Abstract: Methods of providing arc resistant switchgear enclosures for dry-type transformers are provided. The enclosures have one or more arc-resistant features, including arc channels, arc fault dampers, and arc fault plenums. In a preferred embodiment, the method comprises providing a base structure with a dry-type transformer seated thereon, providing walls and a roof, wherein at least the front wall contains at least one longitudinal seam covered by an arc channel.

Abstract: A support bracket article for enabling the adjustable positioning of an electrical box enclosure relative to the bottom of a framing member, and the supporting thereof in an interior wall section of a wall system under construction. The article is able to guide the adjustable positioning of the electrical box enclosure. It is also able to accommodate the supporting and adjustable positioning of the electrical box enclosure in a variety of framing studs and wall systems.

Abstract: A junction box includes a cable connecting box, a cover covering the cable connecting box and an o-ring sealing between the cover and the cable connecting box. The cable connecting box includes an insulative block, a plurality of contacting foils retained in the insultative block, a plurality of diodes connecting with two neighborly contacting foils and four walls surrounding around the insulative block. The cover defines a sealing slot for receiving the o-ring. The sealing slot has a bump at a place of the molding joint of the cover to enlarge a deformation of the o-ring for improving a waterproof effect of the junction box.

Abstract: An enclosure of an electronic device includes a plate. The plate defines a number of through holes. Each through hole has a pair of tabs connected to each other and with the through hole. Each pair of tabs are slantingly bent towards an inside of the enclosure. The enclosure with the shields can shield the electronic device from electro-magnetic interference.

Abstract: An electrical box includes a top side wall, a right side wall, a bottom side wall, a left side wall, and a rear side wall. At least one check valve is disposed through at least one of the top side wall, the right side wall, the bottom side wall, the left side wall, or the rear side wall. The check valve defines a central opening through which insulation may be introduced to fill an air gap at least one of behind or around the electrical box. The check valve includes a plurality of flexible fingers extending inwardly from the wall to a predetermined location to define the central opening. The flexible fingers are separated from one another by gaps. The flexible fingers are integrally formed with the wall.

Abstract: An adjustably mounting electrical device with one or more fixed yokes located perpendicularly to a face of the electrical device, one or more moveable yokes located perpendicularly to the face of the electrical device, and one or more adjustment screws inserted through the one or more fixed yokes and threaded into the one or more moveable yokes, the one or more adjustment screws capable of moving the one or more moveable yokes perpendicularly to the face of the electrical device. The system may comprise mounting flanges that may have threaded hubs or the system may further comprise an electric device having front and back shells moveable on a track in response to depression of a button allowing for movement of the back shell so that the electric device may be mounted having its front face coplanar with a front wall surface.

Abstract: An electrical box including at least four sides extending from a bottom to an open top and a front surface, a first outer tab extending from one of the at least four sides and proximate the front surface, a second outer tab extending from one of the at least four sides opposite the first outer tab and proximate the front surface, a first aperture adjacent the first outer tab, a second aperture adjacent the second outer tab, a first locking tab mounted within the first aperture, a second locking tab mounted within the second aperture, and wherein the first and second locking tabs slide towards the front surface for securing a mounting wall between the first outer tab and the first locking tab and between the second outer tab and the second locking tab.

Abstract: A cable management system includes a panel with a plurality of openings, each opening defining a similar configuration, each opening defining a first dimension and a second dimension, the first dimension being longer than the second dimension. A cable management structure is removably coupled to the panel, the cable management structure including a plurality of latching elements, each latching element defining a retaining portion received through each opening of the panel, each retaining portion having a first dimension that is smaller than or equal to the second dimension of the opening and a second dimension that is greater than the second dimension of the opening, wherein the cable management structure is coupled to the panel by inserting the retaining portion of each latching element through each opening and rotating the cable management structure in a first direction with respect to the panel.

Abstract: An electrical box may include a top side and a bottom side that are connected to one another by panels. Each of the top side and bottom side may include a front portion with a side edge, a front edge and a back edge, a back portion with a side edge, a front edge and a back edge, and an angled portion connecting the front portion to the back portion, the back portion being offset with respect to the front portion. The angled portion may include a transition edge that joins the back edge of the front portion to the back edge of the back portion. The transition edge may provide for space for maneuvering the electrical box aligned to a wall stud in a wall assembly out of the wall assembly through a hole in a drywall of the wall assembly.

