Cross section determination of fire safety cables

Position of Cablebel, the federation of Belgian cable manufacturers

The new article 104 of the General Regulation of Electrical Installations states that when determining the section of a fire resistant cable for a vital circuit, one has to take into account the higher resistance of conductors and thus the higher tension drop as a result of the temperature rise during a fire.

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Related information

Cablebel asbl, the platform of Belgian cable manufacturers, follows the evolution of the national and international legislation concerning cables closely, and is available to any interested party to provide detailed information on the subject.