A plug-in connection for the transmission of electric current having a male connector and a female connector, wherein the male connector includes a plug-in extension having electrical contacts, and the female connector includes a plug-in extension receptacle having electrical mating contacts, and at least one projection is arranged on one jacket wall, and the other of these jacket walls incorporates at least one receptacle slot which matches the projection. The plug-in extension, with the projection and the receptacle slot in an undamaged state, can only be inserted into the plug-in extension receptacle from an unambiguously defined plug-in position. The male connector, in the plug-in extension interior, additionally incorporates at least one moulding, and the female connector, in the plug-in extension receptacle interior, additionally incorporates at least one mating moulding, and the moulding and the mating moulding, in combination, constitute a stop mechanism for the prevention of any electrical contacting of the electrical contacts with the electrical mating contacts.

An electrical outlet receptacle including a circuit board defining a first plane and a solenoid having a central axis perpendicular to the first plane. The electrical outlet receptacle further including a reset plunger with a portion extending through the first end of the solenoid and axially movable therein, and an armature movable axially along the portion of the reset plunger extending through the solenoid. Wherein the armature includes a slanted projection configured to contact a cam surface of a slide mechanism and provide the downward force on the cam surface.

An electrical outlet receptacle including a circuit board defining a first plane and a solenoid having a central axis perpendicular to the first plane. The electrical outlet receptacle further including a reset plunger with a portion extending through the first end of the solenoid and axially movable therein, and an armature movable axially along the portion of the reset plunger extending through the solenoid. Wherein the armature includes a slanted projection configured to contact a cam surface of a slide mechanism and provide the downward force on the cam surface.

A wiring duct plug that does not have a movable part for switching and thus has a higher operational reliability is provided.

A plug (wiring duct plug) 2 for use mounted in a wiring duct, in which a plurality of conductive lines are installed, comprises a rotatable rotator 17, a pair of non-movable electrode terminals 2a-c and 2d, and a plurality of movable electrode terminals 2a to 2d. The plurality of movable electrode terminals 2a to 2d rotate with the rotator 17 and are placed either at a connection position for electrically coupling the plurality of conductive lines and the pair of non-movable electrode terminals 2a-c and 2d, or at a release position for releasing electrical connection. At the connection position, among the plurality of movable electrode terminals 2a to 2d, the plurality of movable electrode terminals 2a to 2c whose number of terminals is one or more less than the number of the conductive lines respectively connect to conductive lines whose number of lines is one or more less than the conductive lines, and are joined into one at the base end portion and coupled to the one non-movable electrode terminals 2a-c. The remaining movable electrode terminal 2d couples the remaining conductive line to the other non-movable electrode terminal 2d.

A power supply circuit breaker device (1) is configured to include: a fixed-side connector device (2) provided partway along a power supply circuit (D); a movable-side connector device (3) which engages/disengages with the fixed-side connector device (2) to turn ON/OFF the power supply circuit (D); and a rotary connection mechanism (4) for engagement/disengagement between the connector devices and turning ON/OFF the power supply circuit. The rotary connection mechanism (4) is configured such that, in the engagement/disengagement between the connector devices and the turning ON/OFF of the power supply circuit, the movable-side connector device (3) is made linearly movable along an engagement direction (P), and the movable-side connector device (3) is made rotatably movable in a direction (Q) around a rotation axis parallel to the engagement direction (P).

A power supply circuit breaker device (1) is configured to include: a fixed-side connector device (2) provided partway along a power supply circuit (D); a movable-side connector device (3) which engages/disengages with the fixed-side connector device (2) to turn ON/OFF the power supply circuit (D); and a rotary connection mechanism (4) for engagement/disengagement between the connector devices and turning ON/OFF the power supply circuit. The rotary connection mechanism (4) is configured such that, in the engagement/disengagement between the connector devices and the turning ON/OFF of the power supply circuit, the movable-side connector device (3) is made linearly movable along an engagement direction (P), and the movable-side connector device (3) is made rotatably movable in a direction (Q) around a rotation axis parallel to the engagement direction (P).

An artificial lighted tree is presented with power routed through the trunk and three-wire safety grounding. The tree comprising a fused plug having improved safety features comprising: a body portion surrounding respective first ends of a first, a second and a third electrical wire, the body portion further comprising a fuse holder embedded within an upper region of the body portion, and a fuse adapted to be releasably secured within the fuse holder via releasable securing means, a live blade in communication with the first end of the first electrical wire, a neutral blade in communication with the first end of the second electrical wire, a ground pin receptacle in communication with the first end of the third electrical wire, wherein the body portion surrounds and maintains the live blade, neutral blade, and ground pin receptacle in spaced apart orientation corresponding to polarized sockets on an electrical wall outlet.

An arc prevention system including a jack having a receptacle, a modular plug sized to be positioned in the receptacle of the jack, the modular connector including, a plurality of contacts, with at least two of the contacts creating an energized electrical path with an external power source in electrical communication with the external power source, a latch extending from a top surface of the modular plug, a switching unit positioned on the latch, a control circuit in electrical communication with the switch and the at least two energized contacts, where the electrical path between the control circuit and the switching unit is not energized, and the control circuit adjusts the energized electrical path to a predetermined electrical level.

An arc prevention system including a jack having a receptacle, a modular plug sized to be positioned in the receptacle of the jack, the modular connector including, a plurality of contacts, with at least two of the contacts creating an energized electrical path with an external power source in electrical communication with the external power source, a latch extending from a top surface of the modular plug, a switching unit positioned on the latch, a control circuit in electrical communication with the switch and the at least two energized contacts, where the electrical path between the control circuit and the switching unit is not energized, and the control circuit adjusts the energized electrical path to a predetermined electrical level.

A plug-in connection for the transmission of electric current having a male connector and a female connector, wherein the male connector includes a plug-in extension having electrical contacts, and the female connector includes a plug-in extension receptacle having electrical mating contacts, and at least one projection is arranged on one jacket wall, and the other of these jacket walls incorporates at least one receptacle slot which matches the projection. The plug-in extension, with the projection and the receptacle slot in an undamaged state, can only be inserted into the plug-in extension receptacle from an unambiguously defined plug-in position. The male connector, in the plug-in extension interior, additionally incorporates at least one moulding, and the female connector, in the plug-in extension receptacle interior, additionally incorporates at least one mating moulding, and the moulding and the mating moulding, in combination, constitute a stop mechanism for the prevention of any electrical contacting of the electrical contacts with the electrical mating contacts.