Abstract: An electrical device assembly includes an electrical device and a plug connector adapted to be received thereby. The electrical device includes a housing having a rear surface and an aperture in the rear surface. A ground strap is connected to the housing and is adapted to secure the electrical device to an electrical box. A plurality of contact blades are disposed in the electrical device and are accessible through the aperture. One of the contact blades is a ground contact blade. A conductive member extends between the ground contact blade and the ground strap. The plug connector includes a plurality of contact members adapted to engage the plurality of contact blades in the electrical device. A plurality of wires extend outwardly from the plurality of contact members such that the plurality of wires are substantially parallel to the rear surface of the electrical device when the plug connector is connected to the electrical device, thereby providing an electrical device assembly having a low profile.

Abstract: A sensor system may include a wiring harness including at least one wire, a grommet, a nugget, a sensor, and a harness sleeve. The grommet may include at least one passageway configured to receive the wire. The nugget may include at least one terminal molded into the nugget and coupled to the wire. A mineral insulated cable may be coupled to the sensor and to the terminal. The harness sleeve may define at least one cavity configured to receive the nugget and at least a portion of the grommet. The harness sleeve may be coupled to the mineral insulated cable and may include a first crimp coupling the harness sleeve to the grommet. The exterior surface of the nugget may also include at least one radially disposed groove. The harness sleeve may also include a second crimp coupling the harness sleeve to the nugget, for example, about the radial groove.

Abstract: An enclosure for a recessed light in an attic is transformable between a first configuration in which the enclosure is flat and a second configuration in which the enclosure defines a housing. The housing has an opening at a bottom end for receiving the recessed light and an upwardly-facing surface opposite the opening. The upwardly-facing surface has a variable height relative to the bottom end.

Abstract: An assembly includes a mud ring and a detachable cover. The mud ring includes a planar surface including slots for mounting the mud ring to a utility box. The mud ring also includes a raised portion comprising side walls and end walls, the raised portion being elevated with respect to the planar surface. The detachable cover is connected to the raised portion by at least one hinged mechanism, the hinged mechanism being configured to be broken away from the mud ring.

Abstract: Combination mounting plate and cover assemblies for mounting an electrical outlet box on one side of a stud in a wall are provided. The mounting plate and cover assemblies are configured to receive an additional bracket and/or outlet box on an opposite side of the stud. The combination mounting plate and cover assemblies can be single unitary members serving the multiple functions of a raised cover ring, a box support, and a secondary bracket/outlet box support. Systems including combination mounting plate and cover assemblies having an electrical box and a bracket or second outlet box attached thereto.

Abstract: A home theatre cable and cord organizing apparatus including a cable and cord storage compartment having a mounting flange, a power strip receiving port, a removably attachable access plate composed of a material to which paint will adhere, and a plurality of mounting clips. The mounting flange in cooperation with the mounting clips allow for easy installation once an appropriately sized hole is created. With the storage compartment secured in place, the user has an opening from which to access and manage all necessary connection cables and power cords. Once all connections are made, the access plate can be removably attached to the storage compartment providing an aesthetic concealment of the connection cables and power cords until the user needs access at a later time.

Abstract: To provide an electrical junction box having a new structure that can be securely attached to a hole and can be readily removed even if a large clearance is required between the electrical junction box and a peripheral edge section around the attachment hole. An elastic projecting piece is integrally provided on a main body of an electrical junction box. The elastic projecting piece protrudes from an outer surface of the main body. The elastic projecting piece is provided with an engagement projection and an attachment projection that protrude outward from the main body opposite from each other in an extending direction of the elastic projecting piece to constitute an engagement fixing section. Elastic deformation of the elastic projecting piece permits the main body to be fitted into the attachment hole. A second inner peripheral edge portion around the attachment hole is clamped between the engagement and attachment projections.

Abstract: A configurable electrical box includes an electrical box having a wall structure that defines an internal space, a front open end, and a rear open end. The wall structure includes at least one pair of opposing walls. In addition, at least two slots disposed through at least one wall of the pair of opposing walls. A dividing plate is slidably coupled with one of the at least two slots and is positionable between an engaged position and an unengaged position. The dividing plate is in contact with both of the pair of opposing walls when in the engaged position.

