Abstract: A recessed electrical outlet assembly for recessing a duplex receptacle or similar electrical device within a wall. The recessed electrical outlet assembly includes an electrical box and a frame member. The electrical box includes sidewalls and a back wall defining a cavity therein. The cavity is capable of receiving an electrical device therein. The frame member includes a laterally extending flange and a rearward-extending collar that is received within the sidewalls of the electrical box. Alignment tabs are provided on the sidewalls of the electrical box to enable easy alignment against a stud in either a new work or retrofit situation. Bosses provided on the outer sidewalls of the electrical box are angled away from the sidewalls and toward the front of the electrical box and include captive fasteners to simplify the installation of the recessed electrical outlet assembly to a wall.

Abstract: A wire fixture (27) is for fastening power wires (246) of a heat-dissipating fan (24) to a supporting surface of a heat dissipation device (20). The heat dissipation device is for dissipating heat from a heat-generating electronic component. The wire fixture includes a catching portion (278) for being attached to an end of the supporting surface, a fixing portion (272) disposed with adhesive thereon, for being fixed to an opposite end of the supporting surface, and a covering portion (276) formed between the catching portion and the fixing portion and being without adhesive spread thereon, for urging the power wires of the heat dissipating fan to the supporting surface. The catching portion is without adhesive thereon.

Abstract: A surface mounted support assembly that is alignable with an electrical box installed at any position. A first bracket is adapted to be secured to the support and has a plurality of openings adapted to receive wiring from an electrical box secured to the support. A cover is connected to and disposed over the first bracket the first bracket. A cover ring is connected to the cover and adapted to receive an electrical fixture.

Abstract: A security block for securing I/O ports of an electronic instrument physically prevents any breach of data through a protected I/O port, such as a USB port, by securing cables that may be plugged into the port by means of a locked cover. The cables are prevented from being removed and USB memory devices are prevented from being connected in their place. In a second aspect, a portion of the security block covers unused I/O ports thereby preventing USB memory devices and other devices from being connected to unoccupied I/O ports. The locking mechanism can be either a padlock, or a locking screw, or the like.

Abstract: A lighting kit includes all the components necessary to install a lighting fixture on a support post or pole. The components are made of polymeric materials to provide an electrically nonconducting enclosure attached to the support post and the fixture. A collar made of fiberglass reinforced polymer is attached to an electrical junction box. The collar has a tubular projection for connecting with the fixture. Spacer blocks are pivotally attached to the junction box and to the support post securing the kit to the post.

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 signal converter cards 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 is positioned adjacent one of the sides for cable management. Cable clips are provided for securably retaining one or more cables adjacent each of the first and second sides.

Abstract: A combination electrical box and mounting bracket assembly is provided which includes an electrical box and a mounting bracket attached to the electrical box. The mounting bracket is configured and dimensioned for enabling the mounting bracket to be secured to a truss joist, especially to a floor truss joist, such as a TGI floor I truss joist. The mounting bracket is contoured to resemble the shape of a portion of the floor truss joist at which the mounting bracket is secured to. The combination assembly significantly reduces the force applied to the electrical box by electrical equipment and/or devices connected to wires/cable received by the electrical box as compared to prior art mounting brackets by distributing the force to a larger surface area of the mounting bracket and truss joist.

Abstract: A universal junction box, which includes multiple methods for securing cables, various kinds of wires and conduits and multiple methods for securing the box within a wall cavity. The front side of the box which can be positioned flush with the installed wall covering includes fittings for attaching a wall plate, switches, plugs, connectors, and electrical/electronic devices to the box. The junction box allows the addition of an extension to the rear of the junction box for a between-wall design for the installation and attachment of similar devices on an opposing wall surface through the same junction box. The junction box also engages extensions to the side of the junction box allowing two or more ganged box configurations, which share the multiple methods for securing the junction box within a wall cavity.

