Neutral conductor grounding system
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United States of America Patent
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-
Apr 4, 2000
Issued Date -
N/A
app pub date -
Jun 26, 1998
filing date -
Oct 16, 1996
priority date (Note) -
Expired
status (Latency Note)
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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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