Abstract: An electrical connection system designed to connect electrical conductors to a junction box containing a receptacle. The system incorporates a junction box, a supply connector, a distribution connector, and a receptacle. The junction box includes a line bus, a ground bus, and a neutral bus. The supply connector adapts the incoming electrical wire having a line conductor, a ground conductor, and a neutral conductor for connection to the line bus, the ground bus, and the neutral bus. The electrical receptacle is formed with a line blade, a ground blade, and a neutral blade which, respectively, electrically connect to the line bus, the ground bus, and the neutral bus. Electrical energy may be supplied through the electrical conductors to the electrical receptacle. A distribution connector may be incorporated to supply electrical energy to downstream receptacles.

Abstract: A two-piece electrical box for recessing a duplex receptacle or similar electrical device within a wall. An inner box including a flange is recessed into a hole in a wall until the flange is flush with the wall. The inner box is then secured to the wall. An outer box is then secured to the inner box. A cover on the outer box provides a rainproof enclosure for the plug ends of electrical cords while they are connected to the electrical device housed therein.

Abstract: A non-metallic electrical wiring box having a fast set screw mounting socket for mounting electrical devices inside the box. The box includes a pair of side walls, a pair of end walls, a back wall, a front opening and one or more fast set screw mounting sockets in each end wall, or connected to each end wall, for receiving a mounting screw. Each socket includes: a socket wall, preferably a cylindrically-shaped wall, an interior wall surface, a first end, a second end and a mid-region. The first end corresponds to the front opening of the box and the mid-region is between the first and second ends of the fast set screw mounting socket. Each socket also has a center slot in the socket wall, which preferably bisects the socket wall and extends from about the mid-region to the second end of the socket and defines two or more flexible socket wall sections.

Abstract: A lid (20) and a cover main body (10) are formed with sliding contacts (17, 23) that slide in sliding contact with each other immediately before the lid (20) reaches a lid-closing position for damping biasing forces given from coil springs (30) to the lid (20). Frictional resistance is created by the sliding contact of the sliding contacts (17, 23) and the biasing forces given from the torsion coil springs (30) to the lid (20) are damped by this frictional resistance. In this way, an impact given when the lid (20) reaches the cover main body (10) at the lid-closing position is alleviated.

Abstract: A square electrical box molded in one-piece of plastic material has three ENT connectors extending outwardly from each box sidewall. The connectors on each sidewall include a middle connector and two outer connectors. All of the middle connectors are sized for receiving one-half inch standard trade size ENT conduit. Both of the outer connectors one one pair of opposite sidewalls are sized for receiving three-quarter inch standard trade size ENT conduit. The other pair of opposite sidewalls have one outer connector sized to receive three-quarter inch standard trade size ENT conduit and another outer connector sized to receive one-inch standard trade size ENT conduit. The box has attachment ears extending outwardly from the box corners along diagonal lines that extend across diagonally opposite ones of the box corners. An adapter attached to a front surface of the box has attachment ears aligned with the box ears.

Abstract: In a design methodology for an electronic device that accepts a removable accessory card, the electronic device is provided with an accessory card receptacle and a power connector. The power connector is positioned with respect to the accessory card receptacle such that an accessory card cannot be inserted into, or removed from, the accessory card receptacle while a power cord is connected to the power connector. An accessory card, and electronic devices that receive accessory cards, are also disclosed.

Abstract: A prepackaged mounting assembly for securing a device, such as a ceiling fan, light fixture, or similar device to an overhead beam. The mounting assembly includes an L-shaped mounting box that includes a large side wiring cavity and an integral flange portion. A cover cooperates with the integral flange portion to provide a closure for the wiring cavity and a bottom flange for mounting a device-specific bracket thereon. The bracket includes slots therein and the integral flange portion includes downward extending alignment posts to enable easy centering of the manufacturer's bracket under the integral flange. The mounting assembly includes all hardware required to complete installation of the device including the cover, an initial fastener, and load bearing fasteners, which are all temporarily secured to the L-shaped box.

