Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Reexamination Certificate
2007-12-25
2007-12-25
Le, Thanh-Tam (Department: 2839)
Electrical connectors
With insulation other than conductor sheath
Plural-contact coupling part
C439S692000
Reexamination Certificate
active
10970219
ABSTRACT:
An electrical receptacle defines a receptacle formation of a mating formation pair to prevent a standard plug from establishing electrical connection while permitting an otherwise standard plug defining a corresponding plug formation to be sufficiently inserted to establish an electrical connection. The mating formation pair may include a projection on the receptacle adapted for receipt by a corresponding recess on a compatible plug. Alternatively, the mating formation pair is defined by an opening of the receptacle and a conductor of the plug, each having a cross-sectional height that is reduced from that of a standard receptacle and plug. The mating formation pair is particularly desirable for installation including a receptacle controlled by a dimmer to prevent electrical connection by a standard plug connected to a non-dimmable electrical load.
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“NEMA Plug Configurations”; Grainger® Catalogue, WW Grainger, Inc., 1 page, undated.
Adams Jason O.
Moseley Robin C.
Newman, Jr. Robert C.
Spira Joel S.
Stocker Robert Paul
Le Thanh-Tam
Lutron Electronics Co. Inc.
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