FOREWORD
520 Introduction
521 Types of wiring system
522 Selection and erection of wiring systems in relation to
external influences
523 Current-carrying capacities
524 Cross-sectional areas of conductors
525 Voltage drop in consumers' installations
526 Electrical connections
527 Selection and erection of wiring systems to minimize the
spread of fire
528 Proximity of wiring systems to other services
529 Selection and erection of wiring systems in relation to
maintainability, including cleaning
Annex A (normative) - Methods of installations
Annex B (informative) - Current-carrying capacities
Annex C (informative) - Example of a method of simplification
of the tables of Clause 523
Annex D (informative) - Formulae to express current-carrying
capacities
Annex E (normative) - Effect of harmonic currents on balanced
three-phase systems
Annex F (informative) - Selection of conduit systems
Annex G (informative) - Voltage drop in consumers' installations
Annex H (informative) - Examples of configurations of parallel
cables
Annex I (informative) - List of notes concerning certain countries
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
Annex ZB (normative) - Special national conditions
Annex ZC (informative) - A-deviations