BS 7835:1996
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Specification for cables with extruded cross-linked polyethylene or ethylene propylene rubber insulation for rated voltages from 3800/6600 V up to 19000/33000 V having low emission of smoke and corrosive gases when affected by fire
Hardcopy , PDF
12-15-2000
English
06-15-1996
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Committees responsible
Foreword
1 Scope
2 References
3 Voltage designation
4 Conductors
5 Conductor screen
6 Insulation
7 Insulation screen
8 Laying up
9 Inner covering
10 Collective metallic screen
11 Armour
12 Oversheath
13 Marking
14 Sealing and drumming
15 Schedule of tests
16 Test conditions
17 Routine tests
18 Regular sample tests
19 Special sample tests
20 Type tests
21 Dimensions
22 Adherence of screens at short circuit temperature
(optional type test)
Annexes
A (informative) Recommendations for the selection of cables
B (informative) Information to be provided with enquiry
or order
C (informative) Recommendations for the installation of
cables
D (normative) Special sample tests
E (normative) Method of measuring resistivity of extruded
semi-conduction conductor and insulation screens
F (normative) Regular sample thickness test
G (informative) Guidance on type tests
H (normative) Partial discharge tests
J (normative) Type tests
K (normative) Impulse voltage test
L (normative) Methods of test for semi-conduction
unvulcanized rubber compound
M (normative) Abrasion test
N (normative) Test for shrinkage of sheath on cable
P (normative) Insulation resistance constant test
Q (informative) Guide to use
Tables
1 Dimensions of shaped solid aluminium conductors
2 Cross-linked polyethylene (XLPE) and ethylene propylene
rubber compound (EPR) insulation
3 Mass of zinc coating
4 Test requirements for oversheath
5 Schedule of tests
6 Routine tests
7 Voltage for partial discharge test
8 Voltage for test on complete cable
9 Regular sample tests
10 Special sample tests
11 Type tests
12 Power factor with relation to voltage
13 Power factor with relation to temperature
14 Voltage for impulse withstand test
15 The 4 h voltage test
16 Compatibility requirements
17 Single-core cables 3800/6600 V (Um = 7200 V)
18 Three-core cables 3800/6600 V (Um = 7200 V)
19 Single-core cables 6350/11 000 V (Um = 12 000 V)
20 Three-core cables 6350/11 000 V (Um = 12 000 V)
21 Single-core cables 8700/15 000 V (Um = 17 500 V)
22 Three-core cables 8700/15 000 V (Um = 17 500 V)
23 Single-core cables 12 700/22 000 V (Um = 24 000 V)
24 Three-core cables 12 700/22 000 V (Um = 24 000 V)
25 Single-core cables 19 000/33 000 V (Um = 36 000 V)
26 Three-core cables 19 000/33 000 V (Um = 36 000 V)
A.1 Selection of cables for three-phase a.c. systems
C.1 Minimum bending radius during installation
C.2 Minimum bending radius with cable adjacent to joints or
terminations
C.3 Voltage for test after installation
D.1 Special 4h voltage test
M.1 Vertical force on cable during abrasion test
Figures
E.1 Test piece and arrangement of electrodes for measurement of
resistivity of conductor screen of circular core
E.2 Test piece and arrangement of electrodes for measurement of
resistivity of insulation screen of circular core
E.3 Arrangement of test piece, electrodes and insulating strips
for measurement of resistivity of conductor and insulation
screens of shaped core
L.1 Dimensions of test piece for measurement of resistivity of
semi-conducting unvulcanized rubber compound
L.2 Test arrangement for measurement of resistivity of semi-
conducting unvulcanized rubber compound
M.1 Abrasion test
List of references
Specifies requirements for construction and describes tests for cables with thermosetting synthetic insulation which, when assessed by the tests produce lower levels of smoke and corrosive products under exposure to fire compared with cables comforming to BS 6622.
| Committee |
GEL/20/16
|
| DevelopmentNote |
DRAFT FOR COMMENT 94/208031 DC
|
| DocumentType |
Standard
|
| Pages |
48
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| BS 6622:1999 | Specification for cables with extruded cross-linked polyethylene or ethylene propylene rubber insulation for rated voltages from 3.8/6.6 kV up to 19/33 kV |
| BS 6469-1.1(1992) : 1992 | INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - METHODS OF TEST FOR GENERAL APPLICATION - MEASUREMENT OF THICKNESS & OVERALL DIMENSIONS - TESTS FOR DETERMINING THE MECHANICAL PROPERTIES |
| BS 6469-1.3(1992) : 1992 | INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - METHODS OF TEST FOR GENERAL APPLICATION - METHODS FOR DETERMINING THE DENSITY - WATER ABSORPTION TESTS - SHRINKAGE TEST |
| BS 903-A59:1990 | Physical testing of rubber Methods using plastimeters |
| BS 6469-1.2(1992) : 1992 | INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - METHODS OF TEST FOR GENERAL APPLICATION - THERMAL AGEING METHODS |
| BS 6469-99.1(1992) : 1992 | INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - PART 99: TEST METHODS USED IN THE UNITED KINGDOM BUT NOT SPECIFIED IN BS EN 60811 - SECTION 99.1: NON-ELECTRICAL TESTS |
| BS EN 60060-2:1995 | High-voltage test techniques Measuring systems |
| BS 7622-2:1993 | Measurement of smoke density of electric cables burning under defined conditions Test procedure and requirements |
| BS 6469-2.1(1992) : 1992 | INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - METHODS OF TEST SPECIFIC TO ELASTOMERIC COMPOUNDS - OZONE RESISTANCE TEST - HOT SET TEST - MINERAL OIL IMMERSION TEST |
| BS 6469-1.4(1992) : 1992 | INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - METHODS OF TEST FOR GENERAL APPLICATION - TESTS AT LOW TEMPERATURE |
| BS 6469-3.1(1992) : 1992 | INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - METHODS OF TEST SPECIFIC TO PVC COMPOUNDS - PRESSURE TEST AT HIGH TEMPERATURE - TESTS FOR RESISTANCE TO CRACKING |
| BS 7622-1:1993 | Measurement of smoke density of electric cables burning under defined conditions Test apparatus |
| BS EN 10002-1:2001 | Tensile testing of metallic materials Method of test at ambient temperature |
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