Abstract: A gangable electrical unit for positioning an electrical component beside an electrical outlet box that includes a bracket having a wall structure that defines a front opening is disclosed. First and second arms extend from the bracket and may each include an attachment wall extending from a front edge of the bracket and a support wall extending from the bracket behind the attachment wall. The attachment wall may include an electrical box mounting aperture therethrough. The bracket is configured for attachment to an adjacent electrical device mounting box by aligning the electrical box mounting apertures of the first and second arms with electrical box mounting apertures of the adjacent electrical device box. In addition, a gap between the attachment walls of the first and second arms is larger than an outer wall height of the adjacent electrical device mounting box.

Abstract: An integrally formed spacer may include an upper body having a flat surface. The upper body may include a fastening tongue perpendicular to the flat surface and dimensioned to fit into a first fastening hole in a wall of an electrical box. In addition, the integrally formed spacer may include a lower body with at least one leg having a notch to receive the wall of the electrical box via a second fastening hole in the wall. Further, the integrally formed spacer may include a neck portion having two ends in a lengthwise direction of the integrally formed spacer, one end of the neck portion connected to the upper body and another end connected to the lower body.

Abstract: An electrical interface assembly configured to be supported within a wall of a mobile structure. The electrical interface assembly includes a frame having spaced apart inner and outer supports. Panels including electrical connectors are removably supported by the inner and outer supports.

Abstract: An electronic device is provided. The electronic device includes a housing, an elastic pad unit and an elastic element. An opening is formed on the housing. The elastic pad unit includes a pad and a pillar. The pillar has a first end and a second end, wherein the first end is connected to the pad, the pillar extends through the housing via the opening, a restricting portion is formed on the second end, and the restricting portion is located in the housing. The elastic element is disposed between the pad and the housing, wherein the pad moves between a first position and a second position relative to the housing, the restricting portion contacts a first part of the housing when the pad is in the first position, and the restricting portion is separated from the first part when the pad is in the second position.

Abstract: An outlet box assembly for separating and insulating higher voltage power conductors from lower voltage data conductors. The assembly includes a housing, a housing divider and a bracket. The housing including at least one vertically extending side wall defining an interior space therein. The housing divider disposed within the housing and extending across the interior space forming a vertical barrier between a first housing compartment and a second housing compartment. The bracket capable of having secured thereto at least one of the higher voltage power conductors and at least one of the low voltage data conductors. The bracket including at least one partition separating conductor compartments therein, the at least one partition extending vertically and substantially perpendicular to the divider. A floor of each conductor compartment extends across at least a portion of both the first housing compartment and the second housing compartment.

Abstract: A retrofit electrical outlet comprises an electrical box comprising one or more moveable braces coupled to linear brace actuators, whereby pulling on the linear brace actuator causes the brace to move toward the front end of the box to impinge a wall surface material between the brace and a front flange of the box. Releases may be included to allow for adjustment of the braces. The braces may move linearly or pivotally toward the wall surface material. The linear brace actuator may be stored within the wall for future use.

Abstract: A universal metal stud clip is a support mechanism for securing one or more electrical boxes or other construction components to metal construction elements such as metal studs. The opposed spring arm design permits the clip to be oriented in any useful way and frictionally secured to metal studs of varying dimensions. Metal stud clips include one or more pair of resilient arms to frictionally engage metal studs. Using two or more pair of resilient arms provides a very stable attachment to the metal stud.

Abstract: A storage case (300) includes a case body (320) formed by joining a plurality of members (301, 302) with a joint structure (303a, 303b, 304), an opening (16) formed in the case body (320), a closure member (14) capable of closing the opening (16), a seal structure (17) provided between the case body (320) and the closure member (14), and a foreign-matter guide portion (10) provided on an outer surface of the case body (320), aside from the joint structure (303a, 303b, 304), such that the foreign-matter guide portion is located above the seal structure in the vertical direction of the storage case.

Abstract: An electrical device cover comprises a base with an opening in a back wall of the base sized to receive an electrical device and a lid coupled to the base at a first base end through a hinge, the lid pivotable between and open position and at least one closed position. The base comprises a notch on a base wall extending away from the first base end. A first lid end is hingedly coupled to the first base end such that the first lid end is selectively adjustable with respect to the base toward and away from the second base end. A lid pin extends from the lid towards the notch when the lid is in at least one closed position wherein the lid pin seats in the notch when the first lid end is selectively adjusted toward the second base end.

