BS EN 60332-3-21:2009
Withdrawn
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Tests on electric and optical fibre cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables. Category A F/R
Hardcopy , PDF
16-08-2021
English
28-02-2010
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INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Test apparatus
5 Test procedure
6 Evaluation of test results
7 Performance requirements
8 Retest procedure
9 Test report
Annex A (normative) - Guidance on cable selection for
type approval testing
Annex B (informative) - Recommended performance requirements
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
Describes methods of test for the assessment of vertical flame spread of vertically-mounted bunched wires or cables, electrical or optical, under defined conditions.
| Committee |
GEL/20/18
|
| DevelopmentNote |
Supersedes BS EN 50266-2-1 & 09/30198609 DC. (02/2010)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
The series of International Standards covered by Parts 3-10, 3-21, 3-22, 3-23, 3-24 and 3-25 of IEC 60332 specifies methods of test for the assessment of vertical flame spread of vertically-mounted bunched wires or cables, electrical or optical, under defined conditions.
NOTE For the purpose of this standard the term \'electric wire or cable\' covers all insulated metallic conductor cables used for the conveyance of energy or signals.
The test is intended for type approval testing. The requirements for the selection of cables for testing are given in annex A. The flame spread is measured as the extent of damage of the cable sample. This procedure may be used to demonstrate the cable’s ability to limit flame spread.
This part of IEC 60332 covers category A F/R and relates only to power cables of conductor cross-sectional area greater than 35 mm² installed on the test ladder in a spaced configuration on the front and rear to achieve a nominal total volume of non-metallic material of 7 l/m of test sample. The flame application time is 40 min. This method of mounting is intended for special cable designs used in particular installations when required in the cable specification. Category A F/R is not intended for general use.
A recommended performance requirement is given in annex B.
| Standards | Relationship |
| EN 60332-3-21:2009 | Identical |
| 11/30214057 DC : 0 | BS 7870-2 - LV AND MV POLYMERIC INSULATED CABLES FOR USE BY DISTRIBUTION AND GENERATION UTILITIES - PART 2: METHODS OF TEST |
| IEC 60695-4:2012 | Fire hazard testing - Part 4: Terminology concerning fire tests for electrotechnical products |
| EN 60811-1-3:1995/A1:2001 | INSULATING AND SHEATHING MATERIALS OF ELECTRIC CABLES - COMMON TEST METHODS - PART 1-3: GENERAL APPLICATION - METHODS FOR DETERMINING THE DENSITY - WATER ABSORPTION TESTS - SHRINKAGE TEST |
| EN 60332-3-10:2009 | Tests on electric and optical fibre cables under fire conditions - Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires or cables - Apparatus |
| EN 60695-4:2012 | FIRE HAZARD TESTING - PART 4: TERMINOLOGY CONCERNING FIRE TESTS FOR ELECTROTECHNICAL PRODUCTS (IEC 60695-4:2012) |
| IEC GUIDE 104:2010 | The preparation of safety publications and the use of basic safety publications and group safety publications |
| IEC 60811-1-3:1993+AMD1:2001 CSV | Common test methods for insulating and sheathing materials of electric and optical cables - Part 1-3: General application -Methods for determining the density - Water absorption tests - Shrinkage test |
| IEC 60332-3-10:2000+AMD1:2008 CSV | Tests on electric and optical fibre cables under fire conditions - Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires or cables - Apparatus |
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