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Reference IEC 60332-3-21 ed1.0 withdrawn corrigendum

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Title Versión Oficial en Español - Métodos de ensayo para cables eléctricos sometidos al fuego. Parte 3-21: Ensayo de propagación vertical de la llama de cables en capas en posición vertical. Categoría A F/R.
Publication date 2000-10-09
Format, price
(Swiss francs)
and language
50.- 13 pages
50.- 65 Kb
 
Abstract Specifies method of test for the assessment of vertical flame spread of vertically-mounted bunched wires or cables, electrical or optical, under defined conditions. The test is intended for type approval testing. The requirements for the selection of cables for testing are given. The flame spread is measured as the extent of damage of the cable sample. This procedure may be used to demonstrate the cable's ability to limit flame spread. Covers category A F/R and relates only to power cables of conductor cross-sectional area greater than 35 mm2 installed on the test ladder in a spaced configuration on the front and rear to achieve a nominal total volume of non-metallic material of 7 l/m of test sample. The flame application time is 40 min. This method of mounting is intended for special cable designs used in particular installations when required in the cable specification. Category A F/R is not intended for general use. A recommended performance requirement is also given. Has the status of a group safety publication in accordance with IEC Guide 104.
Technical Committee 20 - Electric cables  RSS
ICS Codes
13.220.40 Ignitability and burning behaviour of materials and products

29.020 Electrical engineering in general
*Including voltages, general electrical terminology, electrical documentation, electrical tables, safety, fire hazard testing, etc.
*Electrical diagrams and charts, see 01.100.25
*Electrical power stations, see 27.100
*Electromagnetic compatibility, see 33.100

29.060.20 Cables
 
Replaced by
Stability date 2015
 
Work in progress
ProjectStage codeForecast publication date
No project under development--


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