BS 7629-1:1997:2005 Edition
$142.49
Specification for 300/500 V fire resistant electric cables having low emission of smoke and corrosive gases when affected by fire – Multicore cables
| Published By | Publication Date | Number of Pages |
| BSI | 2005 | 24 |
Specifies requirements for construction and performance and describes methods of test for cables with thermosetting insulation of rated voltage 300/500 V.
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 Terms and definitions rated voltage U rated voltage U maximum voltage U nominal value approximate value fire resistance |
| 7 | 4 Voltage designation 5 Conductors and drain wire 5.1 General 5.2 Conductors 5.3 Drain wire 6 Insulation 6.1 Type 6.2 Application 6.3 Thickness of insulation 6.4 Spark testing of insulation 6.5 Corrosive and acid gas emission from insulation and tapes during combustion |
| 8 | 7 Identification 7.1 General 7.2 Clarity and durability 8 Laying-up 8.1 General 8.2 Corrosive and acid gas emission from tapes during combustion 9 Screen |
| 9 | 10 Sheath 10.1 Type 10.2 Application 10.3 Thickness of sheath 10.4 Spark testing of sheath 10.5 Corrosive and acid gas emission from sheath during combustion 11 Cable marking 12 Schedule of tests |
| 10 | 13 Test conditions 13.1 Ambient temperature 13.2 Frequency and waveform of power frequency test voltages 14 Routine tests 14.1 General 14.2 Test to check on the absence of faults on insulation |
| 11 | Schedule of tests |
| 12 | 15 Sample tests 15.1 General 15.2 Thickness measurement 15.3 Conductor resistance 15.4 Voltage test on completed cable 15.5 Flame propagation on single cable |
| 13 | 15.6 Resistance to fire 15.7 Smoke emission 16 Type tests 16.1 General 16.2 Bending 16.3 Impact 16.4 Resistance to fire with water |
| 14 | Dimensions of cables |
| 15 | 16.5 Resistance to fire with mechanical shock Lay up diagram of 7-core, 12-core and 19-core cables |
| 16 | (informative) Recommendations for selection, operation and installation of cables (informative) Recommendations for selection, operation and installation of cables General Temperature limitations Voltage ratings Current ratings Minimum installation radius Minimum temperature during installation Installation practice |
| 17 | (normative) Test for bending characteristics (normative) Test for bending characteristics Preparation Test method Apparatus Procedure (normative) Test for resistance to impact at ambient temperature (normative) Test for resistance to impact at ambient temperature |
| 18 | Apparatus for test for resistance to impact |
| 19 | (informative) Guidance for the selection of samples for the manufacturer’s demonstration of conformity (informative) Guidance for the selection of samples for the manufacturer’s demonstration of conformity Selection of samples Conformity testing (normative) Additional provisions relating to cables of a diameter exceeding 20 mm (normative) Additional provisions relating to cables of a diameter exceeding 20 mm Test for resistance to fire with water Test for resistance to fire with mechanical shock |
| 20 | Method of mounting a sample for test (larger cables) |
| 21 | Alternative method of mounting a sample for test (larger cables) |
| 23 | BS 7629-1:1997 |
