Ground fault circuit interruptor test apparatus

Details Ground fault circuit interruptor test apparatus Ground fault circuit interruptor test apparatus

1977-02-10

1979-01-16

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

G01R 3102

Patent

active

041351290

ABSTRACT:
An electrical testing device adapted to open a circuit upon reaching a predetermined leakage current, including means for generating a leakage current, switching means for applying the leakage current to an electrical circuit and time control means operative to limit the leakage current to the circuit so as to alter the time current characteristic of the leakage current.

REFERENCES:
patent: 3281677 (1966-10-01), Baggott
patent: 3376502 (1968-04-01), Rink
patent: 3491290 (1970-01-01), Peschel
patent: 3548302 (1970-12-01), Arnold et al.
patent: 3745453 (1973-07-01), Wright
patent: 3784903 (1974-01-01), Thomas
patent: 3878458 (1975-04-01), Muska
patent: 3898557 (1975-08-01), Strock
patent: 3970924 (1976-07-01), Pendelton et al.

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