A ground connection with a grounding screw having a countersunk head with a countersinking region and having a cylindrical threaded shaft, proceeding from the countersunk head, for the mechanical and electrical connection of a first sheet-metal part to another metal part is described, wherein the first sheet-metal part resting on the head side of the grounding screw has a varnish layer on all sides, said varnish layer is broken through by a protrusion, proceeding from a countersinking region of the head, when the screw is tightened, wherein the head-side borehole is cylindrical and provided with a diameter D1 that is slightly smaller than the head diameter D2 of the head, and wherein the sheet edge of the first sheet-metal part uses, as counterbearing, the oblique circumferential surface of the grounding screw, which cuts through the varnish when the screw is tightened, without creating varnish chips. At the same time, the segment cutting edge or protrusion centres the grounding screw in the cylindrical borehole.

A terminal for connecting a conductor (301,302) to a connector pin (101) of an electrical apparatus. The connector pin (101) is provided with an external thread. The terminal has a first central and a second central threaded hole (111,112), which intersect perpendicularly. The internal threads of the threaded holes (111,112) match the external thread of the connector pin (101), so that the terminal is screwable in two different orientations onto the connector pin (101). The terminal has one or more conductor channels for the connection of leads (301,302).

An electrical wiring system providing selectable referencing to earth ground, comprising: a housing comprising a first terminal for attachment to HOT, a second terminal for attachment to LOAD, and a flexible terminal comprising a first leg mounted to the electrical wiring device and a second leg connected to the first leg via a flexible joint, wherein the relative distance between the first leg and the second leg is adjustable between an extended position and a retracted position by flexing the flexible joint, the flexible joint being biased in the extended position, wherein the first leg defines a first aperture and the second leg defines a second aperture, a load control circuit disposed within the housing and receiving a line input from the first terminal and a reference input, the reference input being referenced to the electric potential of the flexible terminal; a screw having a screw head, the screw being inserted through the first aperture and the second aperture; and a pressure plate having a threaded aperture, the threaded aperture being engaged with the threads of the screw, the pressure plate and the screw head being disposed on opposite sides of the flexible terminal such that advancing the pressure plate along the threads of the screw toward the head of the screw draws the flexible terminal from the extended position toward the retracted position.

An electrical connection system includes a mounting stud having a base configured for mounting to a conductive surface. One or more one ring-shaped lugs, formed of an electrically conductive material, are configured for being positioned on the mounting stud for surrounding the mounting stud. The ring-shaped lug includes one or a plurality of interior channels extending around the inside diameter thereof. A contact spring is seated within a respective interior channel and is electrically conductive and dimensioned to extend radially inwardly from the channel and contact the mounting stud when the ring-shaped lug is positioned thereon. The contact spring is configured to at least partially collapse in the radial direction and to provide a spring bias against the mounting stud for providing an electrical connection between the ring-shaped lug and mounting stud. A locking cap is positioned on the mounting stud over the at least one ring-shaped lug for locking with the mounting stud and securing the ring-shaped lugs on the mounting stud for a secure electrical connection.

A body earth structure for a vehicle includes a bolt of which a head portion is swage-joined to an aluminum vehicle body panel. The bolt is provided to fasten an earth terminal to the vehicle. The bolt includes a projection that protrudes toward the vehicle body panel, on a facing surface of the head portion of the bolt. The facing surface is provided to face the vehicle body panel.

A ground connection structure for an electrical connection box and a fixation object, includes a first ground contact portion provided on the fixation object, a second ground contact portion provided on the electrical connection box and electrically connected to the first ground contact portion when the electrical connection box is fixed to the fixation object, a ground circuit body provided in the electrical connection box and electrically connected to the second ground contact portion, and a fixing member configured to fix the electrical connection box to the fixation object such that the second ground contact portion is brought into contact with the first ground contact portion.

A coupler for a coaxial cable connector comprising a nut portion, an extension portion extending forwardly from the nut port, and cage slidable coupled with the extension portion. The cage 33 includes a rear ring 331, a forward ring 332, and a plurality of slats 333 extending from the forward ring 332 to the rear ring 331.

An electrical contacting interface includes a low and stable electrical transition resistance including at least two contacting partners, which interact for electrical contacting. According to an embodiment, in one of the two contacting partners, in the region of a contacting surface, a structure is formed which protrudes from the plane of the contacting surface of the one contacting partner. The structure deforms under the influence of a mechanical force and causes a corresponding deformation in the shape of a recess in the opposite contacting partner. The structure protruding from the plane is formed such that even after the deformation caused in the opposite contacting partner and the flat regions of the two contacting surfaces do not touch. Therefore, the electrical current is forced to flow solely through the contact interface created during the deformation process, such that the electricity transfer surfaces are precisely localized.

A wireway connector for a wireway section having an open longitudinal end and a plurality of sidewalls includes a connector body having a plurality of side panels. The wireway connector is configured to be attached to an open longitudinal end of a wireway section. A snap-fit component is on at least one of the side panels. The snap-fit component is configured to mateably connect to a snap-fit component on one of the sidewalls of the wireway section as the connector body is attached to the open longitudinal end of the wireway section to connect the wireway connector to the wireway section.

A terminal for connecting an electrical conductor to a connection pad of a device, the terminal including a cage to be fixed inside the housing of the device and including an orifice of substantially parallelepipedal shape and delimited by four walls, the orifice being able to receive the pad, an upper wall including an orifice able to allow the passage of a screw with an actuator and a clamping shoe able to allow the conductor to be clamped between the pad and the shoe upon actuation of the screw driving the relative translational movement between the screw and the cage. Terminal includes an intermediate stage inside the cage to allow the reception of a nut with elastic branches having a threaded orifice through which the clamping screw is to be mounted, the elastic branches interacting with forms provided on the side walls of the cage such that the nut rotationally disengages as soon as the correct clamping torque is reached.