An instrument compartment for an electrical cabinet includes a box-shaped compartment structure comprising a stationary end portion mounted on a frame of an electrical cabinet and a swingable portion hinge-mounted to the stationary end portion. A power supply terminal is mounted to an inside surface of the stationary end portion, configured to supply electrical power to electrical components in the interior space of the compartment structure. Guide structures are mounted on an inside back panel of the interior space within the compartment structure, configured to position the electrical components for connection to wiring harnesses and the power supply terminal or other electrical components to facilitate assembly of the electrical components within the interior space of the compartment structure.

A busway connector is provided including a base, a drive member, a connection component, and a locking member. The locking member is disposed through the base and fastened to the drive member, and the locking member fits with the base to drive the drive member to move in a first direction. The connection component includes a connection block and connection units connected in series in a row, each connection unit includes a first insulation sheet, a first conductive sheet fastened to the first insulation sheet, a second insulation sheet, and a second conductive sheet fastened to the second insulation sheet. A slot is formed between the first conductive sheet and the second conductive sheet, the first insulation sheet is elastically connected to the second insulation sheet by using an elastic member, and the connection block is slidably connected to the base.

A service-entrance plug-on neutral (SEPON) device having a conductive neutral sled having a line sled side and a load sled side configured to electrically couple with a neutral bus of a bus assembly of a switchboard or panelboard when the SEPON device is installed on the bus assembly; a lug assembly having one or more electrically conductive terminal lugs configured to receive line neutral current from an external source and to electrically couple to the line sled side; a movable neutral disconnect link movable into a connection position to establish electrical continuity between the line sled side and the load sled side and into a disconnection position to cause a discontinuity between the line sled side and the load sled side; and a main bonding jumper having first mounted to the line sled side and a second ends configured to be moved between a non-connected position and a ground position.

According to a manufacturing method of the present invention, it is possible to manufacture a busbar assembly in an efficient manner, the busbar assembly including busbars disposed in parallel in a common plane and an insulative resin layer including a gap filling portion filled into a gap between the adjacent busbars and a bottom-surface-side laminated portion extending integrally from the gap filling portion and arranged on bottom surfaces of the busbars, a top surface of the busbar being at least partially exposed to form a top-surface-side connection portion, the bottom surface of the busbar including a first bottom surface region which is located at the same position in a thickness direction as a lower end portion of the gap and on which the bottom-surface-side laminated portion is arranged and a second bottom surface region located farther away from the top surface than the first bottom surface region and exposed to the outside to form a bottom-surface-side connection portion.

A busway joint for coupling two segments of an electrical distribution busway to each other comprising, a busway joint including a plurality of fins, a central body connecting each of the plurality of fins, and a bolt within the central body, wherein the bolt includes a cavity housing a sensor lead and an epoxy potting.

A fastening structure includes a fastening member including a bolt and a plurality of fastened members that are fastened and fixed to the fastening member. Further, the bolt contains pure aluminum or an aluminum alloy. At least one fastened member of the plurality of fastened members contains pure aluminum or an aluminum alloy. Pure aluminum or an aluminum alloy of a screw portion of the bolt is brought into direct contact with pure aluminum or an aluminum alloy of at least one fastened member.

A busway connector is provided including a base, a drive member, a connection component, and a locking member. The locking member is disposed through the base and fastened to the drive member, and the locking member fits with the base to drive the drive member to move in a first direction. The connection component includes a connection block and connection units connected in series in a row, each connection unit includes a first insulation sheet, a first conductive sheet fastened to the first insulation sheet, a second insulation sheet, and a second conductive sheet fastened to the second insulation sheet. A slot is formed between the first conductive sheet and the second conductive sheet, the first insulation sheet is elastically connected to the second insulation sheet by using an elastic member, and the connection block is slidably connected to the base.

A hinged busbar assembly includes a first mounting busbar configured to be electrically and mechanically connected to the first component at a fixed connection, a second mounting busbar configured to be electrically and mechanically connected to the second component at a fixed connection, and at least two extension busbars extending between the first and second mounting busbars. Adjacent extension busbars are electrically and mechanically connected to each other at a pivotal connection. One of the at least two extension busbars is electrically and mechanically connected to the first mounting busbar at a pivotal connection, and another one of the at least two extension busbars is electrically and mechanically connected to the second mounting busbar at a pivotal connection. Each pivotal connection includes at least one extension extending from each adjacent busbar and at least one electrical contact mounted in each extension, and a pin inserted through the electrical contacts.

A hinged busbar assembly includes a first mounting busbar configured to be electrically and mechanically connected to the first component at a fixed connection, a second mounting busbar configured to be electrically and mechanically connected to the second component at a fixed connection, and at least two extension busbars extending between the first and second mounting busbars. Adjacent extension busbars are electrically and mechanically connected to each other at a pivotal connection. One of the at least two extension busbars is electrically and mechanically connected to the first mounting busbar at a pivotal connection, and another one of the at least two extension busbars is electrically and mechanically connected to the second mounting busbar at a pivotal connection. Each pivotal connection includes at least one extension extending from each adjacent busbar and at least one electrical contact mounted in each extension, and a pin inserted through the electrical contacts.

An apparatus for electrically connecting busbars includes: a first laminated multi-phase busbar to be connected to a second laminated multi-phase busbar, each of the first and second laminated multi-phase busbars including a plurality of conducting layers and insulating layers which are arranged between the conducting layers, the conducting layers of the first laminated multi-phase busbar projecting from the insulating layers thereof, forming a first lateral connecting portion with first electrical contact surfaces, and the conducting layers of the second laminated multi-phase busbar projecting from the insulating layers thereof, forming a second lateral connecting portion with second electrical contact surfaces; and a bridging element that includes a plurality of laminated insulating layers and conducting layers having electrical contact surfaces which contact associated electrical contact surfaces of the first and second lateral connecting portions of the first and second busbar.