Tool for manually tripping a fault indicator for high voltage el

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage

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Details

324133, 34053A, G01R 3102, G01R 1916, G08B 2100

Patent

active

040457265

ABSTRACT:
This invention relates, generally, to fault indicators and it has particular relation to tools for testing fault indicators of the kind and character disclosed in my U.S. Pat. No. 3,906,477, issued Sept. 16, 1975.

REFERENCES:
patent: 3418572 (1968-12-01), Humphreys
patent: 3866197 (1975-02-01), Schweitzer
patent: 3876911 (1975-04-01), Schweitzer
patent: 3906477 (1975-09-01), Schweitzer
patent: 3974446 (1976-08-01), Schweitzer
patent: 3991366 (1976-11-01), Schweitzer

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