Abstract: A detachable cover and base for housing open standard electrical wiring, the cover and the base having shoulders portions which readily engage and disengage. When coupled the shoulder portions form tubular projections that hold electrical conduits containing electrical wiring. A gasket is provided between the base and the cover to form a waterproof barrier. The tubular projections are perpendicular to walls of the cover and the base, and allow electrical wiring to be connected from multiple directions within a residence.

Abstract: A mounting assembly for connecting a housing of an electrical fixture to an electrical junction box, in which a plate attached to the housing includes a locking member having an engager at a first end moveable relative to the plate between a first position and a second position. A locking post adapted for connecting to an electrical junction box includes a receiver for engaging the engager. The locking post secures the housing to the electrical junction box upon moving the locking member to the second position to engage the engager with the receiver of the locking post. A method of attaching a housing for an electrical fixture to an electrical junction box is disclosed.

Abstract: An assembly is disclosed for finding and withdrawing wire and cable ends from locations inside a wall which is being constructed where they have been temporarily brought. The assembly includes a plaster ring fastened to a wall stud. A plaster ring cover plate is temporarily attached to the plaster ring. A hitch is provided on the plaster ring cover plate for joining the wire or cable ends to the cover plate. A tying member may be used to tie the wire or cable end to the cover plate if desired. A method for retrieving the wire and cable ends is also disclosed which includes placing a plaster ring near a location where the wire or cable ends are brought, providing a plaster ring cover plate which is removably engaged on the plaster ring with a hitch for receiving the wire or cable end, engaging the wire or cable end on the hitch, and engaging the plaster ring cover plate on the plaster ring.

Abstract: Electrical equipment having a chassis with electronic parts mounted thereto can be simply mounted on a bottom of a cabinet without using screws and can be simply disassembled. A plurality of hooks are provided on a bottom plate of the cabinet. The chassis is formed with holes to permit the hooks to engage therewith. A positioning projection is provided on the bottom plate of the cabinet or on the chassis to afford flexible deformation, and a latch hole is provided on the chassis or on the bottom plate of the cabinet to permit the positioning projection to be latched thereon.

Abstract: Lightning at or near the site of an oil storage tank can cause a charge build up in the tank. This charge must be discharged to ground at rapid speeds to prevent arcing, sparks and fire. The tank has a metal floating roof which can be used to discharge the charge to ground by connecting a low impedance braided wire to the floating roof, and then connecting the wire to a take up reel at the top rim of the tank. The take up reel keeps any slack out of the wire. The path to ground is liquid to floating roof, to braided wire, to take up reel, to wall of tank, to earth ground.

Abstract: Deformation of a socket housing during connection of an IC package is prevented, and reliable electrical connections are secured in an IC socket assembly. The IC socket assembly is constituted by a plurality of electrical contacts; an insulative socket housing for holding the electrical contacts arranged in a matrix; a reinforcing plate having an opening at its center, through which the electrical contacts are exposed, for supporting the lower portion of the socket housing; a cover member, which is rotatably supported by the reinforcing plate, for cooperating with the reinforcing plate to sandwich and hold the IC package therebetween and to press the IC package against the electrical contacts; and reinforcing beams, which are supported by the reinforcing plate and provided across opposing edges of the opening, for supporting the socket housing.

Abstract: Preventing an electric connecting box having an upper cover and a lower cover, which can prevent the upper cover from approaching the lower cover over a limit when an electric component is mounted on the upper cover, the electric connecting box 1 is provided with an upper cover 2, a lower cover 3, a middle cover 4, a printed wire board 5, a wiring board 6 and a shield plat 7. The upper cover 2 is mounted on the lower cover 3. The lower cover 3 has a first strut 20 abutting on the shield plate 7. The first strut 20 supports the upper cover 2 through the shield plate 7 and the wiring board 6.

