TESTS ON ELECTRIC AND OPTICAL FIBRE CABLES UNDER FIRE CONDITIONS - PART 3-22: TEST FOR VERTICAL FLAME SPREAD OF VERTICALLY-MOUNTED BUNCHED WIRES OR CABLES - CATEGORY A
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 Definitions
4 Test apparatus
4.1 General
4.2 Ignition source
5 Test procedure
5.1 Test sample
5.2 Determination of the number of test pieces
5.3 Mounting of the test sample
5.4 Flame application time
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
Describes methods of test for the assessment of vertical flame spread of vertically mounted bunched wires or cables, electrical or optical, under defined conditions.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 20 |
| Supersedes |
|
