An electrical connection device includes a first connector and a second connector. The first connector includes an insulative body and a plurality of first terminals provided to the insulative body, the insulative body has an insertion groove, a first insertion opening which is communicated with the insertion groove and toward a first direction, a second insertion opening which is communicated with the insertion groove and toward a second direction and a stopping block which is positioned between the first insertion opening and the second insertion opening, the stopping block has a first stopping face which faces the first direction and a second stopping face which faces the second direction. The second connector includes an insulative housing and a plurality of second terminals provided to the insulative housing, the insulative housing has a mating portion and a contacting surface, when the second connector is mated with the first connector along the first direction, the mating portion is inserted into the insertion groove from the first insertion opening, and the contacting surface is stopped by the first stopping face of the stopping block, when the second connector is mated with the first connector along the second direction, the mating portion is inserted into the insertion groove from the second insertion opening, and the contacting surface is stopped by the second stopping face of the stopping block.

A radio-frequency connector assembly comprises a male connector and a female connector plugged and matched with the male connector, wherein the male connector comprises a male substrate, the female connector comprises a female substrate, the male connector further comprises a shielding case covering the male substrate, the female connector further comprises a shielding frame having the female substrate disposed therein, multiple bumps which are distributed along an inner peripheral wall of the shielding case are disposed on the inner peripheral wall of the shielding cover and/or on an outer peripheral wall of the shielding frame, and a distance between every two adjacent bumps is less than or equal to one quarter wavelength of the operating frequency of the radio-frequency connector assembly. Signals in all directions can be shielded in the connector, effectively improving the shielding effect of the radio-frequency connector and the electrical properties of the radio frequency connector.

The present disclosure provides a new gate lamp system and method. The system and method is configured to facilitate the installation of a gate lamp onto a gate arm, and to facilitate the replacement of one or more of the gate lamps. The present disclosure provides a system and method of installing gate lamps on a gate arm in the field in a robust manner with ease.

A power adapter configured to apply power to a device is disclosed. The power adapter comprises a contact element configured to receive power; a first outlet configured to receive the power and adapted to provide the power to the device; a recess for receiving a module that is removably coupled to the power adapter, wherein the module is adapted to generate control signals; and a control circuit coupled to the recess; wherein the control circuit controls the application of the power to the first outlet in response to the control signals.

A surface mount connector comprises a bottom plate having a bottom wall, a conductive sheet disposed on the bottom plate and having a bottom portion running through the bottom wall and weldable to a PCB, a housing detachably disposed on the bottom plate and provided with a mounting hole corresponding to the conductive sheet, a conductive clamp disposed in the mounting hole, and a clamping piece portion adaptive to the conductive sheet disposed on the conductive clamp. The housing is capable of driving the conductive clamp to the bottom plate from top to bottom, so that the conductive sheet can insert into the clamping piece portion. The conductive clamp is electrically connected to the conductive sheet. The housing can drive the conductive clamp to detach from the bottom plate from bottom to top, so that the conductive clamp can disconnect from the conductive sheet.

An electrical adapter includes a post portion, an electrical terminal, and a cover. The electrical terminal extends from the post portion. The cover is slideably engaged with the post portion to selectively shield the electrical terminal.

A network communication device includes communication circuitry configured to communicate signals over a network cable, and a connector configured to connect to the network cable. The connector includes one or more signal terminals, an inner shield connection and an outer shield connection. The one or more signal terminals are configured to connect to one or more signal conductors of the network cable for communicating the signals. The inner shield connection surrounds the one or more signal terminals and is connected to a circuit ground of the communication circuitry. The outer shield connection surrounds the inner shield connection and is connected to an additional ground of the network communication device, the additional ground being different from the circuit ground.

A connector is connected to a mating connector and includes at least one terminal, a housing and a retainer (90). The housing includes at least one fitting (72) and an exposed portion (80). The fitting (72) is fit into the mating connector and formed with a terminal accommodating portion for accommodating the terminal. The exposed portion (80) is exposed from the mating connector. The retainer (90) includes a locked portion and a locking protrusion (94). The locked portion is assembled with the exposed portion (80) and locked to a locking portion provided on the exposed portion (80), thereby fixing the retainer (90) to the housing. The locking protrusion (94) is assembled with the fitting (72) to project into the terminal accommodating portion and retains the terminal in the terminal accommodating portion.

An electrical contact and lead frame having a contact base and a tab section. The tab section extends from the contact base. The tab section has a first wall and an oppositely facing second wall. The first wall and the second wall are configured to make an electrical and mechanical connection to a mating receptacle portion of a mating contact of a first mating plug assembly. An insulation displacement slot is provided in the tab section. The insulation displacement slot extends from the end surface. The insulation displacement slot is configured to make an electrical and mechanical connection to electrical conductors of a second mating assembly.

Provided is a sealing cover including a cover body and a wire fixing part; the cover body includes a top cover and a side wall, and the cover body is of a half-surrounded structure; the wire fixing part includes a bottom plate and a side plate, the bottom plate is arranged in the cover body, a wire accommodating space is formed by the top cover and the side wall of the cover body and the bottom plate, and a fitting space is formed by the side wall and a side of the bottom plate that opposite to the wire accommodating space; the side plate is arranged in the wire accommodating space, and wire guide slots are formed between the side plate and the bottom plate; and the guide holes are arranged on the bottom plate.