PREN 50399-2-2 : DRAFT 2003
Current
The latest, up-to-date edition.
COMMON TEST METHODS FOR CABLES UNDER FIRE CONDITIONS - HEAT RELEASE AND SMOKE PRODUCTION MEASUREMENT ON CABLES DURING FLAME SPREAD TEST - PART 2-2: PROCEDURE FOR CLASSIFICATION IN EUROCLASS B
01-12-2013
Introduction
1 Scope
2 Normative references
3 Definitions
4 Test apparatus
4.1 General
4.2 Backing board
4.3 Heat release and smoke production measurements
4.4 Sample conditioning
4.5 Initial test conditions
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 Exhaust volume flow
5.5 Flame application time
5.6 Testing operations
5.7 Measurements in the cable rig
6 Determination of parameters derived from the test
6.1 Calculation of RHR and SPR parameters
6.2 Determination of extent of flame spread
7 Test report
Annex A (normative) Guidance on cable selection for type
approval testing
Annex B (informative) Calculation of RHR[av], SPR[av] and FIGRA
Annex C (informative) Guidance on the choice of test equipment
Specifies the apparatus and methods of test for the assessment of vertical flame spread, heat release and smoke production of vertically-mounted bunched wires or cables, electrical or optical, under defined conditions.
| Committee |
TC 20
|
| DocumentType |
Draft
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Current
|
| Standards | Relationship |
| 03/308233 DC : DRAFT JUNE 2003 | Identical |
| NEN EN 50399-2-2 : DRAFT 2003 | Identical |
| 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 |
| ISO 13943:2017 | Fire safety — Vocabulary |
| EN 50266-1:2001 | Common test methods for cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables - Part 1: Apparatus |
| EN ISO 13943:2017 | Fire safety - Vocabulary (ISO 13943:2017) |
| 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 |
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