Dual jacketed cable

Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath

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174120SR, H01B 728

Patent

active

041090993

ABSTRACT:
A plastic jacketed cable; having a corrugated metallic shield which encloses a core comprising a plurality of insulated conductors, for use in underground ducts exposed to elevated temperatures includes an inner jacket which is capable of providing and maintaining adequate strength properties notwithstanding imprinting thereof by the corrugations of the shield contiguous thereto, and an outer jacket superimposed over the inner jacket and suitable for resisting degradation while being exposed to the elevated temperatures for sustained periods of time.

REFERENCES:
patent: 3485938 (1969-12-01), Kingsley
patent: 3638306 (1972-02-01), Padowicz
patent: 3790694 (1974-02-01), Portinari
patent: 3943271 (1976-03-01), Bahder et al.
patent: 3964945 (1976-06-01), Everhart et al.
patent: 4008368 (1977-02-01), Leuchs
patent: 4034153 (1977-07-01), Andres et al.

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