Cable mounted capacitively-coupled circuit condition indicating device
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United States of America Patent
Stats
-
Dec 27, 1988
Grant Date -
N/A
app pub date -
Mar 28, 1986
filing date -
Mar 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for indicating a circuit condition such as the occurrence of a fault current in a high voltage conductor from which the indicator device is suspended includes a housing having at the upper end thereof a pair of outwardly projecting cable engagement members. The engagement members are formed of a resilient insulating material and each include an outwardly projecting base portion and an inwardly projecting end portion which engages and holds the cable against the rear wall of the housing. Operating power for the indicator device is derived from the potential gradient of the electric field surrounding the conductor by means of a metallic plate positioned within the housing adjacent the conductor, and a metallic ring and electrically conductive coating within the lower end of the housing.
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