Abstract: The invention pertains to an electrical box assembly having a support structure for use in securing electrical enclosures, housings or boxes or the like to a stud. Upon insertion of the stud into a stud-receiving cavity of the assembly, a movable tab is pivoted to press one or more prongs into engagement with the stud. Pivoting of the tab may continue until the tab is locked in place whereupon the electrical enclosure is secured to the stud in compliance with code requirements without the need for such secondary operations as driving a separate fastener into the stud; the box now being secured with sufficient rigidity to satisfy local code enforcement.

Abstract: An electric junction box, disposed in a water penetration region, which accommodates bus bars inside a case body thereof and has fuses (fusible links connected with the bus bars. An upper cover and a lower cover are mounted on the case body 11 with the case body, the upper cover, and the lower cover connected with one another. An entire peripheral wall of the upper cover is formed not as a double-wall construction, but an inner peripheral surface of the peripheral wall is brought into contact with an outer surface of an entire peripheral wall of the lower cover (or case body) to lock the peripheral wall and the entire peripheral wall of the lower cove to each other. In a watertight region including at least the fuses, a rib is projected in the shape of a frame from an inner surface of an upper wall of the upper cover so that the rib surrounds the watertight region.

Abstract: A mounting bracket for electrical junction boxes has two sides to which electrical junction boxes for adjacent rooms may be attached. The mounting bracket is interposed between parallel vertical stud members. A plurality of electrical junction boxes may be attached to either side of the mounting bracket.

Abstract: An adapter plate to provide a stable supporting transition between the curvature of an exposed log in a log-construction building and electrical components to be installed into the log includes a substantially flat front side, a curved back side, and a center opening. The back side is provided with a smooth curvature complimentary to the curvature of the exposed log surface for snug installation thereto and tracking engagement therewith. The center opening is sized to slidably receive an electrical box into which the component is to be installed. The front side is configured to support the electrical box and for snug installation of the cover plate. The adapter plate is configurable for use with one or more electrical boxes ganged together. The adapter plate conceals the entire electrical box and the space between the component and the log.

Abstract: A device for more reliable and rapid securing to or within a component. The device incorporates therein or independently uses a substantially flexible member to secure the device within the component.

Abstract: A scalable mass interconnect device having a receiver assembly with module mounting members positioned in the receiver frame in a direction parallel to a plane of movement of the engagement cams in the receiver. Modules are mounted in the module mounting members such that the modules are perpendicular to a plane of movement of the engagement cams in the receiver.

Abstract: In an electrical junction box for an automobile vehicle, a casing includes upper and lower casing members. A lock section joints the upper and lower casing members. A vehicle attachment section extends outward from an outer surface of the casing above the lock section. A bracket projecting from a vehicle body is inserted upward into the vehicle attachment section to fix the electrical junction box onto the vehicle body. The electrical junction box comprises a lock protection section including right and left ribs that project from the outer surface of the casing on the opposite sides of the lock section so that the right and left ribs extend to a position higher than the lock section. A distance between the right and left ribs is set to be smaller than a width of the bracket.

Abstract: A recessed electrical box with a breakaway cover. The cover member is rotatably attached to the electrical box and will slip off the box, without any damage to the electrical box or the cover member, if an excessive force is applied to the cover member while it is in the open position. Use of the recessed electrical box positions an electrical device substantially behind the surface of any structure. One or more flanges may be included on the exterior of the electrical box to enable easy positioning with respect to the structure's exterior surface. The flanges may be removable to facilitate installation in a retrofit situation on a finished building.

Abstract: A system having a removable protective enclosure for an electronic component. The protective enclosure may have a base and a circuit board that may be captured by the base without use of a tool or a separate fastener. A memory module may be disposed on the circuit board. The protective enclosure may be adapted to be mechanically and electrically coupleable to an enclosure.