Abstract: A method and structure of a system of electrical boxes including differing patterns of interference structures, such as ribs and/or grooves, to prevent identical boxes from being nested but permit non-identical boxes from being nested for more space-efficient storage of electrical boxes.

Abstract: An electrical box includes a back portion including a back wall and various side walls. Coupled to the back portion is an sliding ring portion including various side walls. The sliding ring portion is slidably mounted on the back portion such that there is an extended position with a first depth and a collapsed position with a second depth where the first depth is greater than the second depth. Prior to installation, the electrical box would be in the collapsed position in order to minimize the space occupied by the electrical box. When installed, the electrical box would be used in the extended position, such that the full depth of the electrical box can be used.

Abstract: A mounting bracket for spacing an electrical junction box at a distance away from a portion of a frame wall, the frame wall having a top plate, a bottom plate and one or more wall studs extending the top plate and the bottom plate, the electrical junction box having a back plate and one or more sidewalls extending from the back plate, the one or more sidewalls adapted to receive one or more electrical conduits, the mounting bracket having a back plate and an securement plate.

Abstract: A pre-fabricated ferromagnetic loop having a footprint characterized by a continuous wire shaped according to a predetermined planar pattern. In some embodiments, the predetermined planar pattern can be multiple contiguous polygons within a larger footprint used for establishing a sensor for the detection of moving vehicles. The footprint may include one of a triangle, a square, a rectangle, a rhombus, a parallelogram, an ellipse, or a circle, and/or other shapes or configurations. Similarly, each of the multiple contiguous polygons may include one of a triangle, a square, a rectangle, a rhombus, a parallelogram, and/or other shapes or configurations. A loop sensor housing is arranged to enclose a continuous loop sensor wire configured in the predetermined planar pattern. The prefabricated loop sensor is inserted in a groove web pre-cut in a receiving medium to match the predetermined planar pattern.

Abstract: A connecting member includes a cable, an enclosure, a shaft assembly member and an elastic member. The cable surrounds the shaft assembly member. The shaft assembly member is rotatablely mounted in the enclosure. The elastic member includes a first end and a second end. The first end is secured to the shaft member, and the second end is secured to the enclosure.

Abstract: A product according to one embodiment includes a metal panel having a main portion and a knockout portion formed therein, the knockout portion being coupled to the main portion by at least one web of metal contiguous to both the knockout portion and the main portion, the at least one web allowing detachment of the knockout portion from the main portion, wherein the knockout portion includes at least one member insertable in one or more apertures in the main portion for allowing re-coupling the knockout portion to the main portion after detachment therefrom.

Abstract: An electrical junction box adapted for mounting on a drywall without attachment to a stud. The junction box carries four tabs that pivotally move between a retracted position inside the junction box and an extended position extending through respective slots formed in the junction body sidewalls. The tabs are turned by a turning screw into a position contacting the drywall. A pair of flange members is secured to a front edge of the box for engaging the interior surface of the drywall. The tabs and the flanges support the weight of the junction box on the drywall.

Abstract: A tamper-resistant electrical receptacle includes a cover defining a set of cover apertures; and a slider defining an aperture therein and being movable between a first position blocking the set of cover apertures and a second position not blocking the set of cover apertures, wherein when an object probes at least one and fewer than all of the set of cover apertures, the slider is constrained in the first position. When a set of prongs is inserted simultaneously through the set of cover apertures, the prongs contact a slider surface that is oriented substantially orthogonal to a longitudinal axis of the set of prongs such that the slider is urged from the first to the second position. When in the second position the slider aperture aligns with at least one of the set of cover apertures to enable the set of prongs to contact the receptacle contacts.

Abstract: A universal type of electrical work box is mountable to studs for new work, or for old work whether stud-mounted or not. For mounting to studs, fastener blocks guide fasteners at an angle from the interior of the box. Alternatively, slide-in fastener plates which have integral fastener blocks can be used Optional recessed break-away flanges are provided to properly space the open end of the box from the front of a stud for new work use Flanges mounted flush with the open face of the box are used for old work whether stud mounted or not. When a box is to be mounted on wallboard or any wall covering away from a stud, rotating wings rotate 90 degrees away from the box wall and sandwich the wallboard between the tightened wings and the flush flanges are used.

