A device that includes a first board, a second board, and coaxial cable coupled to the first board and the second board. The coaxial cable includes a multi-line coaxial cable configured to provide at least two electrical paths for electrical currents between the first board and the second board. A first plug is coupled to the first board. A second plug is coupled to the second board. The coaxial cable includes a first receptable and a second receptable. The first receptable is configured to couple to the first plug. The second receptable is configured to couple to the second plug. The coaxial cable is configured to provide (i) a first electrical path for a first electrical current between the first board and the second board, and (ii) a second electrical path for a second electrical current between the first board and the second board.

A device that includes a first board, a second board, and coaxial cable coupled to the first board and the second board. The coaxial cable includes a multi-line coaxial cable configured to provide at least two electrical paths for electrical currents between the first board and the second board. A first plug is coupled to the first board. A second plug is coupled to the second board. The coaxial cable includes a first receptable and a second receptable. The first receptable is configured to couple to the first plug. The second receptable is configured to couple to the second plug. The coaxial cable is configured to provide (i) a first electrical path for a first electrical current between the first board and the second board, and (ii) a second electrical path for a second electrical current between the first board and the second board.

An interface having a frame with a plurality of slots, a first pass-through insert in the frame and a second pass-through insert in the frame. The first pass-through insert and the second pass-through insert each have a housing and a contact with the type of contact in the first pass-through insert is different than the type of contact in the second pass-through housing.

An interface having a frame with a plurality of slots, a first pass-through insert in the frame and a second pass-through insert in the frame. The first pass-through insert and the second pass-through insert each have a housing and a contact with the type of contact in the first pass-through insert is different than the type of contact in the second pass-through housing.

An electrical connector is provided, including an insulating body, multiple terminals, and a metallic plate. The insulating body has a base portion and a tongue portion. The terminals are disposed at the insulating body and extending from the base portion to the tongue portion, respectively. Portions of the terminals exposed from the tongue portion are configured to be mated with terminals of another electrical connector. The metallic plate is disposed in the insulating body. The terminals are divided into two groups by the metallic plate. The metallic plate has at least one strip connecting portion, and the strip connecting portion exposes at the base portion of the insulating body.

An electrical connector is provided, including an insulating body, multiple terminals, and a metallic plate. The insulating body has a base portion and a tongue portion. The terminals are disposed at the insulating body and extending from the base portion to the tongue portion, respectively. Portions of the terminals exposed from the tongue portion are configured to be mated with terminals of another electrical connector. The metallic plate is disposed in the insulating body. The terminals are divided into two groups by the metallic plate. The metallic plate has at least one strip connecting portion, and the strip connecting portion exposes at the base portion of the insulating body.

A lighting system includes two or more lighting fixtures, each comprising a housing, at least one light source mechanically supported by the housing, at least one pipe thermally coupled to the housing to carry a fluid coolant, an AC power port, and at least one network communications port. The AC power ports of respective lighting fixtures are coupled together with a plurality of industrial power cables without using one or more conduits for the plurality of industrial power cables. The network communications ports of the respective lighting fixtures are coupled together with a plurality of waterproof network communications cables. In one example, a lighting system kit comprises two or more lighting fixtures having an AC power port comprising an industrial type connector. The kit further comprises multiple industrial power cables and one or more industrial drop tee cables.

A lighting system includes two or more lighting fixtures, each comprising a housing, at least one light source mechanically supported by the housing, at least one pipe thermally coupled to the housing to carry a fluid coolant, an AC power port, and at least one network communications port. The AC power ports of respective lighting fixtures are coupled together with a plurality of industrial power cables without using one or more conduits for the plurality of industrial power cables. The network communications ports of the respective lighting fixtures are coupled together with a plurality of waterproof network communications cables. In one example, a lighting system kit comprises two or more lighting fixtures having an AC power port comprising an industrial type connector. The kit further comprises multiple industrial power cables and one or more industrial drop tee cables.

An add-on housing for a plug-in connection is provided and includes a frame-like basic form, wherein fastening devices for fastening the add-on housing to a wall aperture are integrally formed within the frame-like basic form, wherein the add-on housing has at least one clamping element which can be captively clamped within the frame-like basic form, and wherein a holding frame or a contact insert can be fixed to the at least one clamping element. A method for fastening an add-on housing to a wall aperture is also provided, wherein: a frame-like basic form is fixed to the wall aperture by internal fastening devices; then, at least one clamping element, but preferably two clamping elements, is/are fixed within the frame-like basic form without tools; and a holding frame which is fitted with plug-in connector modules or a contact insert is then mounted onto the clamping elements and fixed thereto.

The present disclosure provides a connector assembly. The connector assembly includes a wire-end connector. The wire-end connector includes a wafer, a shield plate and a twin-ax cable. The wafer includes a frame and a terminal group. The terminal group is supported by the frame. The terminal group includes a signal terminal pair and a ground plate. The ground plate includes a ground terminal on both sides of the signal terminal pair. The shield plate is electrically connected to the ground plate. The shield plate includes an opening that penetrates the shield plate. The twin-ax cable includes a pair of conductors and a ground portion. The pair of conductors extend into the opening of the shield plate and are electrically connected to the signal terminal pair. The ground portion electrically connects at least one of the shield plate and the ground plate.