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: A universal junction box, which includes multiple methods for securing cables, various kinds of wires and conduits and multiple methods for securing the box within a wall cavity. The front side of the box which can be positioned flush with the installed wall covering includes fittings for attaching a wall plate, switches, plugs, connectors, and electrical/electronic devices to the box. The junction box allows the addition of an extension to the rear of the junction box for a between-wall design for the installation and attachment of similar devices on an opposing wall surface through the same junction box. The junction box also engages extensions to the side of the junction box allowing two or more ganged box configurations, which share the multiple methods for securing the junction box within a wall cavity.

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 partition structure of in a computer casing provides a partition with two guide grooves and a joining member with two engaging parts corresponding to the guide grooves respectively. Each of the guide grooves has an upper opening, a locating part and a lower opening respectively for engaging with engaging parts of the joining member. One of the guide grooves is shorter and the upper opening and the lower opening 322c are wider than rest part in the respective guide groove for facilitating the joining member 23 being assembled to or disassembled from the partition 32 handily.

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: 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: An electrical box is removeably anchored in an insulated foam building wall panel. The electrical box comprises a receptacle that is inserted into a recess cut in the foam panel. Assembled to the receptacle back wall are one or more tabs. The tabs are pivotable from a storage position inside the receptacle to a working position whereat they project through slots in the receptacle and embed in the foam panel. The tabs are assembled to the receptacle by pivoting members, each comprising a screw that is turnable from outside the receptacle. The pivoting member may produce a friction torque on the tab by gripping the tab between the screw head and a nut. Alternately, the tab may have a non-circular hole that matches and receives a section of the screw to produce a positive torque on the tab. A drag is also produced on each tab to prevent unintentional pivoting.

Abstract: A two-piece swivel hanger assembly generally includes a mounting plate mountable to an electrical outlet box, a swivel element and an access door slidably attached to the mounting plate. The mounting plate has a central opening forming at least part of a swivel element seat and has a portion thereof removed to define an access opening within the mounting plate. The swivel element is movably seated in the swivel element seat and partially protrudes through the central opening of the mounting plate. The access door is sized and shaped to fully cover the access opening of the mounting plate when the access door is in a closed position and is further slidable on the mounting plate in a radial direction toward the central opening to the closed position thereby movably retaining the swivel element within the swivel hanger assembly.

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: An electrical box is provided that is easily adaptable for ganging to an adjacent electrical box. The electrical box includes a body member having a pair of opposed side walls, a rear wall contiguously formed between the pair of opposed side walls, a pair of opposed guides bounding the body member and integrally formed therewith, and a pair of opposed tabs disposed between the pair of opposed side walls and integrally formed on the pair of opposed guides.

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.

Abstract: A position adjustable outlet box system. The system has an outlet box cage, a mounting plate to which the outlet box cage is attached (having a outlet box aperture formed therein), an outlet box that is slideably retained in the outlet box cage, and a drywall ring having a projecting neck portion, which drywall ring is attachable to the outlet box. An adjustment mechanism is provided to permit adjustment of the depth position of the outlet box in the outlet box guide cage. The adjustment mechanism can includes a bolt that freely rotates along its axial axis (but does not move axially relative to the outlet box cage), a threaded shaft that screws into a threaded hole in a back wall of the outlet box and turning means that is accessible from within the outlet box to permit the outlet box's depth position within the cage to be adjusted as needed.

Abstract: A fluid release system for removing water within secondary conduits which contain electrical cables extending between a transformer and an electrical meter. The system includes a release valve having a side opening for release of water collected therein. The system further includes a flap connected to pivot between a closed position covering the side opening, and an open position for removal of water collected from secondary conduits connected to the release valve. The release valve is connected to secondary conduits extending between the transformer and the electrical meter installed on an exterior wall of a residential or commercial building. The fluid release system removes water from the secondary conduits before water is transferred to the electrical meter therefore minimizing water damage to the electrical meter and associated circuit breakers. A method of releasing water from within secondary conduits by operation of the release valve is also disclosed.

