PREN 50525-1 : DRAFT 2008

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Rated voltage
5 Requirements for the construction of cables
   5.1 General
   5.2 Conductors
   5.3 Insulation
   5.4 Core identification
   5.5 Other components
   5.6 Sheath
6 Marking
   6.1 Indication of origin
   6.2 Continuity of marking
   6.3 Use of the name CENELEC
   6.4 Code designation
   6.5 Additional voluntary marking
   6.6 Additional requirements
7 Tests on completed cables
   7.1 General
   7.2 Electrical requirements
   7.3 Overall dimensions
   7.4 Mechanical strength of flexible cables
   7.5 Assessment of halogens
8 Guide to use of the cables
Annex A (normative) - Mechanical tests - Requirements for
        flexible cables
   A.1 Two-pulley flexing test
   A.2 Wear resistance test
   A.3 Three pulley test
   A.4 Kink test
   A.5 Test for separation of cores
Annex B (normative) - Requirements for halogens
   B.1 Requirements for extruded material
   B.2 Requirements for non-extruded materials
Annex C (normative) - Determination of halogens - Elemental test
   C.1 Equipment
   C.2 Materials
   C.3 Procedure
Annex D (informative) - Maximum permitted voltages
Annex E (normative) - Requirements for core identification
        of multicore cables with more than five cores
   E.1 Core identification
   E.2 Marking by inscription
   E.3 Colour coding (pilot and marker system)
Annex F (informative) - Structure and content of EN 50525 and its
        derivation from HD 21 & HD 22
Bibliography

Provides the general requirements for rigid and flexible energy cables of rated voltages U[o]/U up to and including 450/750 V, used in power installations and with domestic and industrial appliances and equipment.