Plenum cable
US5841073A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1996 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Sep 5, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B7/295
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.