Receptacle type ground fault circuit interrupter with reverse wire protection

A ground fault circuit interrupter for a receptacle having a power input side and a load side, comprising:

• a reset key with a pressing direction, comprising a reset locking mechanism having a motion trail that intersects with a central longitudinal axis of an electromagnetic tripping iron core;
• a reset mechanism comprising:
• a reset bracket comprising:
• a first guide slot on a first side;
• and
• a second guide slot on a second side;
• a bracket reset mechanism comprising at least one support spring;
• and
• a bracket homing mechanism that is biased to push the reset bracket in a sliding direction in to a first position;
• a reset linkage mechanism between the reset key and the reset bracket, the reset linkage mechanism configured to link a reset homing action and the sliding of the reset bracket;
• a reset linkage clutching mechanism configured to control the reset linkage mechanism when the interrupter resets;
• an electromagnetic tripping mechanism, comprising:
• a coil rack with a central hole;
• an electromagnetic tripping coil wound around the coil rack;
• the electromagnetic tripping iron core;
• and
• an iron core reset spring;
• a conductive assembly configured from the power input side to the load side, the conductive assembly configured to selectively connect or disconnect electrical continuity between the power input side and the load side, the conductive assembly comprising:
• a pair of short-circuit conductive strips, each strip having a conductive movable contact;
• a pair of power input connection assemblies, each comprising an input conductive stationary contact configured opposite to the conductive movable contacts of the short-circuit conductive strips;
• a pair of wiring output assemblies;
• a pair of receptacle output assemblies, each receptacle output assembly having an output stationary contact;
• a first short-circuit conductor and a second short-circuit conductor between the pair of short-circuit conductive strips and the pair of wiring output assemblies;
• and
• a third short-circuit conductor and a fourth short-circuit conductor between the pair of power input connection assemblies and the pair of receptacle output assemblies;
• and
• a reverse wiring protection device comprising:
• an electromagnetic generating device having a power supply sub-circuit configured with a reed switch connected in series;
• an electromagnetic actuator bracket with a pair of conductive pads, each pad having a movable contact, configured to selectively electrically connect and disconnect to the pair of output stationary contacts;
• an actuator bracket homing mechanism;
• and
• a normally open holding switch connected in parallel with the reed switch, and linked with the electromagnetic actuator bracket,
• wherein:
• the electromagnetic tripping iron core and the iron core reset spring are positioned in the central hole of the coil rack with a clearance fit,
• the electromagnetic tripping iron core is configured to slide perpendicular to the pressing direction of the reset key,
• the reset locking mechanism fits with an end of the electromagnetic tripping iron core,
• under the influence of one or more of the reset key, bracket reset mechanism, bracket homing mechanism, and the electromagnetic tripping mechanism, the reset bracket is configured to slide between a first position and a second position to control the selectivity of the conductive assembly,
• the reset bracket is mounted to slide in a plane perpendicular to the pressing direction of the reset key,
• one of the pair of short-circuit conductive strips is held in the first guide slot of the reset bracket and the other of the pair of short-circuit conductive strips is held in the second guide slot of the reset bracket so that when the reset bracket slides from the first position to the second position the movable contacts of the pair of short circuit conductive strips move from the first position that disconnects electrical continuity between the power input side and the load side to the second position that connects electrical continuity between the power input side and the load side,
• the conductive movable contacts are configured respectively on the pair of short-circuit conductive strips facing the second position,
• the at least one support spring is positioned between the reset bracket and the side of the short-circuit conductive strip without the conductive movable contacts,
• the pair of power input connection assemblies are on one side of the reset bracket and the pair of wiring output assemblies and the pair of receptacle output assemblies are on a second side of the reset bracket,
• a portion of the pair of wiring output assemblies, through the third short-circuit conductor, at least one of the pair of conductive pads and at least one of the pair of the receptacle output assemblies, are configured to form a selective electrical connection,
• the actuator bracket homing mechanism is configured to keep the movable contacts of the pair of conductive pads in a normally-closed state with the output stationary contacts of the pair of wiring output assemblies,
• the electromagnetic generating device controls the electromagnetic actuator bracket to selectively disconnect the movable contacts of the conductive pads from the pair of output stationary contacts,
• the third short-circuit conductor and the fourth short-circuit conductor are configured in a normally open state,
• when a reverse wire condition exists, the electromagnetic generating device is configured to close the normally open third short-circuit conductor and fourth short-circuit conductor and is further configured to open the normally-closed first short-circuit conductor and second short-circuit conductor,
• at least a portion of the power supply sub-circuit of the electromagnetic generating device bridges over the wiring output assembly,
• the reed switch of the power supply sub-circuit links with the reset key, and
• the reed switch of the power supply sub-circuit closes in the tripped state and opens in the reset state and in the resetting process.