Importance

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Abstract

A grounding fault circuit interrupter (GFCI), including a housing, a trip means, a pair of static contact pieces fixed on the housing, a pair of load contact pieces fixed on the housing, a pair of slide frames, a pair of movable contact pieces fixed on the slide frames respectively, which is resiliently movable, said trip means including a trip coil, a plunger provided in the trip coil, a trip spring abutted against the plunger, a balance frame, a latch, a reset pull rod, wherein said plunger is provided with an annular groove, the plunger movably connected to the latch through the annular groove, wherein the latch has an arc-shaped opening thereon and is movably provided on the balance frame, said balance frame having two wedge sides, the wedge sides in contact with the slide frames; wherein when the reset pull rod is connected with the latch, the static contact pieces are in contact with the movable contact pieces. The grounding fault circuit interrupter has a reverse wiring protection function, the receptacle inlet openings in the face portion of which will not be energized when it's reverse wired.

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First Claim