Unshielded service wire for buried installation

Details Unshielded service wire for buried installation Unshielded service wire for buried installation

1990-06-27

1993-01-12

Nimmo, Morris H.

Electricity: conductors and insulators

With fluids or vacuum

With fluid stops

174117R, 174117F, 174131A, H01B 728, H01B 1102

Patent

active

051792516

ABSTRACT:
An unshielded buried service wire (20) includes a core (22) and a jacket (40). The core comprises two pairs (24-24) of insulated metallic conductors (26-26). Also associated with each conductor pair is a longitudinally extending waterblocking member (33) which inhibits the flow of water longitudinally of the wire. The jacket has a transverse cross sectional configuration which is generally oval. Adjacent to each of opposed small radius of curvature portions of the service wire and embedded substantially in the jacket is a longitudinally extending, rod-like strength member (50) which is caused to adhere to plastic material of the jacket.

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"Rodent Biting Pressure and Chewing Action and Their Effects on Wire and Cable Sheath", Proceedings of 25th International Wire and Cable Symposium. Nov. 16-18, 1976, pp. 117-124.

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