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: Mounting assembly includes a junction box having a top wall and a downwardly extending side wall defining a cavity therein. A fixture support is provided on the junction box that has a first use position and a second use position, and the fixture support is movable from the first use position to the second use position. The junction box may include a fixture support attached to the junction box, and a first fixture fastener provided on the fixture support. The first fixture fastener may be sized for securing a first type of fastener. A second fixture fastener sized for securing a second size of fastener may be provided on the fixture support. The fixture support may be rotated between a use position for the first fixture fastener and a non-use position for the first fixture fastener. The first and second fixture fasteners maybe sized for receiving, respectively, different sizes of fasteners.

Abstract: A switch which includes an internal metal strap which is captivated by a top enclosure and a bottom enclosure with the top enclosure being configured to captivate the strap and provide an attachment point for a switch actuator. The bottom enclosure also functions to captivate the strap and provide an enclosure for electrical terminals. The strap has a substantially planar configuration and contains at least one member which functions to position and orient said strap in a predetermined location with respect to both the top and bottom enclosures.

Abstract: An enclosure for electrical components including a box with a hinged door or fastener attached cover and an interchangeable component management system and an interchangeable fastening system. The component management system includes a support member releasably fixed to an interior wall of the box and a mounting bracket positionable at locations along the support member. The interchangeable fastening system mounts on a raised portion on the exterior of the box.

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 security alarm sensor for mounting between two corner walls is described comprising a housing unit having a housing base for attachment to the corner walls and a selectively detachable housing cover; a circuit board sized for engagement within the housing unit; first and second openings on opposite sides of the housing base; first and second mounting pins selectively movable within the first and second openings wherein said mounting pins have a length and a range of movement so as to have a first position wherein the mounting pins are totally retracted within the housing unit and a second position wherein said mounting pins extend outwardly from the housing unit sufficiently to pierce the corner walls and securely hold the security alarm sensor in place. The installation of the alarm sensor is usually accomplished by first removing the housing cover from the housing base and detaching the printed circuit board prior to mounting the housing base to the corner of the wall.

Abstract: An access cover for a receptacle fitting includes a cover plate connectable to the fitting at a location overlying a receptacle carried by the fitting. An access door includes a first portion slidably connected to the cover plate for movement between open and closed positions. The access door also includes a second portion having a first end pivotally connected to the access door first portion. The second end of the door second portion pivots to a first position overlying the receptacle in response to movement of the access door first portion towards its closed position, and pivots to a second position at which the receptacle is exposed and accessible through the cover plate in response to movement of the access door first portion towards its open position. Pivot features are formed on the cover plate and/or the access door for imparting rotational forces on the door second portion as the door first portion is slid between its open and closed positions.

Abstract: Mounting assembly includes a junction box having a top wall and a downwardly extending side wall defining a cavity therein. A fixture support is provided on the junction box that has a first use position and a second use position, and the fixture support is movable from the first use position to the second use position. Mounting assembly may include a junction box with a fixture support attached to the junction box, and a first fixture fastener provided on a fixture support. The first fixture fastener may be sized for securing a first type of fastener. A second fixture fastener sized for securing a second size of fastener may be provided on the fixture support. The fixture support is moveable between a use position for the first fixture fastener and a non-use position for the first fixture fastener. The first and second fixture support may be movable, such as by rotation relative to a part of the junction box.

Abstract: An alignment apparatus (28) is provided for use with a supply column (16) including an outer shell (22), a mount (12) configured to couple the outer shell (22) to a ceiling (14), and a plurality of supply lines (24) positioned within the outer shell (22). The supply lines (24) are configured to be coupled to at least one of an electrical supply and a gas supply. The alignment apparatus (28) includes a body member (30) configured to be positioned on the outer shell (22) of the supply column (16), and a plurality of ports (34, 36) formed in the body member (30). The ports (34, 36) are configured to support the supply lines (24) in a predetermined pattern.

Abstract: A security alarm sensor for mounting between two corner walls is described comprising a housing unit having a housing base for attachment to the corner walls and a selectively detachable housing cover; a circuit board sized for engagement within the housing unit; first and second openings on opposite sides of the housing base; first and second mounting pins selectively movable within the first and second openings wherein said mounting pins have a length and a range of movement so as to have a first position wherein the mounting pins are totally retracted within the housing unit and a second position wherein said mounting pins extend outwardly from the housing unit sufficiently to pierce the corner walls and securely hold the security alarm sensor in place. The installation of the alarm sensor is usually accomplished by first removing the housing cover from the housing base and detaching the printed circuit board prior to mounting the housing base to the corner of the wall.

