BS 6480:1988:2003 Edition
$198.66
Specification for impregnated paper-insulated lead or lead alloy sheathed electric cables of rated voltages up to and including 33000 V
| Published By | Publication Date | Number of Pages |
| BSI | 2003 | 66 |
Construction, dimensions and test requirements. Provision is made for armour and protective coverings.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British Standard |
| 3 | Contents |
| 7 | 1 Scope 2 Definitions rated voltage, U rated voltage, U maximum voltage, U nominal value approximate value 3 Voltage designation |
| 8 | 4 Conductors 5 Conductor screening 6 Insulation 6.1 General 6.2 Material 6.3 Method of application 6.4 Thickness of paper 6.5 Thickness of insulation |
| 9 | 7 Identification of cores 8 Insulation screening |
| 10 | 9 Laying-up 9.1 General 9.2 Belted cables 9.3 Screened cables 9.4 Screened SL cables 9.5 Direction of lay 10 Impregnation 10.1 General 10.2 Drainage test 10.3 Breaking load and elongation at break of impregnated paper |
| 11 | Maximum drainage 11 Identification of manufacturer 12 Lead or lead alloy sheath 12.1 A lead or lead alloy sheath shall be extruded over the impregnated cable. 12.2 The composition of the lead or lead alloy sheath, (see A.3), shall be in accordance with BS 801. 12.3 The lead or lead alloy sheath shall be impervious to moisture, reasonably close-fitting and free from defects. 12.4 The minimum thickness of the lead or lead alloy sheath measured in accordance with E.2 shall not fall below the appropriate value given in Table 11 to Table 38 by an amount more than (5 % plus 0.1 mm), (0.05 mm rounded upwards). 13 Bedding 13.1 Lapped bedding 13.2 Extruded bedding |
| 12 | 14 Armour 14.1 General 14.2 Steel tape armour 14.3 Single-wire armour Mass of zinc coating 14.4 Double-wire armour |
| 13 | 15 Serving and oversheath 15.1 Oversheath for unarmoured cables 15.2 Serving for armoured cables 15.3 Oversheath for armoured cables |
| 14 | 16 Compounds for lapped bedding and serving 17 Cable markings 17.1 General 17.2 Marking of oversheathed cables |
| 15 | 17.3 Identification of 600/1 000 V cables 17.4 End markings |
| 16 | 18 Sealing and drumming 19 Schedule of tests |
| 17 | Schedule of tests |
| 18 | 20 Test conditions 20.1 Ambient temperature 20.2 Frequency and waveform of power-frequency test voltages 21 Routine tests 21.1 General Routine tests 21.2 Conductor resistance 21.3 Power factor, tand Power factor, tan d, of 19 000/33 000 V cables |
| 19 | 21.4 Voltage test on complete cable 21.5 D.C. voltage test on oversheath Test voltage on completed cable at works |
| 20 | 22 Regular sample tests Regular sample tests 23 Special sample tests 23.1 General Special sample tests 23.2 Bending test |
| 21 | Papers containing tears 24 Type tests 24.1 General Type tests 24.2 Type tests for 19 000/33 000 V cables |
| 22 | 600/1 000 V ( 600/1 000 V ( |
| 23 | 600/1 000 V ( |
| 24 | 600/1 000 V ( |
| 25 | 600/1 000 V ( |
| 26 | 600/1 000 V ( |
| 27 | 600/1 000 V ( |
| 28 | 600/1 000 V ( |
| 29 | 600/1 000 V ( |
| 30 | 600/1 000 V ( |
| 31 | 1 900/3 300 V ( |
| 32 | 1 900/3 300 V ( |
| 33 | 3 300/3 300 V ( |
| 34 | 3 800/6 600 V ( |
| 35 | 3 800/6 600 V ( |
| 36 | 6 600/6 600 V ( |
| 37 | 6 350/11 000 V ( |
| 38 | 6 350/11 000 V ( |
| 39 | 6 350/11 000 V ( |
| 40 | 8 700/11 000 V ( |
| 41 | 8 700/15 000 V ( |
| 42 | 8 700/15 000 V ( |
| 43 | 12 700/22 000 V ( |
| 44 | 12 700/22 000 V ( |
| 45 | 12 700/22 000 V ( |
| 46 | 19 000/33 000 V ( |
| 47 | 19 000/33 000 V ( |
| 48 | 19 000/33 000 V ( |
| 49 | Calculated values of minimum thickness of extruded layers |
| 50 | Recommendations for the selection of paper insulated cables Recommendations for the selection of paper insulated cables Voltage rating Non-draining cables |
| 51 | Selection of cables for a.c. systems Lead or lead alloy sheath Protective coverings Lapped coverings Extruded oversheath on unarmoured cables Extruded coverings for armoured cables |
| 52 | Graphite layer on oversheath Current ratings Cables installed in and around buildings Other cables Short-circuit ratings Recommendations for the installation of paper insulated cables Recommendations for the installation of paper insulated cables Compliance with regulations Minimum temperature during installation |
| 53 | Minimum installation radius Minimum bending radius during installation Minimum bending radius for 19 000/33 000 V cables adjacent to joints or terminals Prevention of moisture ingress Tests on commissioning Tests on cable |
| 54 | Test voltages on commissioning Test on oversheath Type tests for 19 000/33 000 V cables Type tests for 19 000/33 000 V cables Preliminary procedure Loading cycle test Test installation |
| 55 | Procedure Impulse voltage test Test installation Principle Detailed test method |
| 56 | Resistance values of phase conductor, and lead or lead alloy sheath and single-wire armour of 600/1 000 V cables Resistance values of phase conductor, and lead or lead alloy sheath and single-wire armour of 600/1 000 V cables |
| 57 | D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath of 600/1 000 V single-core cables |
| 58 | D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath and single steel wire armour of 600/1 000 V cables: two-core stranded conductor cable D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath and single steel wire armour of 600/1 000 V cables: two-core solid conductor cable |
| 59 | D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath and single steel wire armour of 600/1 000 V cables: three-core stranded conductor cable D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath and single steel wire armour of 600/1 000 V cables: three-core solid conductor cable |
| 60 | D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath and single steel wire armour of 600/1 000 V cables: four-cores of equal area stranded conductor cable D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath and single steel wire armour of 600/1 000 V cables: four-cores of equal area stranded conductor cable |
| 61 | D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath and single steel wire armour of 600/1 000 V cables: four-core including a reduced neutral conductor stranded conductor cable D.C. conductor resistance at 20 °C and d.c. resistance at 20 °C of lead or lead alloy sheath and single steel wire armour of 600/1 000 V cables: five-core including a special purpose conductor stranded conductor cable |
| 62 | Methods of test Methods of test Measurement of insulation thickness Cables of voltage rating up to 12 700/22 000 V Cables of voltage rating 19 000/33 000 V Measurement of lead or lead alloy sheath thickness Measurement of thickness (excluding insulation and metallic sheath) Sampling Test procedure |
| 63 | Measurement of diameter of round wire armour Mass of zinc coating of galvanized steel wire Bending test Sampling Procedure Diameter of test cylinder Measurement of breaking load and elongation at break of impregnated paper Test for water soluble impurities in insulating paper |
| 64 | Information to be provided with enquiry or order Information to be provided with enquiry or order |
