Fire resistant cable for use in local area network

Details Fire resistant cable for use in local area network Fire resistant cable for use in local area network

H - Electricity

01

B

H01B 7/28 (2006.01) H01B 7/295 (2006.01)

Patent

CA 2158498

A fire retardant cable for use primarily as a riser cable in buildings has a plurality of groups of twisted pairs of conductors arranged in a "honeycomb" structure. Each conductor comprises a metallic conducting member encased in a single layer of a non-flame retardant polyolefin material such as high density polyethylene. The groups of conductors are surrounded by a jacket of flame retardant poly(vinyl chloride) material.

Un câble ininflammable, devant servir principalement comme câble pour canalisation montante dans un bâtiment, comporte plusieurs groupes de paires de conducteurs torsadés, disposés en « nids d'abeilles ». Chaque conducteur comprend un élément métallique conducteur, encastré dans une seule couche de matériau polyoléfinique non ignifuge, comme un polyéthylène haute densité. Les groupes de conducteurs sont entourés par une gaine de matériau ininflammable à base de poly(chlorure de vinyle).

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