An electrical cable connector, assembly, system, and/or method is disclosed that includes a pin side connector comprising a plurality of conductor members and one or more insulator members alternating along a longitudinal axis, each of the plurality of conductor members having a base and a stem extending from the base and configured to electrically connect to one or more wires; and a socket connector comprising a plurality of conductive elements and one or more insulative elements arranged along the longitudinal axis, wherein each of the plurality of conductive elements has a center channel and each of the one or more insulative elements has a through-hole, wherein the center channels of each of the plurality of conductive elements and the through-holes of each of the one or more insulative elements are aligned and configured to form a receptacle in communication with an end opening, wherein the pin side connector is received in and freely rotatable with respect to the receptacle of the socket connector.

A track section for a track system is provided that includes an enclosed channel and first and second lateral members. The enclosed channel is defined by a base wall, a cover wall, and first and second lateral side walls, and has an interior cavity. The first and second lateral side walls are disposed on opposite sides of the enclosed channel. The base wall and the cover wall are spaced apart from one another and extend between the first and second lateral side walls. The first lateral member extends outward from the first lateral side wall and the second lateral member extends outward from the second lateral side wall. Each has a ramp flange channel. The track section is a unitary structure with the first and second lateral members being integral with the enclosed channel and has a length between first and second lengthwise ends.

Disclosed illustrative embodiments include docking stations, portable electrical vehicle supply equipment cables, and modular electrical vehicle supply equipment systems. An illustrative docking station includes a receiver configured to be physically couplable with a structure and a source electrical connector configured to be electrically couplable to a power source and the receiver. The docking station also includes an electrical connector configured to be electrically couplable with a portable electrical vehicle supply equipment cable and the receiver. The docking station further includes a communications device couplable in data communication with the receiver and configured to send and receive information relating to use of the electrical connector.

A combination outlet assembly includes a single piece integrally formed housing having first and second outlet cores respectively having a similar outer shape and profile but differently shaped sets of three terminal apertures, and three terminals associated with each respective set of three terminal apertures in the first outlet core and the second outlet core. The first outlet core and the second outlet core may be interchangeably used with power cord plug connectors of different types. Power cord latching features are also described. Power distribution units may include a number of combination outlet assemblies ganged together.

An electrical connector has a test terminal, a positive terminal, and a negative terminal coaxially mounted in a connector base. The negative terminal surrounds the positive terminal. An insulating cap is mounted between the positive terminal and the negative terminal. A pair of turning engaging parts is formed between the ring body of the insulating cap and the internal surface of the negative terminal and the turning engaging parts are engaged with each other to assemble the insulating cap with the negative terminal by turning the insulating cap. An annular groove is formed in a top of the insulating cap to increase a creepage distance between the negative terminal and the positive terminal to meet requirement of safety specifications.

A work machine, such as a hauler at a mining site, includes a conductor rod housing concentric metal tubes for receiving multiple poles of electrical power from a contactor sliding on a power rail. A terminal assembly includes conductive extensions from the respective metal tubes that are arranged concentrically and rotatably around an axis orthogonal with the conductor rod, rotatable metal pins positioned transversely to the axis, and conductive arms connected through hinge joints to respective ones of the rotatable metal pins. When the conductive arms are connected to rotatable and hinged joints at the contactor, the terminal assembly provides multiple degrees of freedom for the conductor rod relative to the contactor and avoids detachment of the contactor from the power rail.

An electrical receptacle is provided. The electrical receptacle can include a hot slot, a neutral slot, and an in-use contact terminal. The hot slot can include a line contact terminal. The neutral slot can include a neutral contact terminal. The in-use contact terminal can be located within the hot slot. The in-use contact terminal can be adjacent to the line contact terminal and can make contact with a hot lead when a power cord is connected to the electrical receptacle.

An in-wall power adapter is described. The in-wall power adapter comprises a first contact element configured to receive power; an outlet coupled to receive power from the first contact element; and a recess having contact elements adapted to provide at least one of power signals and control signals; wherein the recess is adapted to receive a module.

A serially-connectable device includes a plug, an electrical cable, and a joining sleeve. The plug includes an insert portion and apertures are arranged in parallel to each other and formed through the insert portion. The electrical cable includes metal wires, such as wires of a light string. Ends of the wires respectively run through the apertures, and are folded back onto a surface of the insert portion to form exposed wire portions servicing as terminal pins. The joining sleeve includes two insert holes. Electrical conductors are disposed within the joining sleeve. Each electrical conductor extends from one of the two insert holes to the other insert hole. The insert portion is inserted into one of the two insert holes, to have the pins respectively contact the electrical conductors. Through the combination of the joining sleeve and the plug, two electrical cables can be quickly connected in a serial manner.

This applications relates to methods and apparatus for monitoring a socket (101), to detect a connection status of a mating plug (102), e.g. for monitoring an audio jack socket for connection of an audio jack plug. A monitor (115, 305) is configured to monitor a voltage (V.sub.M) at a monitoring node (114), which is coupled to a jack detect contact (112) of the socket and a voltage pull-up element (113). The voltage (V.sub.M) at the monitoring node (114) is monitored against a threshold (Vthv) and a threshold module (302) is configured to vary the threshold depending on an indication of signal activity (S.sub.ACT) of a signal path for a first socket contact (103) which will be electrically connected to the jack detect contact when a plug when inserted in the socket.