SN EN 50268-2 : 1999
Current
The latest, up-to-date edition.
COMMON TEST METHODS FOR CABLES UNDER FIRE CONDITIONS - MEASUREMENT OF SMOKE DENSITY OF CABLES BURNING UNDER DEFINED CONDITIONS - PART 2: PROCEDURE
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Test apparatus
5 Test assembly
5.1 Cable test pieces
5.2 Cable selection and assembly
5.3 Positioning of test pieces
6 Test procedure
7 Evaluation of test results
8 Retest procedure
Annex A (informative) Guidance on calculation of absorbance
Annex B (informative) Recommended performance requirements
Defines a test procedure for measurement of smoke density of cables burning under defined conditions. Suited to electric insulated conductor, or cable, or optical cables. Part one deals with apparatus, and part 2 with procedure.
| DocumentType |
Standard
|
| PublisherName |
Swiss Standards
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 50268-2:2000 | Identical |
| I.S. EN 50268-2:2000 | Identical |
| UNE-EN 50268-2:2000 | Identical |
| EN 50268-2:1999 | Identical |
| DIN EN 50268-2 : 2000 | Identical |
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