Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1975-08-08
1977-07-05
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
339110P, 339196R, G01R 3102, H01R 1362, H01R 3306
Patent
active
040342840
ABSTRACT:
A hand-held electrical tester for checking the wiring of a wall receptacle. The blades of an electrical terminal protrude from one end of a housing which contains indicator lamps and electrical connecting means between the lamps and blades. Thus, the lighting of each lamp or combination of lamps indicates a predetermined wiring condition of a wall receptacle in which the terminal blades may be inserted. The housing is shaped to provide oppositely disposed push/pull surfaces to facilitate insertion and removal of the tester into and from a wall receptacle.
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patent: 3559200 (1971-01-01), Walters
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patent: 3904958 (1975-09-01), Gartland et al.
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Peplow Marvin J.
Wells, Jr. Peter M.
Ideal Industries Inc.
Strecker Gerard R.
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