I.S. EN 61472:2013
Current
The latest, up-to-date edition.
LIVE WORKING - MINIMUM APPROACH DISTANCES FOR A.C SYSTEMS IN THE VOLTAGE RANGE 72,5 KV TO 800 KV - A METHOD OF CALCULATION
Hardcopy , PDF
English
01-01-2013
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
National foreword
FOREWORD
1 Scope
2 Terms, definitions and symbols
3 Methodology
4 Factors influencing calculations
5 Evaluation of risks
6 Calculation of minimum approach distance DA
Annex A (informative) - Ergonomic distance
Annex B (informative) - Overvoltages
Annex C (informative) - Dielectric strength of air
Annex D (informative) - Gap factor kg
Annex E (informative) - Allowing for atmospheric conditions
Annex F (informative) - Influence of floating conductive objects
on the dielectric strength
Annex G (informative) - Live working near contaminated, damaged
or moist insulation
Bibliography
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