BS 7870-3.50:2005
$102.76
LV and MV polymeric insulated cables for use by distribution and generation utilities – Specification for distribution cables of rated voltage 0.6/1 kV. XLPE insulated, copper wire waveform or helical concentric cables with solid aluminium conductors, having low emission of smoke and corrosive gases when affected by fire. (Implementation of HD 603)
| Published By | Publication Date | Number of Pages |
| BSI | 2005 | 16 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British Standard |
| 3 | Contents |
| 5 | 1 Scope 2 Normative references |
| 6 | 3 Voltage designation 4 Core conductors 5 Insulation 6 Assembly of cores 7 Concentric conductor 7.1 Material 7.2 Application |
| 7 | 7.3 Bedding layer 8 Oversheath 9 Marking 9.1 External marking |
| 8 | 9.2 Identification of year of manufacture 9.3 Mark of an approval organization 9.4 Additional marking 9.5 End markings 10 End sealing 11 Dimensions |
| 9 | 3-core, 3-phase cables 4-core, 3-phase cables |
| 10 | 12 Tests Schedule of tests |
| 11 | 13 Routine tests 13.1 General 13.2 Conductor resistance 13.3 Voltage test on complete cable 13.4 Spark test 13.5 Cable markings 14 Sample tests 14.1 General 14.2 Core conductor 14.3 Insulation 14.4 Synthetic bedding |
| 12 | 14.5 Concentric conductor 14.6 Oversheath 14.7 Flame propagation on single cable 14.8 Smoke emission 15 Type tests 15.1 General 15.2 Corrosive and acid gas 15.3 Insulation 15.4 Shrinkage of insulation 15.5 Oversheath 15.6 Shrinkage of oversheath 15.7 Insulation resistance of oversheath |
| 13 | 15.8 Compatibility test Requirements for compatibility of insulation and oversheath 15.9 Flame propagation on multiple cables 15.10 Smoke emission 15.11 Abrasion test |
| 14 | (normative) Test for shrinkage of oversheath on cable (normative) Test for shrinkage of oversheath on cable General Selection of samples Preparation of test piece Procedure Evaluation of results |
