Abstract: Provided herein is a cable tray apparatus including a first side rail, a second side rail spaced from the first side rail, and at least one support member having a first end and a second end. The second side rail includes a support wall and first and second tabs extending from the support wall. The support member includes side walls extending between the ends, and first and second recesses formed within each of the two side walls at each end. The support member is located between the side rails, and the tabs of the side rails are configured to engage and be located within the respective first and second recesses at the respective ends of the support member. The support member is slidable relative to the side rails along the tabs.

Abstract: Various hardware and software configurations are described herein which provide improved security and control over protected data. In some embodiments, a computer includes a main motherboard card coupled to all input/output devices connected to the computer, and a trusted operating system operates on the main motherboard which includes an access control module for controlling access to the protected data in accordance with rules. The trusted operating system stores the protected data in an unprotected form only on the memory devices on the main motherboard. The computer may also have a computer card coupled to the main motherboard via a PCI bus, on which is operating a guest operating system session for handling requests for data from software applications on the computer.

Abstract: Provided herein is a cable tray apparatus including a first side rail, a second side rail spaced from the first side rail, and at least one support member having a first end and a second end. The second side rail includes a support wall and first and second tabs extending from the support wall. The support member includes side walls extending between the ends, and first and second recesses formed within each of the two side walls at each end. The support member is located between the side rails, and the tabs of the side rails are configured to engage and be located within the respective first and second recesses at the respective ends of the support member. The support member is slidable relative to the side rails along the tabs.

Abstract: A cable tray includes a pair of opposed side rails. Each of the pair of side rails includes an upper flange and a lower flange. A web portion extends between and interconnects the upper flange and the lower flange. The web portion includes an outer side and an inner side and a plurality of stiffeners protrude one or more of inwardly and outwardly therefrom. A plurality of spaced apart rungs extend between and connect the pair of opposed side rails.

Abstract: A cable tray assembly comprising a plurality of tray segments, each tray segment comprising a first portion and a second portion positioned about first and second ends, respectively, of the tray segment. The first portion has an inner region between at least sidewalls of the tray segment that is sized to receive placement of a second end of another tray segment. Additionally, the first portion can include one or more open ended grooves that, during assembly of the cable tray assembly, can receive a mating projection that is securely connected to the second end of the other tray segment. The open ended groove can be downwardly sloped, and can extend through an outer edge of the corresponding sidewall. The projection can be fixed or adjoined to the second end at least prior to assembly of the cable tray assembly, and can include shank that is threadingly engaged by a retainer.

Abstract: A cable tray assembly comprising a plurality of tray segments, each tray segment comprising a first portion and a second portion positioned about first and second ends, respectively, of the tray segment. The first portion has an inner region between at least sidewalls of the tray segment that is sized to receive placement of a second end of another tray segment. Additionally, the first portion can include one or more open ended grooves that, during assembly of the cable tray assembly, can receive a mating projection that is securely connected to the second end of the other tray segment. The open ended groove can be downwardly sloped, and can extend through an outer edge of the corresponding sidewall. The projection can be fixed or adjoined to the second end at least prior to assembly of the cable tray assembly, and can include shank that is threadingly engaged by a retainer.

Abstract: A filler plate for a loadcenter having an opening in a deadfront includes a cover plate constructed to cover the opening; a first leg coupled to and spaced apart from the cover plate to yield a first gap between the first leg and the cover plate, wherein the first gap is constructed to receive a first portion of the deadfront adjacent to the opening therein; and a second leg coupled to and spaced apart from the cover plate to yield a second gap between the second leg and the cover plate, wherein the second gap is constructed to receive a second portion of the deadfront adjacent to the opening therein.

Abstract: An adjustable mounting lug for an electrical box that diminishes the degree of play of the adjustable mounting lug relative to at least an orientation of a front face of the electrical box. Sidewalls of the adjustable mounting lug can include a first portion comprising a first segment, and a second portion comprising a first inclined side, an intermediate curved side, and a second inclined side. The second portion can be configured accommodate the adjustable mounting lug having a relatively large height while maintaining at least a minimum length of a bottom wall of the adjustable mounting lug that is supported by a support louvre of the electrical box. The second portion also provides the sidewalls of the larger adjustable mounting lug with a configuration that can prevent the adjustable mounting lug from interfering with at least fittings in the box that can be associated with relatively large knockout openings.

Abstract: An adjustable mounting lug for an electrical box that diminishes the degree of play of the adjustable mounting lug relative to at least an orientation of a front face of the electrical box. Sidewalls of the adjustable mounting lug can include a first portion comprising a first segment, and a second portion comprising a first inclined side, an intermediate curved side, and a second inclined side. The second portion can be configured accommodate the adjustable mounting lug having a relatively large height while maintaining at least a minimum length of a bottom wall of the adjustable mounting lug that is supported by a support louvre of the electrical box. The second portion also provides the sidewalls of the larger adjustable mounting lug with a configuration that can prevent the adjustable mounting lug from interfering with at least fittings in the box that can be associated with relatively large knockout openings.