Abstract: An electrical box extension includes a base having a first edge, a second edge, an inner wall, and an outer wall. The inner wall defines an aperture. An annular flange is disposed on the inner wall. The flange has first and second support surfaces. A first receiving section is formed between the first edge and the upper support surface. A second receiving section is formed between the second edge and the second support surface. The extension is reversible for extending the electrical box in either a partially or fully extended position.

Abstract: The present invention is to provide an electronic device for outdoor use, includes a housing and at least one fastening member. The housing includes at least one groove on one outer surface thereof. Each fastening member includes at least one protrusion projected from one side thereof. The protrusion is adapted to neatly insert into the groove for securing the fastening member to the electronic device. The other side of the fastening member is extended beyond the housing such that one outer surface of the housing with the groove formed thereon is adapted to mount on and dispose parallel to a wall when the other side of the fastening member is secured onto the wall.

Abstract: A carrier that houses an external cable terminated at a male cable connector that mates with a female midplane connector on a midplane in a server blade computer is presented. The carrier includes side channel guides that align the carrier with the female midplane connector for a precise mating with the male cable connector. A light channel in the carrier captures light from a status light emitting diode (LED) at the midplane, and transmits that light to an externally visible end of the carrier.

Abstract: A cable mounting mechanism includes a bracket having an opening, and a cable having a perimeter groove that is mounted on the opening in such a manner that a perimeter of the opening is pinched between both sidewalls of the perimeter groove. A clip is mounted for preventing the mounted cable from being moved in a perimeter direction.

Abstract: An electrical fixture is disclosed that has an electrical enclosure, a knockout plug coupled to the electrical enclosure with an interference fit, and a seal coupled to a circumference of the knockout plug between the knockout plug and electrical enclosure so that the seal provides an environmental barrier between an interior and exterior of the electrical enclosure. A method is also disclosed for providing an environmental barrier for a tapered-threaded knockout of an electrical enclosure including placing a seal on a knockout plug and pressing the knockout plug into the tapered-threaded knockout to establish an interference fit between the knockout plug and tapered-threaded knockout. The knockout plug is detachably coupled to the tapered-threaded knockout, with the seal providing an environmental barrier between interior and exterior portions of the electrical enclosure.

Abstract: A combination outlet box is disclosed which allows for the termination of both line and low voltage field wiring at the same location within a standard single gang electrical outlet box opening. In addition, the combination outlet box allows for a variety of configurations for routing the line and low voltage field wiring while providing the required separation between line and low voltage field wiring. The combination outlet box also provides for sufficient outlet box volume for both line and low voltage field wiring.

Abstract: A pedestal enclosure for electronic components is provided. The pedestal enclosure includes a base section and a cover engageable with the base section so as to define an interior space. The bracket system has at least two side rails. The pedestal enclosure further includes a mounting arrangement for releasably mounting a bracket system to the base section. The mounting arrangement includes a channel section at a lower end of each of the side rails of the bracket system and a mounting part supported on the base section. Each of the mounting parts is configured and arranged to be received in and engage a respective one of the channel sections. The mounting arrangement includes a manually releasable locking mechanism.

Abstract: An electrical junction system includes a junction box specially configured to enhance electrical circuitry installation in buildings or other structures. The junction box is attached to a wall stud or other structure and electrical power is routed to the box. Installation of utility modules (such as a receptacle or switch) into the junction box requires no connection of wires. In addition, the depth at which the utility module is secured within the junction box cavity is advantageously adjustable to enable the face of the module to be mounted at a desired location, such as flush with drywall.

Abstract: The invention concerns a cable suspension arrangement for hanging luminaries including a holder for a cable which is vertical in the position of installation for suspending a luminaire at a cable holder point and a fixing region for fixing the luminaire to the suspension arrangement, wherein the fixing region has a center, wherein there is provided a mechanism for displacement of the cable holder point laterally with respect to the longitudinal direction in which the cable extends, relative to the center of the fixing region for the luminaire, or for displacement of the center of gravity of the luminaire, laterally with respect to the longitudinal extent of an associated luminaire, relative to the cable holder point of the luminaire housing.

