03/308233 DC : DRAFT JUNE 2003
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
EN 50399-2-2 - 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
23-07-2013
23-11-2012
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
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