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CEI 20-22/4 PDF

CEI 20-22/4 PDF

Name:
CEI 20-22/4 PDF

Published Date:
09/01/1997

Status:
[ Withdrawn ]

Description:

Prove d’incendio su cavi elettrici - Parte 4: Metodo per la misura dell’indice di ossigeno per i componenti non metallici

Publisher:
Comitato Elettrotecnico Italiano

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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Choose Document Language:
$5.1
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ITALIAN

La presente Norma è conforme all’Appendice B del Documento di Armonizzazione CENELEC HD 405.3 S1, identica all’Appendice B della Pubblicazione IEC 60332-3 (1992). Descrive una procedura per la determinazione dell’infiammabilità relativa dei componenti non metallici prelevati o utilizzati nei cavi elettrici: il metodo è basato sulla misura della minima concentrazione di ossigeno che, in una miscela ossigeno-azoto, è necessaria per mantenere la combustione con la presenza di fiamma. Questo metodo è attualmente limitato a quei materiali i cui provini sono sufficientemente rigidi da restare diritti durante la prova.
La presente Norma costituisce la ristampa senza modifiche, secondo il nuovo progetto di veste editoriale, della Norma pari numero ed edizione (Fascicolo 2664).


Edition : 97
File Size : 1 file , 190 KB
Number of Pages : 12
Published : 09/01/1997

History

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