Abstract: A prepackaged fan and fixture mounting assembly for securing an electrical fixture, such as a ceiling fan, light fixture, or similar device to an overhead joist or other suitable structure. The mounting assembly includes an electrical box having a closed top, a sidewall, and an open bottom that define an electrical wiring enclosure. Provided within the electrical box are integral holsters for temporary storage of device fasteners. A bracket is provided attached to a recessed area in the sidewall for securing the mounting assembly to an appropriate surface. An electrical fan or fixture is installed to the electrical box by removing the device fasteners from their respective holsters and securing them through the mounting ring of the electrical fixture and into the mounting assembly.

Abstract: A casing structure for electronic equipment is disclosed that allows electronic equipment to be easily assembled while providing sufficient electromagnetic wave shielding effects, and which allows the manufacture of electronic equipment at a low cost. The casing structure includes a case member having an opening, and an electronic equipment support member. The electronic equipment support member is mounted in an opening periphery of the case member, and has an opening shielding portion that closes the opening and a mounting periphery that is bent from the opening shielding portion to extend along the opening periphery. With the electronic equipment support member, the angle formed between the opening shielding portion and the mounting periphery is an angle that is 90 degrees or greater.

Abstract: An Aerial Inspection system is presented. The Aerial Inspection system includes an Aerial Inspection device. The Aerial Inspection device includes an upper section and a lower section. A passageway is formed within the Aerial Inspection device when the upper section and the lower section are connected. The passageway runs the length of the Aerial Inspection device. The passageway envelops a cable. Wheels connected to the upper section of the Aerial Inspection device protrude into the passageway and make contact with the cable. The Aerial Inspection device (e.g., the wheels) rests on the cable during operations. Cameras are positioned in the Aerial Inspection device to view the cable. As the wheels rotate, the Aerial Inspection device moves along the cable taking images of the cable. The cameras transmit images to a display for viewing or store the images for processing. As a result, faults in the cable may be detected and viewed from the ground or a remote location.

Abstract: A power distribution panel with a chassis defining an interior with a first opening and a second opposing opening. The panel including a module with a bottom, a first face and a second face, and including a power input terminal, a plurality of power output terminals, and an electrical circuit connecting each power output terminal to the power input terminal, each circuit including a circuit protection device. The power input terminal, the power output terminals and the circuit protection devices are mounted to one of the first or second faces. The module is configured to be received through the first opening and removably mounted within the interior so that the power input terminal, the power output terminals and the circuit protection devices are accessible through one of the first and second openings when the module is mounted within the chassis. A module including power distribution components and circuitry adapted to be removably mounted within a power distribution panel chassis.

Abstract: A non-gangable electrical outlet box which includes a pair of side walls with raised portions on the exterior surfaces. The raised portions have a pair of holding prongs, a pair of positioning tabs and at least one depression having a bottom surface and an aperture. The bottom surface of the depression is angularly disposed to the raised portion to facilitate insertion of a screw in the aperture though the front opening of the outlet box. The top wall, the bottom wall and the side walls are attached to each other and to the rear wall with at least one weld to form the outlet box.

Abstract: The present invention relates to a hub concealed by tabletop, where a top lid is joined to a bottom casing and a space within the hub is configured to receive multiple electrical components. The hub includes a plurality of resilient key buttons to be secured to the apertures formed on opposing sides of the base to allow the hub to rotate about the resilient key buttons over the base. The hub is rotatable to an exposed state in use or a concealed state when not in use by the engagement between two tennon devices and tennon openings of the base, wherein the base is further pressed into a circular opening preformed on tabletop by the opposing securing tabs so as to join to the tabletop. The hub may be rotated to expose out of the tabletop in use, and to be concealed underneath the tabletop when not in use.

Abstract: Systems and method for installing computer equipment and power distribution equipment in facilities is provided. In one aspect, the present invention provides a power distribution rack, and uninterruptible power supply rack and a plurality of equipment racks. A plurality of power cables are run from the power distribution rack to each of the plurality of equipment racks using power cable tracks located on the roofs of the equipment racks.

