BS 7540:1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Guide to use of cables with a rated voltage not exceeding 450/750 V
Hardcopy , PDF
22-07-2005
English
31-01-1992
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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Superseded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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