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BS 7540:1994

BS 7540:1994

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Guide to use of cables with a rated voltage not exceeding 450/750 V

Available format(s)

Hardcopy , PDF

Superseded date

22-07-2005

Language(s)

English

Published date

31-01-1992

Publisher

British Standards Institution

Committees responsible
Foreword
Guide
Introduction
1 Scope
2 Informative references
3 Definitions
4 Safety
5 Limiting conditions
6 Initial and periodic verifications
7 Packaging, storage and handling/transportation
Annexes
A (informative) Classes of external influence
     (environmental conditions)
B (informative) Current ratings and volt drop for arc
     welding cables
Tables
1 Intended usage of cables for fixed wiring
2 Intended usage of flexible cables and cords
3 Limiting conditions for cables for fixed installations
     and internal wiring
4 Limiting conditions for flexible cables
5 Spacing of supports for non-armoured cables in
     accessible positions
6 Minimum recommended bending radii at cable
     temperatures of 20 deg C +/- 10 deg C
A.1 Classes of external influence (environmental
     conditions)
B.1 Current rating for single cycle operation over a
     maximum period of 5 min
B.2 Current rating for repeat cycle operation based on a
     5 min repeat period
B.3 Current rating for repeat cycle operation based on a
     10 min repeat period
B.4 Voltage drop at normal and elevated temperatures
List of references

Gives guidance to equipment manufacturers, installers and end-users on the properties of low voltage electric cables, and the limitations considered necessary in order to safeguard life, buildings and goods.

Committee
GEL/20/17
DevelopmentNote
Supersedes BS 7540(1992) (12/2004)
DocumentType
Standard
Pages
30
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
HD 516 S2:1997/A2:2008 Similar to

BS 6726:1991 Specification for festoon and temporary lighting cables and cords
BS 4727-2:GRP08(1994) : 1994 GLOSSARY OF ELECTROTECHNICAL, POWER, TELECOMMUNICATION, ELECTRONICS, LIGHTING AND COLOUR TERMS - TERMS PARTICULAR TO POWER ENGINEERING - ELECTRIC CABLES
BS 7671:1992 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS
BS 7211:1994 Specification for thermosetting insulated cables (non-armoured) for electric power and lighting with low emission of smoke and corrosive gases when affected by fire
BS 6004:1991 Specification for PVC-insulated cables (non-armoured) for electric power and lighting
BS 638-4:1979 Arc welding power sources, equipment and accessories Specification for welding cables

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Hardcopy - English
PDF - English
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