Abstract: The claimed inventions relate generally to electrical boxes that may be installed to a ceiling, and more particularly to electrical box ancillary devices, such as brackets and struts, that permit the carrying of heavy ceiling appliances such as ceiling fans and lighting fixtures. Disclosed herein are brackets and other devices for reinforcing ceiling electrical boxes to structural members, such as trusses and joists, against the load of fixtures including ceiling fans and lighting fixtures. Also disclosed herein are ceiling electrical boxes having built-in reinforcement. Further disclosed herein are other reinforcement structures, some including box molded parts therein, that additionally provide direct support to a ceiling fixture. Additionally disclosed herein, explicitly or implicitly, methods of using and installing those brackets, devices and boxes.

Abstract: A recessed electrical box with a closeable cover member. The box may include a flange that serves as a positioning arrangement to recess the electrical box at the correct depth with respect to the surface in which it will be mounted. The recessed electrical box includes of two pieces, including a one-piece electrical box and a one-piece cover member. The cover member is of minimal size with respect to the electrical box to minimize the cost of construction. The electrical box can be installed on an exterior wall, including either as a retrofit on a finished building or as an installation on the wall of a building under construction. The outward extending flange may include an inner flange for positioning the recessed electrical box with respect to the outer surface of the substrate on a building under construction. The inner flange is removable to facilitate installation in a retrofit situation, in which the finish layer such as siding, stucco, or masonry is installed.

Abstract: A housing for a spliced wire includes a base, a wall extending from an edge defining a perimeter of the base, and a cavity defined by the wall and base. The wall includes opposing sides each having an opening receptive to a wire therethrough. A cover is pivotally hinged to one edge defining the wall and is configured to close the cavity to an environment and protect a splice between each wire from the environment. A siding clip extends from either the base or wall and is configured to clip to siding of a building structure.

Abstract: A lift-type positioning structure for a lid of a bracket of a computer interface card havs a housing, a seat member, a lid and a positioning structure. The housing has a receiving slot for receiving the interface card, a rectangular slot over the receiving slot, and a horizontal platform extending perpendicularly from a lower edge of the rectangular slot. The seat member is mounted to the housing at an edge of the rectangular slot. The lid is pivotally connected to the seat member to be lifted up or down. The positioning device is operative to secure the lid at an open position.

Abstract: A tool for installing an electrical box is provided. The tool includes a holding assembly for holding an electrical box to be mounted on a framing member; a depth adjuster for positioning the electrical box a predetermined distance relative to a face of the framing member; and a height adjuster for positioning the electrical box a predetermined height relative to a floor, wherein the holding assembly includes a rectangular shaped holding member for holding the electrical box, wherein a width of the holding member is less than a height of an opening of the electrical box and the depth adjuster is L-shaped and has a first end for abutting the framing member to set the electrical box at the predetermined distance relative to the face of the framing member. The height adjuster includes a support member, e.g., conduit, for positioning the tool at the predetermined height.

Abstract: A prepackaged mounting assembly for securing a device, such as a ceiling fan, light fixture, or similar device to an overhead beam. The mounting assembly includes an L-shaped mounting box that includes a first and a second junction box. Each junction box includes an integral arcuate flange portion that cooperate to accept a separately supplied bracket thereon. The bracket includes slots therein and the integral flange portion includes downward extending alignment posts to enable easy centering of the bracket under the mounting box and the overhead beam. All hardware required to complete installation of the device is temporarily secured to the L-shaped box for shipment and storage, including an initial fastener and load bearing fasteners. The L-shaped mounting assembly is especially useful for mounting an electrical device to an existing ceiling.