Abstract: An enclosure adapted to be recessed into a wall is disclosed. The enclosure may include an access frame or base to which an access door or lid is hinged or otherwise movable. The access frame is adapted to be secured to a stud of the wall. The door, in a closed configuration, is adapted to be substantially flush with the wall itself. Accordingly, in a closed configuration, the housing substantially conceals or hides the contents of the enclosure. In certain embodiments, the contents could be wall-mounted electrical devices such as power outlets, thermostats, switches, alarm key pads or audio/visual controls, but in alternative embodiments, the contents can be ordinary objects such as keys, wallets, or the like. In any embodiment set forth herein, a recessed housing is provided to provide for storage space to the user while not substantially disturbing the overall appearance or aesthetics of the room.

Abstract: A junction box is adapted for flush and straight mounting in a hollow core of a masonry block, without the use of debris or the like in the core. The junction box has a thickness along a pair of side walls thereof defined by a separation of a generally-open front face from a generally-closed rear face. The junction box has a resilient tail-like member that extending away from the rear face of the junction box. The tail-like member has first and second ends with at least one bend or curvature along an intermediate portion and a length such that, in a compressed state, the second end bears against a first inside wall of the hollow core and at least portions of the junction box front face bear against an opposing second inside wall of the hollow core.

Abstract: An electrical switchgear cabinet for an electrical service distribution panel includes a rear wall having four corners and four side edges and a peripheral L-shaped first bent edge disposed on each of the four side edges; a first side wall with at least two bent edges; a base wall with at least two bent edges; and a first attachment part disposed at a first corner of the rear wall and insertable behind the first bent edges of two of the four side edges, wherein the first attachment part has two longitudinally running slots, a first slot receiving one of the at least two first side wall bent edges and a second slot receiving one of the at least two base wall bent edges.

Abstract: A gangable modular electrical box including separate modules that can be combined in various configurations to provide a desired amount of electrical enclosures on a wall. The modules include an end module and an optional inner module that are each molded in one piece of plastic. A rapid alignment and connection arrangement is included on the various modules to facilitate easy assembly of the modules at the job site without the use of sophisticated tools. The modules can be combined to form a two-gang, three-gang, or larger ganged box as desired. In the simplest configuration, two end modules can be combined to create a two-gang electrical box.

Abstract: A safety shutter for a power receptacle includes two identical sliding blocks engaged with each other and two biasing members. Each sliding block has a base and a platform extending from the base with a slanted surface. The slanted surfaces are disposed below the holes of the receptacle. The biasing members are helical torsion springs disposed at the end of the sliding blocks. The platform of each sliding block is disposed above the base of the other sliding block so the shutter normally blocks access to the conductors inside the receptacle. When two prongs of a plug are inserted into both holes, the prongs push on both slanted surfaces, causing the shutter to open. When a foreign object is inserted into only one hole, only one sliding block is moved by the foreign object and the base of the other sliding block still blocks access to the conductors.

Abstract: An electrical box mountable within a wall and installable from outside the wall. The box has a pan that includes a front flange for contacting an outer wall surface that extends outwardly from a sidewall. A back bracket is positioned opposite the front flange and adjacent to the back wall and a fastener having a shaft extends through the back wall to movably secure the back bracket to the back wall. No portion of the shaft extends behind the back bracket. The back bracket is movable relative to the pan between a first position adjacent to the back wall and a second position spaced farther from the back wall. The bracket and front flange are adapted for clamping a portion of a wall located between the front flange and back bracket when the back bracket is in its first position.

Abstract: A conduit box includes a first rear wall and a second rear wall spaced apart form the first rear wall to form a stair-stepped rear wall of the conduit box. The conduit box also includes a top wall, bottom wall, a first sidewall, and a second sidewall. The top and bottom walls have a substantial “L”-shape. The second sidewall has a length that is greater than the length of the first sidewall. The conduit box also include a rear sidewall extending from the first rear wall to the second rear wall.