Abstract: An exterior mounting block for electrical fixtures includes a plastic block having a nailing flange and screw holes adapted to support either a duplex outlet or a light fixture. The holes are spaced either along the central axis of the block for a duplex, or spaced diagonally relative to each other on sidewalls to support a light fixture. The block is formed from a white, fire-resistant material and includes a cover plate formed from a non-fire-resistant material or from a metal material.

Abstract: A junction box and ballast circuitry assembly including a ballast housing for attachment to the junction box. The junction box is provided with two opposed open ends, one of the ends being in alignment with a side of the ballast housing and the opposed open end being adaptable for electrical communication with a lighting fixture. The junction box is provided with brackets on opposed sides for alignment with outwardly extending tabs on opposite sides of the ballast assembly to receive a fastening bolt through the tab and an opening in the aligned bracket.

Abstract: A container is provided, including a housing having a plurality of walls that define an inside and an outside of the housing; and at least one dual-sided outlet arranged on at least one of the walls, the dual sided outlet having a first electrical supply point arranged on the inside of the housing and a second electrical supply point arranged on the outside of the housing; wherein each of the first and second electrical supply points is configured to detachably couple to at least one respective electrical appliance, and each of the first and second electrical supply points is configured to provide electrical power to the at least one respective electrical appliance.

Abstract: A multi-piece structure for mounting an electrical fixture to the side of a building. The structure includes an electrical box having four side walls and locating supports extending radially from said side wall. This fits within the inside of a mounting block with an intermediate plate between the front wall of the mounting block and the opening surface of the electrical box. The electrical box and plate can be formed from fire resistant material permitting the mounting block to be formed from a non-fire rated material. A metal plate can be positioned over the mounting block to provide the appearance of a brass structure. The structure includes two pairs of mounting holes permitting one to attach light fixtures or electrical outlets.

Abstract: A fixing structure for extension cards includes a set of extension slots, a positioning element and a resilient plate. The positioning element engages on an external side of the set of the extension slots, and the resilient plate is fixing on an internal side of the set of the extension slots. A folded edge of the resilient plate is inserted through a first mounting slot of the positioning element to firmly secure the positioning element on a computer casing. A stem of the resilient plate is pulled toward an inside of the computer casing to release the folded edge of the resilient plate from the first mounting slot of the positioning element so that the positioning element is pushed upward to disengage from the set of extension slots.

Abstract: A transceiver module which is easily and conveniently assembled, and which is reliable. The transceiver module comprises a housing, an optoelectronic subassembly, a receptacle, a chassis and a PCB. The optoelectronic subassembly is received in the receptacle. Conductive leads of the optoelectronic subassembly are soldered to the PCB. The chassis is attached to the PCB with screws, and accommodates and protects the PCB. The housing comprises a top housing and a bottom housing. The top housing is attached to the chassis and the receptacle. The top housing and bottom housings are attached together, enclosing therein the receptacle, the chassis and the PCB.

Abstract: A wire connection device is used in a ceiling lamp. The connection device comprises a retaining seat engaged to a wire box and an inserting rod inserted into an interior of the retaining seat. A plurality of via holes are formed around a periphery of the wire box. A lateral side of the retaining seat extends with an engaging portion, and a polygonal inserted hole is formed in the engaging portion. The engaging portion is inserted into the wire box. The retaining seat has a step-like receiving hole; the receiving hole being installed with a buckling unit for buckling the inserting rod. A portion of the inserting rod is a polygonal rod; a lateral side the polygonal rod has a buckling hole which is aligned to the receiving hole of the retaining seat; and the buckling hole exactly resists against the buckling unit.

Abstract: An engine control module 10 is provided, including a die-cast base portion 12 having a plurality of die cast post elements 24. A cover element 14 is positioned such that each of the plurality of die-cast post elements 24 project through a plurality of cover holes 34 formed in the cover element 14. The plurality of die-cast post elements 24 are staked such that the cover element 14 is secured to the base portion. 12.