Abstract: A casing structure for electronic equipment is disclosed that allows electronic equipment to be easily assembled while providing sufficient electromagnetic wave shielding effects, and which allows the manufacture of electronic equipment at a low cost. The casing structure includes a case member having an opening, and an electronic equipment support member. The electronic equipment support member is mounted in an opening periphery of the case member, and has an opening shielding portion that closes the opening and a mounting periphery that is bent from the opening shielding portion to extend along the opening periphery. With the electronic equipment support member, the angle formed between the opening shielding portion and the mounting periphery is an obtuse angle.

Abstract: A cabinet includes a first compartment for housing electronic equipment, such as equipment used to provide telephone service and/or voice and data networking services. The front of the equipment housed in the first compartment is accessible via at least one door. The cabinet also includes a second compartment accessible by a second door, on an opposite side of the cabinet. The second compartment is for housing a connection panel, which allows subscriber lines to be connected to provider lines and/or terminals of the electronic equipment. A partitioning wall separates the first and second compartments and includes an access port communicating the first and second compartments. When the connection panel is moved, e.g. pivoted by use of a hinge, a service technician can gain access to the rear of the electronic equipment housed in the first compartment via the access port.

Abstract: An electrical fixture is disclosed that has an electrical enclosure, a knockout plug coupled to the electrical enclosure with an interference fit, and a seal coupled to a circumference of the knockout plug between the knockout plug and electrical enclosure so that the seal provides an environmental barrier between an interior and exterior of the electrical enclosure. A method is also disclosed for providing an environmental barrier for a tapered-threaded knockout of an electrical enclosure including placing a seal on a knockout plug and pressing the knockout plug into the tapered-threaded knockout to establish an interference fit between the knockout plug and tapered-threaded knockout. The knockout plug is detachably coupled to the tapered-threaded knockout, with the seal providing an environmental barrier between interior and exterior portions of the electrical enclosure.

Abstract: An electrical rough-in box for a low voltage transformer is provided. The box has a removable cover with a low voltage transformer mounted there through. The removable cover contains a recessed portion for accommodating low voltage wiring. A sidewall of the box contains a channel for low voltage wiring, thus permitting flush mounting of the box against a wall stud.

Abstract: An insert bridges a junction box to provide a continuous path between consecutive pipes of an electrical wiring guideway. The insert includes a generally tubular body having a first end and a second end. The insert has a length that is sized to bridge a gap across the junction box and a diameter that is sized for sliding into a pipe of the electrical wiring guideway. A first flange surrounds the generally tubular body and is spaced from the first end thereof. A second flange surrounds the generally tubular body and is spaced from the second end thereof. The flanges abut opposing inner walls of the junction box to ensure that the insert is not lost into a pipe. A slit extends along the length of the insert to allow for removal of the insert once the electrical wiring has been laid.

Abstract: A cage mounting assembly includes a chassis (10), a supporting base (20) and a cage (40). The chassis includes a bottom wall (12), the bottom wall engages with the base. The base extends an arm portion (24), the arm portion forms a pair of pillars (34), each with a spring (38). The cage forms a pair of restraining tabs (54) thereunder corresponding to the pair of pillars of the base. Each tab defines a through hole (56). The cage is moved into the chassis, the pair of pillars of the base are respectively received in the through holes of the barbs. As the cage is continuously moved, the springs on the pillars are compressed, then the cage is fixed to the chassis. When the cage is disengaged from the chassis, the cage is pushed out from the chassis by the compressed springs.

Abstract: A cage mounting assembly includes a chassis (10), a locking member (20) and a cage (40). The chassis includes a bottom wall (12), the bottom wall engages with the locking member. The locking member extends an arm portion (24), and the arm portion forms a pair of pillars (34), each with a resilient member (38). The cage forms a pair of restraining tabs (54) thereunder corresponding to the resilient members of the locking member. When the cage is received into the chassis, the retaining tabs compress the resilient members, mounting the cage to the chassis. When the cage is disengaged from the chassis, the compressed resilient members push the cage out from the chassis.

