BS 7769-3.1:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Electric cables. Calculation of the current rating. Sections on operating conditions Reference operating conditions and selection of cable type
Hardcopy , PDF
31-07-2017
English
02-10-2002
Committees responsible
National foreword
Introduction
1 Scope
2 Normative reference
3 Reference ambient temperatures and thermal
resistivities of soil in various countries
3.1 Standard operating conditions
3.2 Procedure when values are not provided in national
tables
4 Values relating to the operating conditions in
various countries
5 Information required from the purchaser for the
selection of the appropriate type of cable
5.1 Background
5.2 Operating conditions
5.3 Installation data
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