Abstract: An electrical box bar hanger includes an adjustable channel having a plurality of locking tabs at distal ends thereof and first and second end plates with each of the first and second end plates having a plurality of locking apertures thereon. The first and second end plates are integrally connected to each distal end of the adjustable channel. When each end plate is bent 90 degrees against each corresponding end of the adjustable channel, each of the plurality of locking apertures aligns with each corresponding locking tab, such that the plurality of locking tabs can be inserted into corresponding locking aperture to allow the first and second end plates to be perpendicular with the adjustable channel without the use of welding.

Abstract: A filler plate for a loadcenter having an opening in a deadfront includes a cover plate constructed to cover the opening; a first leg coupled to and spaced apart from the cover plate to yield a first gap between the first leg and the cover plate, wherein the first gap is constructed to receive a first portion of the deadfront adjacent to the opening therein; and a second leg coupled to and spaced apart from the cover plate to yield a second gap between the second leg and the cover plate, wherein the second gap is constructed to receive a second portion of the deadfront adjacent to the opening therein.

Abstract: A shallow octagonal electrical box having a back wall and a stepped sidewall construction. The back wall includes at least first and second substantially flat sections connected by an intermediate section. The sidewall extends from the back wall to an open front and has an octagonal shape formed by eight sidewall sections. At least three contiguous sidewall sections have a first height and at least three of the other sidewall sections have a second height that is different from the first. At least one sidewall section has an opening or aperture adapted to provide a passage into the interior. The sidewall can have a hub or connector attached to the exterior surface around the opening/aperture. The sidewall can also have a knockout and a plurality of mounting apertures.

Abstract: An electrical load center for residential and commercial buildings includes an enclosure, a cover assembly, and a panelboard. The panelboard includes an insulated base, first and second bus bars, each of the first and second bus bars having an elongated main member, a plurality of connecting members, each of which is integrally formed from an edge of the main member, and a plurality of conducting members integrally formed from each of the connecting members. The panelboard further includes at least one neutral bar. The neutral bar is preferably I-shaped and includes a generally vertical main body, and transverse upper and lower members. The transverse upper member is preferably thicker than the transverse lower member and includes an outward taper from a top surface to a bottom of the transverse upper member to provide a greater contact surface area.

Abstract: An electrical load center for residential and commercial buildings includes an enclosure, a cover assembly, and a panelboard. The panelboard includes an insulated base, first and second bus bars, each of the first and second bus bars having an elongated main member, a plurality of connecting members, each of which is integrally formed from an edge of the main member, and a plurality of conducting members integrally formed from each of the connecting members. The panelboard further includes at least one neutral bar. The neutral bar is preferably I-shaped and includes a generally vertical main body, and transverse upper and lower members. The transverse upper member is preferably thicker than the transverse lower member and includes an outward taper from a top surface to a bottom of the transverse upper member to provide a greater contact surface area.

Abstract: An electrical box bar hanger includes an adjustable channel having a plurality of locking tabs at distal ends thereof and first and second end plates with each of the first and second end plates having a plurality of locking apertures thereon. The first and second end plates are integrally connected to each distal end of the adjustable channel. When each end plate is bent 90 degrees against each corresponding end of the adjustable channel, each of the plurality of locking apertures aligns with each corresponding locking tab, such that the plurality of locking tabs can be inserted into corresponding locking aperture to allow the first and second end plates to be perpendicular with the adjustable channel without the use of welding.

Abstract: An electrical load center for residential and commercial buildings includes an enclosure, a cover assembly, and a panelboard. The panelboard includes an insulated base, first and second bus bars, each of the first and second bus bars having an elongated main member, a plurality of connecting members, each of which is integrally formed from an edge of the main member, and a plurality of conducting members integrally formed from each of the connecting members. The panelboard further includes at least one neutral bar. The neutral bar is preferably I-shaped and includes a generally vertical main body, and transverse upper and lower members. The transverse upper member is preferably thicker than the transverse lower member and includes an outward taper from a top surface to a bottom of the transverse upper member to provide a greater contact surface area.

Abstract: A multi-purpose universal support is disclosed that can be configured to support multiple pipes, pipe junctions, vertical strut channels, horizontal strut channels, and thread rods. The disclosed support system allows for quicker installation, easy height adjustments, and a fewer supports than previously known supports.

Abstract: A vented exhaust system for an electrical cabinet housing high voltage equipment. Very short-time explosions can occur within the electrical cabinet that are the result of a short circuit of the equipment housed within. The vented exhaust system provides for a way to safely release the pressure and hot gasses that can result from the short circuit so that the cabinet does not explode.

Abstract: A gangable electrical box includes a U-shaped box member having a generally rectangular back wall including opposed back wall ends. An end wall extends from each of the back wall ends. Each of the end walls has opposed longitudinal edges. The gangable box further includes a pair of generally rectangular side walls where each side wall has opposed side wall ends. The side wall ends are attachable to the U-shaped box member to define an open ended box interior. The longitudinal edges of the end walls and the opposite ends of the side walls include interfitting snap fit connection for toolless attachment of the side walls to the box member.