NBN EN 60228 : 2006

FOREWORD
INTRODUCTION
1 Scope
2 Terms and definitions
3 Classification
4 Materials
  4.1 Introduction
  4.2 Solid aluminium conductors
  4.3 Circular and shaped stranded aluminium conductors
5 Solid conductors and stranded conductors
  5.1 Solid conductors (class 1)
      5.1.1 Construction
      5.1.2 Resistance
  5.2 Stranded circular non-compacted conductors (class 2)
      5.2.1 Construction
      5.2.2 Resistance
  5.3 Stranded compacted circular conductors and stranded
      shaped conductors (class 2)
      5.3.1 Construction
      5.3.2 Resistance
6 Flexible conductors (classes 5 and 6)
  6.1 Construction
  6.2 Resistance
7 Check of compliance with Clauses 5 and 6
Annex A (normative) Measurement of resistance
Annex B (informative) Exact formulae for the temperature
                       correction factors
Annex C (informative) Guide to the dimensional limits of
                       circular conductors
Annex ZA (normative) Special national conditions

Defines the nominal cross-sectional areas, in the range 0.5 mm[2] to 2500 mm[2], for conductors in electric power cables and cords of a wide range of types.