SN EN 50268-1 : 1999
Current
The latest, up-to-date edition.
COMMON TEST METHODS FOR CABLE UNDER FIRE CONDITIONS - MEASUREMENT OF SMOKE DENSITY OF CABLES BURNING UNDER DEFINED CONDITIONS - PART 1: APPARATUS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Details of test enclosure
5 Photometric system
6 Standard fire source
7 Smoke mixing
8 Blank test
8.1 Purpose
8.2 Procedure
9 Qualification of test apparatus
10 Qualification burning test
10.1 Purpose
10.2 Preparation of cube
10.3 Qualification smoke sources
10.4 Test procedure
10.5 Calculation
10.6 Requirements
Annex A (informative) Guidance notes
Annex B (informative) Bibliography
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 1 deals with apparatus, and part 2 deals with procedure.
| DocumentType |
Standard
|
| PublisherName |
Swiss Standards
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 50268-1:2000 | Identical |
| EN 50268-1:1999 | Identical |
| I.S. EN 50268-1:1999 | Identical |
| UNE-EN 50268-1:2000 | Identical |
| DIN EN 50268-1 : 2000 | Identical |
| NF EN 50268-1 : 2000 | Identical |
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