CEI 20-21/3-3 : 2007
Current
The latest, up-to-date edition.
ELECTRIC CABLES - CALCULATION OF THE CURRENT RATING - PART 3-3: SECTIONS ON OPERATING CONDITIONS - CABLES CROSSING EXTERNAL HEAT SOURCES
Hardcopy , PDF
English
01-01-2007
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Symbols
4 Description of method
Annex A (informative) - Example calculation
Annex B (informative) - Temperature rise calculation
at any point along the route
Specifies a method for calculating the continuous current rating factor for cables of all voltages where crossings of external heat sources are involved.
| Committee |
CT 20
|
| DevelopmentNote |
Supersedes CEI 20-21. (05/2008)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IEC 60287-3-3:2007 | Identical |
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