Wiring device with self-grounding element

Details Wiring device with self-grounding element Wiring device with self-grounding element

1972-06-27

1976-06-15

Frazier, Roy D.

Geometrical instruments

H01R 306

Patent

active

039632920

ABSTRACT:
A wiring device, such as a receptacle, for mounting in a metal wall box is provided with a grounding element secured to the metal mounting yoke for the device, preferably by the same fastener that secures an internal contact element to the yoke. The contact portion of the grounding element extends partly across the fastener aperture in the yoke, or a perpendicular projection of the aperture, for electrically contacting the fastener that secures the yoke within the wall box and to complete an electrical path from the yoke to the wall box. Alternatively, the grounding element makes direct contact to a surface of the wall box rather than to the fastener.

REFERENCES:
patent: 3206705 (1965-09-01), Smith
patent: 3617611 (1971-11-01), Kuether
patent: 3671916 (1972-06-01), Opalenik
patent: 3680031 (1972-07-01), Schumacher
patent: 3723942 (1973-03-01), Dennison

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