Plenum rated cables and shielding tape
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United States of America Patent
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Sep 21, 1999
Issued Date -
N/A
app pub date -
Jul 11, 1997
filing date -
May 20, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A plenum rated cable having a core that includes a transmission medium of a plurality of insulated conductors preferably having thereon an insulating layer of a fluorinated ethylene composition. A shield surrounds the insulated conductors and extends longitudinally within and parallel to the length of the cable and includes a first layer of aluminum material and a second layer of low temperature smoke resistant cellulose acetate or polypropylene. The first and second layers are bonded together. A drain wire drains leakage within the cable generated from the current and allows for easy termination of the shield to a connector. A thermoplastic jacket encloses the drain wire and longitudinally surrounds the shield. The jacket is made preferably of a polyvinyl chloride composition.
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