Abstract: A horizontally extending brace secured across ceiling beams is coupled with an externally threaded metal rod whose lower ends extend into an electrical box rated at a given weight limit to thread with a reducing coupler at one end, at an opposite end of which a nipple is arranged to thread, with the nipple receiving the electrical cables passing upwardly from an electrical fixture connected with it, such that the weight of the fixture threaded to the nipple is supported substantially only by the coupler, the nipple, the metal rod and the horizontally extending brace, and not by the electrical box.

Abstract: An enclosure includes a base unit and a cover unit that snaps into the base unit easily, but is difficult to remove from the base unit without knowledge of the appropriate disassembly technique. The appropriate disassembly technique includes the application of pressure at key regions of the base assembly. The application of pressure at the key regions distorts the base assembly so as to disengage key portions of the cover unit from the base unit. The cover unit includes protrusions having an inclined surface and a flat surface. The inclined surface facilitates manufacturing assembly, and the flat surface encumbers the disassembly of the enclosure. The application of pressure at the key regions distorts the base unit so that the flat surfaces of the protrusions on the cover unit are disengaged from the base unit. In a preferred embodiment, the base unit is a resilient insulating material, such as plastic, and the cover unit is a shielding and heat sinking material, such as sheet metal.

Abstract: A U-shaped metal member for securing a circuit component to a circuit board in place of conventional screws and nuts. The element is inserted through aligned holes of the component and the board and is wave soldered to the board for permanent securement.

Abstract: An electrical junction box or mounting assembly includes a box having a top wall and a side wall. The side wall extends downwardly away from the top wall and defines a cavity therein. A fixture support is disposed on the box. The fixture support may be disposed inside or outside the cavity of the box. By locating the fixture support outside the cavity of box, the user can see how strong the fixture support is. The fixture support may be made of metal, and the side wall and/or top wall may be made of plastic. A friction surface, such as fluting, may be provided on the fixture support for engaging with the junction box for preventing rotation and other relative movement of the fixture support relative to the box. An adhesive sufficiently strong to adhere the junction box to a support surface may be provided on one of the walls of the junction box. The adhesive may be in the form of double-sided tape.

Abstract: In one embodiment of the present invention, an apparatus for retaining a printed circuit board includes a hollow shell structure having an aperture and an inner slot for receiving the printed circuit board and a mounting bracket including a frame portion for receiving the shell structure. A rim extends around the perimeter of the aperture and flexible flanges extend from at least a portion of the rim. The flexible flanges include a neck portion and a lower tab that provide means to retain the shell structure in the mounting bracket. The inner slot is sized to fit snugly around the perimeter of the printed circuit board when the printed circuit board is inserted in the shell structure. The shell structure is constructed of a dielectric material that substantially insulates the printed circuit board from electro-static discharge and/or other types of electrical damage or interference, as well as shock and vibrations.

Abstract: A power transfer device adapted for interconnection with the electrical system of a building includes a cabinet, a set of switches mounted to the cabinet, and a first set of wires for connecting the switches to an electrical distribution panel associated with the building electrical system. The power transfer device includes a terminal compartment associated with the cabinet, a set of power input terminals located within the terminal compartment, and a cover removably connected to the cabinet for alternatively preventing and permitting access to the terminal compartment. The cover is provided with an optional power input and meter arrangement adapted to be interconnected with the power input terminals for selectively supplying and measuring levels of power provided from a source of auxiliary power connected to the power input terminals.

Abstract: A communications conduit connector mounting device comprising a support member having a forwardly directed front surface and a rearwardly directed rear surface spaced from the front surface, the support member having a thickness defined between the front surface and the rear surface, an aperture extending transversely through the support member throughout the thickness of the support member opening through both the front surface and the rear surface, a slotway extending transversely through the support member throughout the thickness of the support member open through both the front surface and the rear surface laterally from the aperture to a side of the support member. Preferably, the mounting device includes a hook member coupled to the support member for suspending the support member.

