Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1983-04-22
1985-09-24
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
G01R 3102
Patent
active
045435235
ABSTRACT:
A test terminal for a lightning arrestor in an electric power transmission system is formed of a unitary generally cylindrical ceramic element having metallic end caps secured thereto. A bar-shaped electrical bypass conductor is removably secured to the end caps. An electrically conductive glaze is applied to the external surface of the ceramic element along a band between the end caps, and spaced apart therefrom. The electrically conductive glaze serves as a guard electrode for attachment thereto of a clamp of a test lead. The cross-sectional area of the conductor is less than approximately 5% of the mean cross-sectional area of the ceramic element.
REFERENCES:
patent: 2802176 (1957-08-01), Anderson et al.
patent: 3363172 (1968-01-01), Doble
patent: 4237415 (1980-12-01), Easley
Baxley Charles E.
Harvey Jack B.
Interpace Corporation
Krawczewicz Stanley T.
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