G - Physics – 01 – R
Patent
G - Physics
01
R
324/58
G01R 1/20 (2006.01) G01R 19/165 (2006.01) G01R 31/02 (2006.01) G08B 21/00 (2006.01)
Patent
CA 1264810
CABLE MOUNTED CAPACITIVELY-COUPLED CIRCUIT CONDITION INDICATING DEVICE Abstract of the Disclosure 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.
524822
Osler Hoskin & Harcourt Llp
Schweitzer Edmund O. Jr.
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