Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Patent
1996-09-05
1998-11-24
Ledynh, Bot L.
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
174121A, H01B 1102
Patent
active
058410732
ABSTRACT:
A plenum cable is provided which passes the category 5 requirements, including the UL 910 burn/smoke test, the cable containing at least four twisted pairs of insulated conductors, the insulation of one of the pairs of insulated conductors being foamed polyolefin which is free of flame retardant additive and the insulation of the other three twisted pairs of insulated conductors being fluoropolymer, the cable having a skew between twisted pairs of no greater than 30 nanoseconds.
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patent: 5162609 (1992-11-01), Adriaenssens et al.
patent: 5270486 (1993-12-01), Chan et al.
patent: 5493071 (1996-02-01), Newmoyer
patent: 5514837 (1996-05-01), Kenny et al.
patent: 5576515 (1996-11-01), Bleich et al.
patent: 5597981 (1997-01-01), Hinoshita et al.
Pruce George Martin
Randa Stuart Karl
E. I. Du Pont de Nemours and Company
Ledynh Bot L.
Nguyen Chau N.
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