Protective device with miswire protection

Details Protective device with miswire protection Protective device with miswire protection

2007-11-13

2007-11-13

Sherry, Michael (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

Reexamination Certificate

active

11063067

ABSTRACT:
The present invention is directed electrical wiring protection device that includes a housing assembly having line terminals, load terminals, and receptacle terminals. A fault detection circuit is configured to generate a fault detection signal in response to detecting fault conditions. First interrupting contacts are configured to electrically couple the line terminals and the load terminals in a reset condition and decouple the line terminals from the load terminals in response to the fault detection signal in a tripped state. A wiring state detection circuit is coupled to at least one of the line terminals. The wiring state detection circuit is configured to generate a first wiring signal when the line terminals are connected to a source of AC power. Second interrupting contacts are configured to electrically couple the at least one receptacle load terminal to the at least one load terminal in response to the first wiring signal.

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patent: 2003/0048620 (2003-03-01), Nishimura et al.

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