Electricity: electrical systems and devices – Safety and protection of systems and devices – Ground fault protection
Reexamination Certificate
2005-03-15
2005-03-15
Leja, Ronald (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Ground fault protection
Reexamination Certificate
active
06867954
ABSTRACT:
The present invention relates to a reverse wiring protection device for ground fault circuit interrupter that includes a tripper and control circuit. The tripper comprises: a pull rod with flat, a L-shaped latch, a balance frame coupled with the latch moving up and down with the pull rod, a trip coil, a plunger and a contact switch (K) which is capable of energizing and de-energizing the trip coil. The reset can't be depressed when an installer or user miswires the line and the load. GFCI can only be operating normally when it is installed properly
REFERENCES:
patent: 6671145 (2003-12-01), Germain et al.
Wang Fu
Wang Yinxian
Wu Zhixin
Leja Ronald
Morris Manning & Martin LLP
Tingkang Xia, Esq. Tim
Zhejiang Dongzheng Electrical Co., Ltd.
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