I.S. HD 384.5.523:2002
Superseded
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ELECTRICAL INSTALLATIONS OF BUILDINGS - PART 5: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - SECTION 523: CURRENT-CARRYING CAPACITIES IN WIRING SYSTEMS
Hardcopy , PDF
02-03-2011
English
01-01-2002
FOREWORD
523.1 General
523.2 Ambient temperature
523.3 Soil thermal resistivity
523.4 Groups containing more than one circuit
523.5 Number of loaded conductors
523.6 Conductors in parallel
523.7 Variation in installation conditions along a route
523.8 Methods of installation
Annex A Examples of one method of simplification of the
tables of section 523
Annex B Formula to express current-carrying capacities
Annex C Effect of harmonic currents on balanced three-phase
systems
Annex ZB (informative) Methods of installation and
current-carrying capacities
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
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