath Part 1: General test and measuring methods - - IEC 60304 – 1) Standard colours for insulation for low-frequency cables and wires
HD 402 S2 1984 2) IEC 60794-1-2 – 1) Optical fibre cables Part 1-2: Generic specification - Basic optical cable test procedures
EN 60794-1-2 2003 2) IEC 60811-1-1 – 1) Insulating and sheathing materials of electric and optical cables - Common test methods Part 1-1: General application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties
EN 60811-1-1 1995 2) IEC 60811-1-2 – 1) Part 1-2: General application - Thermal ageing methods
EN 60811-1-2 1995 2) IEC 60811-1-3 – 1) Part 1-3: General application - Methods for determining the density - Water absorption tests - Shrinkage test
EN 60811-1-3 1995 2) IEC 60811-1-4 – 1) Part 1-4: General application - Tests at low temperature
EN 60811-1-4 1995 2)
1) undated reference. 2) valid edition at date of issue. SIST EN 60708:2008

Publication Year Title EN/HD Year IEC 60811-4-1 – 1) Part 4-1: Methods specific to polyethylene and polypropylene compounds - Resistance to environmental stress cracking - Measurement of the melt flow index - Carbon black and/or mineral filler content measurement in polyethylene by direct combustion - Measurement of carbon black content by thermogravimetric analysis (TGA) - Assessment of carbon black dispersion in polyethylene using a microscope
EN 60811-4-1 2004 2) IEC 60811-4-2
– 1) Part 4-2: Methods specific to polyethylene and polypropylene compounds - Tensile strength and elongation at break after conditioning at elevated temperature - Wrapping test after conditioning at elevated temperature - Wrapping test after thermal ageing in air - Measurement of mass increase - Long-term stability test - Test method for copper-catalyzed oxidative degradation
EN 60811-4-2 2004 2) IEC 60811-5-1 (mod) – 1) Part 5-1: Methods specific to filling compounds - Drop point - Separation of oil - Lower temperature brittleness - Total acid number - Absence of corrosive components - Permittivity at 23 °C - D.C. resistivity
at 23 °C and 100 °C
EN 60811-5-1 1999 2) IEC 61156-1 – 1) Multicore and symmetrical pair/quad cables for digital communications Part 1: Generic specification
- - ITU-T L.3 – 1) Armouring of cables
- -
INTERNATIONAL STANDARD IEC60708 First edition2005-06 Low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath  IEC 2005

Copyright - all rights reserved No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnical Commission,
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Commission Electrotechnique InternationaleInternational Electrotechnical CommissionSIST EN 60708:2008

– 2 – 60708  IEC:2005(E) CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Quality assurance.7 4 Cable construction.7 4.1 Conductor.7 4.1.1 Conductor material.7 4.1.2 Type of conductor.7 4.1.3 Conductor-finish.7 4.1.4 Continuity of conductor.7 4.2 Insulation.8 4.2.1 Insulation material.8 4.2.2 Insulation thickness.8 4.2.3 Colour of insulated conductor.8 4.3 Cabling element.8 4.4 Stranding.8 4.5 Colour code.8 4.5.1 General.8 4.5.2 Sub-units, units and cables up to and including 100 pairs or 100 quads.9 4.5.3 Cables of more than 100 pairs or 100 quads.9 4.6 Spare pairs or quads.10 4.7 Filling.10 4.8 Core protection.10 4.9 Sheath.10 4.9.1 Sheath material.10 4.9.2 Application of the sheath.10 4.10 Cable protection.11 4.11 Finished cable.11 4.11.1 Overall diameter.11 4.11.2 Sheath marking.11 4.11.3 Sealing of ends.12 4.12 Delivery.12 5 Mechanical requirements.12 5.1 Conductor.12 5.2 Insulation.12 5.3 Sheath.12 5.3.1 Tensile strength and elongation.12 5.3.2 Adhesion of aluminium tape to the polyethylene.12 5.3.3 Adhesion of aluminium tape at the overlap.13 5.4 Finished cable.13 5.4.1 Sheath integrity.13 5.4.2 Resistance to water penetration.13 5.4.3 Cable drip.13 SIST EN 60708:2008

60708  IEC:2005(E) – 3 –
6 Thermal stability and environmental requirements.13 6.1 Insulation.13 6.1.1 Thermal oxidative stability (OIT-test).13 6.1.2 Shrinkage.14 6.1.3 Wrapping test of insulation after thermal aging.14 6.1.4 Bending test at low temperature.14 6.2 Sheath.14 6.2.1 Elongation at break after ageing.14 6.2.2 Resistance to weathering.14 6.2.3 Resistance to environmental stress cracking.14 7 Electrical requirements.14 7.1 General.14 7.2 Electrical resistance of conductor.14 7.3 Electrical resistance unbalance.15 7.4 Dielectric strength.15 7.5 Insulation resistance.15 7.6 Mutual capacitance.15 7.7 Capacitance unbalance.16 7.8 Transmission characteristics (when used for digital communication).17 7.8.1 Attenuation.17 7.8.2 Near End Crosstalk (NEXT).17 7.8.3 Equal Level Far-end Crosstalk (ELFEXT).17 7.8.4 Power sum (PS) of crosstalk loss.17 7.8.5 Characteristic impedance.17 7.8.6 Velocity of pro
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