Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – With electric power receptacle for line wire testing
Patent
1997-04-03
1998-07-14
Do, Diep N.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
With electric power receptacle for line wire testing
324133, 324510, 324556, G01R 3100, G01R 1914
Patent
active
057810150
ABSTRACT:
An extension cord with integral monitoring system including a male connector having a pair of strip contacts. Such contacts include a neutral strip contact and a line strip contact. Further included is a female connector having a pair of receiving contacts residing within a pair of apertures formed therein. The contacts include a neutral receiving contact and a line receiving contact. Further included is a cable coupled between the male connector and the female connector. The cable has a neutral wire electrically connected between the neutral strip contact of the male connector and the neutral receiving contact of the female connector and a line wire electrically connected between the line strip contact of the male connector and the line receiving contact of the female connector. Next provided is a voltage monitor for indicating the presence of a voltage at the contacts of the female connector thereby signaling that the male connector is in proper electrical communication with the electrical receptacle. Lastly, a current flow monitor is included for indicating the flow of current through the contacts of the female connector thereby signaling that the female connector is in proper electrical communication with the appliance.
REFERENCES:
patent: 3588861 (1971-06-01), Meyer
patent: 3836844 (1974-09-01), Prugh
patent: 3863150 (1975-01-01), Cebuliak et al.
patent: 4394615 (1983-07-01), Rocci, Jr.
patent: 5043670 (1991-08-01), Iseld et al.
Dennis Wade P.
Duffin Stewart R.
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