Electrical circuit tester

Details Electrical circuit tester Electrical circuit tester

2006-04-18

2006-04-18

Hollington, Jermele (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Instruments and devices for fault testing

C324S556000, C324S508000

Reexamination Certificate

active

07030624

ABSTRACT:
An electrical circuit testing device is provided, comprising a case, a digital voltage level testing circuit with a display means, a switch to initiate measurement using the device, a non-shorting switching means for selecting pre-determined electrical wiring configurations to be tested in an outlet, a terminal block, a five-pole electrical plug mounted on the case surface and a set of adapters that can be used for various multiple-pronged electrical outlet configurations for voltages from 100–600 VAC from 50–100 Hz.

REFERENCES:
patent: 1948729 (1934-02-01), Miller
patent: 2014379 (1935-09-01), Hockner
patent: 3898557 (1975-08-01), Strock
patent: 4002861 (1977-01-01), Putt
patent: 4015201 (1977-03-01), Chaffee
patent: 4825150 (1989-04-01), Sirasud
patent: 4929887 (1990-05-01), Robitaille et al.
patent: 5543707 (1996-08-01), Yoneyama et al.
patent: 6137285 (2000-10-01), Walsten et al.

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