Abstract: Access boxes installed within the main cabin of a commercial aircraft provide easier deployment of cables therein. The access boxes include smaller generally rectangular bodies having two openings providing passage of cables from under the main floor into the main passenger cabin to allow access to onboard services by passengers therein. The access boxes may be mounted using permanent fasteners or a removable type connection member. The access boxes are mounted as close to a seat floor track for use in deploying cables therethrough in the conduit of the seat floor track.

Abstract: An interworking interface module for telecommunication switching systems has multiple interworking terminal I/O ports, tracking terminal I/O ports, and system terminal I/O ports, and an indicator lamp are mounted on the external panels of a mounting frame. Multiple connection modules are attached onto the inner surface of a mounting frame used for setting up interconnection between the above terminal I/O ports. Each connection module comprises a switching means, such that a terminal separated from the system connection is automatically switched to connect to a terminal resistor to damp any line oscillation due to open connection. Using the connection modules to interconnect the above terminals of the invention, the present invention is able to reduce the necessary interconnecting components and simplify the procedures for assembling a transit exchange platform, while the original service quality with respect to a line connection is maintained.

Abstract: A work liquid storage apparatus of an electric discharge machine having a work tank (2) for storing a work liquid (5) supplied by work liquid supply (6) with a workpiece (4) placed in the work liquid (5), the work tank having an opening (2a), a door (12) for opening and closing the opening (2a), and a seal member (10) for hermetically sealing space between the work tank (2) and the door (12) includes support plates (13) each being formed with a long hole (13a) in an up and down direction, fixing (14) for fixing the support plates (13) and the door (12), and arms (15) each being rotatably supported at both end parts with the work tank (2) and the support plate (13). Since the door (12) can be held at the position covering the lower end part of the opening (2a) of the work tank (2) and the position exposing the lower end part of the opening (2a), maintenance work and replacement work of the seal member (10) can be performed easily.

Abstract: An electrical outlet box having alternative mounting flanges on opposite sides thereof for selectively mounting the box to a front surface of a wall stud or to a side surface of a wall stud. The box and mounting flanges are configured for use of either mounting flange with the box located on either of opposite sides of the wall stud.

Abstract: A wall mount chassis includes circuitry for telecommunications signals. The chassis includes a rear wall mountable to a vertical wall, and first and second sides. Each side includes a hinged cover. Each cover includes an access window for viewing an opposite side of the cover. On one side of the chassis is positioned at least one signal converter card for converting between optical and electrical signals. On an opposite side of the chassis are positioned one or more electrical power cards providing an access location for power to the circuitry. A CPU card can also be provided on the same side as the power card. An interior of the chassis includes a back plane positioned between the converter cards and the power and CPU cards wherein the back plane is perpendicular to the converter cards and power and CPU cards. A cable spool or a cable lance is positioned adjacent one of the sides for cable management.

Abstract: A power circuit section is adhered to a circuit arrangement surface on a heat radiation member to form a circuit assembly. A casing body is mounted on the heat radiation member. The casing body is provided with an opening that exposes at least the upper portion of the power circuit section. A shape retention member is disposed across the opening for interconnecting a peripheral edge of the opening to each other at a plurality of positions. A casing unit is made of a synthetic resin. The shape retention member suppresses a deformation of the casing body due to a shrinkage cavity. After cooling the casing unit, the shape retention member is removed to define a large opening, if desired.

Abstract: The claimed inventions relate generally to electrical boxes that may be installed to a ceiling, and more particularly to electrical box ancillary devices, such as brackets and struts, that permit the carrying of heavy ceiling appliances such as ceiling fans and lighting fixtures. Disclosed herein are brackets and other devices for reinforcing ceiling electrical boxes to structural members, such as trusses and joists, against the load of fixtures including ceiling fans and lighting fixtures. Also disclosed herein are ceiling electrical boxes having built-in reinforcement. Additionally disclosed herein, explicitly or implicitly, methods of using and installing those brackets, devices and boxes. Detailed information on various example embodiments of the inventions are provided in the Detailed Description below, and the inventions are defined by the appended claims.