Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Patent
1998-06-26
2000-04-04
Kincaid, Kristine
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
174106SC, H01B 718
Patent
active
060464089
ABSTRACT:
System neutral to earth grounding, over the entire length of an electrical cable is achieved by adding one or more strips of semi-conductive material over the helically or otherwise wound concentric neutral conductors and completing the cable jacket with insulating material. The strip engages the soil when buried to provide a continuous ground path for the neutral conductors. In a second form protrusions of semi-conductive material project from a semi-conductive layer and encircle certain ports of the neutral conductors while the remainder are partially surrounded by the semi-conductive layer. Insulating material segments complete the cable jacket. The free ends of the protrusions engage the soil about the cable to provide a continuous ground for the neutral conductors helically wound or extending in parallel with the cable longitudinal axis.
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Hendrix Wire & Cable, Inc.
Kincaid Kristine
Mayo III William H.
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