Abstract: A handheld electronic device including a first body, a second body, and a rising mechanism is provided. The second body is stacked under the first body. A side of the second body facing the first body has a depression. The rising mechanism is connected between the first body and the second body. The rising mechanism is slidably coupled to the first body, so that when the first body and the second body are relatively spread, the first body slides relative to the rising mechanism. In addition, when the first body reaches a predetermined position, an end of the first body enters the depression, the rising mechanism drives the first body to rotate relative to the second body, and an upper surface of the first body and an upper surface of the second body form an angle.

Abstract: A new and improved method is provided for repairing or retrofitting cable management apparatus used in raised flooring systems constructed to deliver a source of building air, or HVAC, while managing cables passing through an access port constructed in the raised flooring structure without jeopardizing the underfloor plenum air delivery systems. A raised floor grommet assembly provides a grommet locking mechanism defining an assembly retention system that lockingly engages and removeably disengages a first section and a second section of the grommet assembly, and an access port locking mechanism that lockingly engages and removeably disengages an access port constructed in the raised flooring structure. The unique grommet assembly provides an efficient and effective method and apparatus designed for retrofitting cable management systems and accommodates system upgrades, workstation relocation, and HVAC management.

Abstract: A bracket and junction box assembly and method allows simplified wiring at a prefab production facility and at a construction site. A junction box including a detachable and reattachable rear cover plate is pre-assembled with a plaster ring, electrical device, and leads attached to the switch or outlet, at a prefab facility. A Metal Clad (MC) cable may be attached to the junction box and wires carried in the MC Cable may be connected to the leads. A mounting bracket is generally sandwiched between the junction box and the plaster ring for mounting to framing members at the construction site. Following assembly at the prefab facility, the prefab junction box is shipped to the construction site where the bracket and junction box assembly is mounted to framing members. Connections to wires carried by MC Cables are then facilitated by removing the rear cover plate to access the interior of the junction box.

Abstract: An electrical box includes a top side wall, a right side wall, a bottom side wall, a left side wall, and a rear side wall. At least one check valve is disposed in an opening through at least one of the top side wall, the right side wall, the bottom side wall, the left side wall, or the rear side wall. The check valve defines a central opening through which insulation may be introduced to fill an air gap at least one of behind or around the electrical box. A method for introducing insulation through the electrical box also is described.

Abstract: An outdoor metallic electrical outlet box that includes a back wall having a perimetrical edge and an interior portion; a side wall extending from the back wall to an open front to define a box interior; and one or more niches. Each niche has a base integrally formed in the back wall that extends inwardly from the perimetrical edge to the interior portion of the back wall to a recessed side wall and does not extend beyond the perimetrical edge of the back wall. The recessed side wall extends from the base to a point on the side wall of the box intermediate the base and the open front. The recessed side wall tapers towards the side wall of the box as it extends from the base and has a curved shape. Each base has a mounting screw aperture for attaching the electrical outlet box to a structure.

Abstract: A system for the adjustable suspension of electrical outlet, junction boxes or the like including in combination an elongated wire for attachment to an existing fixed overhead member, a wire gripper including a passageway therethrough, and a knockout engagement device that engages an opening in an electrical junction or outlet box and further includes an engagement mechanism for engaging the elongated wire as it passes from a fixed overhead member through the passageway to the engagement member and returns thereto through the passageway where it is secured by an appropriate screw, bolt or the like.

Abstract: To provide an electrical junction box having a new structure that can decrease the size of the electrical junction box and can provide a drain hole in a bottom wall to prevent water from entering the drain hole from the outside. A bottom wall 24 of a lower cover 20 is provided on an outer surface with a bracket fitting section 28. A separated bracket 14 is attached to the bracket fitting section 28. A relay box 10 is attached through the bracket 14 to a motor vehicle. Drainage holes 42a and 42b formed in the bottom wall 24 of the lower cover 20 are covered by at least one of the bracket fitting section 28 and the bracket 14.

Abstract: A mounting system for a member to a support structure. The member includes ends and sides. A hinge may be attached to one of the ends of the member. Hinges may be attached to both ends along the same side of the member. The hinge may include an arm from which a tab extends. The ends may include securing means. The support structure includes a mounting aperture that is configured to interact with the hinge of the member. In some embodiments, the support structure may have multiple mounting apertures. The mounting aperture is configured to prevent the hinge of the member from disengaging from the support structure. In some embodiments, the mounting aperture is configured to pivotally retain the hinge of the member.