Systems, methods, and apparatus to facilitate wireless device monitoring and control are provided. A first device controller may be adapted to be disposed within a power connector, in series with conductors of the power connector. The power connector may be adapted to provide power from a power source to a device. The first device controller may include two terminals to electrically couple the first device controller with the conductors of the power connector. The first device controller may further include a power component to power the first device controller. The first device controller may be configured to monitor one or more conditions of the device, control one or more functions of the device, and wirelessly communicate with a system controller that is remote from the power connector and the device. The power connector may correspond to a power plug and/or a terminal block.

A connector module for a modular plug connector is provided having an overvoltage protection with at least one earth connection. A connector and a modular plug connector having a connector module of the above type is also provided.

A connector includes: a plurality of conductors; a magnetic core; a housing; and an insulator that locates a core assembling portion therein, the core assembling portion being composed of the respective intermediate portions of the plurality of conductors and the magnetic core, the housing chamber is at least partitioned into a first space in which the core assembling portion is housed and a second space in which the first electrical connection portion and the first counterpart conductor side are housed and are physically and electrically connected to each other, and the insulator is a solidified material of a liquid insulating potting agent filled in the vicinity of the core assembling portion in the first space in order to cover the core assembling portion.

Embodiments of the present application relate to a power supply device, including a housing, a circuit board and a connecting assembly. The housing defines an accommodation space, and includes: a housing positioning component, a first opening, and a second opening. The housing positioning component is disposed in the accommodation space. The circuit board is disposed in the accommodation space, and includes: a circuit board positioning component, a power input port, and a power output port. The power input port is disposed corresponding to the first opening. The power output port is disposed corresponding to the second opening, and electrically connected to the power output port. The connecting assembly is configured to connect the housing positioning component and the circuit board positioning component, and position the circuit board in the accommodation space of the housing.

An electrical receptacle contains contacts, at least one contact for electrical connection to a hot power line and at least one contact for a neutral power line. A controlled switch, such as a TRIAC, is connected in series relationship between the contact and the hot power line. One or more sensors are provided which detect signals of the hot power line and/or the neutral power line. The processor provides activation or deactivation control to the controlled switch in response to the detected signals that are indicative of conditions relative to the first and second contacts.

A relay assembly comprises a vital relay used in a vital circuit and configured to be rack-installed in an equipment room in a railroad case or a railroad housing for providing a modular solid-state current-limiting. The relay assembly further comprises a plurality of vital relay contacts to which a current flow is restricted by a single supply solid-state current limiter. The relay assembly further comprises a relay socket base assembly coupled to the vital relay. The relay socket base assembly includes a relay socket base including a plurality of vital relay contact prongs, a plug assembly including a plurality of printed circuit board (PCB) mounted contact terminals, and a plurality of contact terminals that provide a connection between the plurality of vital relay contact prongs and the plurality of printed circuit board (PCB) mounted contact terminals. The relay assembly further comprises an ancillary electrical control module.

A hybrid jumper cable includes: a pair of power conductors; a pair of optical fibers; a jacket surrounding the pair of power conductors and the pair of optical fibers; a hybrid connector connected with the pair of power conductors and the pair of optical fibers; a capacitor electrically connected to each of the pair of power conductors; and a conduit attached to the hybrid connector, the capacitor residing in the conduit.

An artificial lighted tree is presented with power routed through the trunk and three-wire safety grounding. The tree comprising a fused electrical 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 suppressing circuit configured to suppress arcing across a power contactor coupled to an alternating current (AC) power source having a predetermined number of phases, each contact of the power contactor corresponding to one of the predetermined number of phases includes a number of dual unidirectional arc suppressors equal to the predetermined number of phases of the AC power source. Each dual unidirectional arc suppressor includes a first phase-specific arc suppressor configured to suppress arcing across the associated contacts in a positive domain, a a second phase-specific arc suppressor configured to suppress arcing across the associated contacts in a negative domain, and a coil lock controller, configured to be coupled between a contact coil driver of the power contactor, configured to detect an output condition from the contact coil driver and inhibit operation of the first and second phase-specific arc suppressors over a predetermined time.

A lightning protection system of an aircraft when it is electrically powered on the ground by a generator set is described. Such an aircraft consequently includes a fuselage and a connecting connector to allow the connection to the generator set. The connecting connector includes a frame, male electrical contacts protruding on either side of said frame, and a lightning protection system inserted between the male electrical contacts and electrical elements of the aircraft. The protection system includes peak-clipping devices for clipping an electrical signal and a printed circuit having conductive tracks linking the male electrical contacts to the peak-clipping devices.