Abstract: An electrical box and a holding device for use therewith is disclosed. The holding device can be a flexible plastic bag-like container having a first wall coupled to a second wall and forming a substantially enclosed inner receiving area. A mounting fastener such as fan or fixture mounting screws are temporarily secured within the receiving area of the container. A box mounting screw extends completely through the container and extends through a side of the electrical box to temporarily secure the container and the electrical box to a structure; such as a joist. The fan or fixture mounting screws are then accessible for removal from the container and can be used to further fix the electrical box and the fan or fixture to the joist. The electrical box also has a pair of slots for receiving the fan or fixture mounting screws. Each slot has two areas for receiving a screw with a knockout between the areas. The knockout can be removed if the screw must be positioned between the two areas.

Abstract: An electrical box for supporting ceiling fans, the electrical box has a top portion and a side portion extending completely around the top portion and extending substantially perpendicularly to the top portion. The top portion has a substantially planar lower surface, and the side portion has two oppositely spaced tabs extending inwardly toward each other. Each of the tabs has an opening extending completely therethrough. At least one mounting hole is formed in either the top portion or the side portion or the corner formed between the top and side portions. The mounting hole or holes each have a hole axis inclined with respect to the lower surface of the top portion. Each mounting hole extends completely through the wall between an inner cavity of the electrical box and an area outside the wall. The electrical box can have various mounting brackets attached thereto for securing the electrical box to a support member such as a joist or a truss.

Abstract: A method and implementing system are described in which planar board or motherboard stiffness is provided through a support structure mounted to the planar. The support structure includes support bars connected together to form a stiffening structure for the motherboard. The support bars are mounted within planes which are substantially perpendicular to the plane of the motherboard and in proximity to electrical connectors on the motherboard which are arranged to have circuit boards connected thereto. A board mounting apparatus is connected to the support structure to enable and guide the insertion and extraction of circuit boards to the motherboard with only enclosure side panel access. In one example, the circuit boards include guide pins which are inserted into slots of a mounting bracket, and the mounting bracket is selectively moved to exert an insertion or extraction force on a pin connector attached to the circuit board relative to a corresponding connector on a motherboard.

Abstract: An electrically insulated cable having a sheath made of a material which is heat-fusible to a polyamide or polyester resin so that a highly waterproof joint portion can be formed between the cable and a housing simultaneously when the housing is injection-molded from a polyamide or polyester resin. The sheath is made from a crosslinked resin composition comprising a thermoplastic polyurethane elastomer and a thermoplastic polyester elastomer mixed together in a weight ratio of 80:20 to 20:80. A housing is provided around one end of the sheath of this cable by injection-molding polyamide or polyester engineering plastics to fuse the sheath to the housing, thereby hermetically sealing the interface between the cable and the housing. The sheath may be made from a crosslinked resin composition comprising a thermoplastic polyurethane elastomer and a thermoplastic polyamide elastomer mixed together in a weight of 80:20 to 10:90. It is possible to seal the cable to a housing made of polyamide engineering plastics.

Abstract: An improved electrical ceiling box including a top portion bounded by a peripheral side portion, with a pair of diametrically opposed ear lugs rigidly secured to the side portion. Each ear lug has a pair of ears integrally formed therewith extending inwardly into the interior cavity of the box. A first ear fits within a recess formed in the bottom edge of the box, while a second ear extends through a slot formed in the side portion of the box. The second ear has a mounting hole formed therein adapted for threaded engagement with a self-tapping screw, while the first ear has a receiving hole formed therethrough for supporting the distal end of the screw. In a preferred embodiment, the box has a substantially hexagonal configuration. In an alternative embodiment, the box has a circular configuration and is shallower, thereby eliminating the need for a pair of slots for receiving the first ears.