2. Fire reaction of cables

2.1 Old French system

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2.1.1 Context

Standard NF C32-070 sets out the principles for classifying cables according to their fire behavior, including C1 and C2 classifications. Category C1 cables must demonstrate superior resistance to flame propagation, and must not release volatile flammable products in quantities sufficient to create a secondary ignition source. They must pass specific tests, including a vertical flame test on insulated cable (test no. 1) and an additional test (test no. 2) using a cylindrical furnace...

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Fire reaction of cables

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Fire resistance of cables

Bibliography

(1) - NUREG/CR-6384 - Literature Review of Environmental Qualification of Safety-Related Electric Cables - (NUREG/CR-6384) https://www.nrc.gov/reading-rm/doc-collections/nuregs/contract/cr6384/index.html

Standards and norms

Insulated conductors and cables for installations – Tests to classify conductors and cables with regard to their fire behavior. - NF C32-070 - 2001
Tests on electric and optical fibre cables under fire conditions – Part 1-1: test for vertical flame propagation for a single insulated wire or cable – Apparatus. - IEC/EN 60332-1-1 - 2015
Tests on electric and optical fibre cables under fire conditions – Part...

Regulations

Order of July 21, 1994 modified, concerning classification and conformity attestation of the fire behavior of electrical conductors and cables, and approval of testing laboratories.

Order of October 15, 2014 amending the order of July 21, 1994 classifying and certifying the fire behavior of electrical conductors and cables, and approving testing laboratories, and setting the transitional terms for...