Title: Ground fault receptacle

Abstract: An electric receptacle for ordinary household or trade size junction boxes having a complete ground fault circuit interrupter incorporated in the receptacle, including electronic components to detect a ground fault on the load side of such receptacle, and a coil and trip mechanism which is actuated when a ground fault is detected. On occurrence of a ground fault, the coil and trip mechanism opens the protected circuit. Means to test the interrupting mechanism, means to indicate the interrupter contacts are open, means to reset after testing or occurrence of a ground fault, and means to provide an audible signal if improperly wired, are included.

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Inventors: Dietz, Robert E. (Cedar Rapids, IA, US)
Ophaug, Darrell P. (Marion, IA, US)

Application Number: 734796
Filing Date: 1976-10-22
Publication_date: 1978-04-11
Assignee: Square D Company (Park Ridge, IL)
Primary Class(es): 361/45 200/51R, 335/18, 361/673
Other Classes:
US Patent Ref:

3813579	May, 1974	Doyle	317/18.
3931601	Jan, 1976	Anderson	317/18.
3936699	Feb, 1976	Adams	317/18.

Other Refs:
Primary Examiner: Tolin, Gerald P.
Assistant Examiner:
Attorney: Kettelson; Ernest S., Guttman; Richard T.