Abstract: An arragement for mounting a housing to a table. A mounting member includes a first wall adapted to be inserted into a housing and a second wall connected to the first wall and adapted to be secured to the table. The housing includes a guide for guiding the first wall into the housing. A positioning tab is provided on the second wall parallel to the first wall.

Abstract: A self-adjusting end cap for capping an object having an opening. The end cap includes a base that has an inner and an outer surface, at least one post connected to the base inner surface, and at least one rib extending outwardly from the post. The rib is adapted to fit in a channel in an opening of an object to be capped. When the end cap and object are aligned for connection, the rib extends beyond an inner wall of the channel. A portion of the rib is sheared off by the inner wall of the channel upon insertion of the post and rib in the channel, thereby positioning the end cap within the object. The posts in combination with the ribs create a precise and tight friction fit between the end cap and the object. Preferably, the end cap has two posts, each with a rib extending outwardly therefrom, and the object has two channels, each having an inner wall. The outer edges of the ribs are separated by a first distance, and the channels are separated by a second distance.

Abstract: An enclosure for electrical components including a box with a hinged door or fastener attached cover and an interchangeable component management system and an interchangeable fastening system. The component management system includes a support member releasably fixed to an interior wall of the box and a mounting bracket positionable at locations along the support member. The interchangeable fastening system mounts on a raised portion on the exterior of the box.

Abstract: A light fixture assembly and installation structure capable of both hanging and suspended applications in which a desk lamp suspending rod is tightly fastened to the circumferential edge of a switch box, wherein a mounting block has extending from its lateral end a rectangular passage and the suspending rod has at its bottom end a rectangular insertion rod for fastening that matches the shape of the passage, thereby providing for the insertion and tight positioning of the suspending rod in the passage. The mounting block has situated at the inside of the switch box a platform, with a retainer hinged to each of its two sides and, furthermore, the free ends of the retainers normally project into the passage. Installed to the top surfaces of the retainers is a positioning spring fastened by means of a bolt and, furthermore, the positioning spring is normally in a compressed state.

Abstract: A device bracket, or outlet box assembly, has openings for receiving projecting portions of an electrical outlet device, or other socket defining device, such that one of these projecting portions can be hooked in place by the installer, so that the other projecting portion can be pushed into place in a one handed installation step. The said other projecting portion being resiliently deformable so as to latch into place.

Abstract: A modular holder for suspending conduit and junction boxes from a support surface by a single hanger wire or threaded rod. The holder has an elongate body with a central threaded bore extending along a longitudinal axis and opposed flat ends, a first transverse threaded bore disposed intermediate the opposed ends extending through the body along an axis perpendicular to the longitudinal axis, and a second transverse bore disposed near one of the opposed ends extending through the body along an axis perpendicular to the longitudinal axis. The holder body may be suspended in a vertical position by a hanger wire looped through the second transverse bore or screwed onto the bottom end of a threaded rod whereby the lower end of the body is connected to a conduit hanger or a junction box.

Abstract: An electronic device comprises one or more electronic components, including flip-chip semiconductor devices, chip resistors, capacitors and inductors and other components, electrically interconnected to an electronic substrate by solder bump interconnections and having a rigid adhesive underfill bonding between the electronic component and the substrate. The rigid adhesive underfill is a preform of an insulating thermoplastic and/or thermosetting resin, or a combination thereof, having a high modulus of elasticity and high glass transition temperature. Preferably, insulating adhesives having a higher melt-flow index are employed to facilitate formation of a void-free bond between the component and the substrate and of a fillet around the edges of the flip-chip or other component, thereby to provide a moisture barrier and additional mechanical strength.

Abstract: Apparatus in the form of a box unit or box assembly is disclosed for mounting in an opening in a wall wherein the apparatus is mounted from the front of the wall. A box body is positioned in the opening in the wall and anchored there to the wall by a flange located at least partly behind the wall and another flange in front of the wall. Embodiments of the present invention disclosed include electrical junction boxes.

Abstract: A wiring device includes a one piece metal strap having end portions adapted to be attached to a junction box, a central opening, and a ground plate integral with the mounting strap having a first portion extending parallel to and adjacent the mounting strap, and a second portion substantially at right angles to the mounting strap.

Abstract: An improved mounting bracket is closed which can be used to selectively support both 4 inch square electric boxes and 4{fraction (11/16)} inch square electrical boxes such that vertical movement of either type of electrical box is limited. The mounting bracket is preferably a one-piece, unitary member stamped from sheet metal. The mounting bracket has a top support rail, a bottom support rail and a pair of mounting ends coupling the support rails together to define a large, elongated central cut-out portion. An electrical box and its associated cover may be mounted between two wall studs by first attaching the mounting bracket of the present invention to the wall studs. The open front end of the box is then placed flush against the rear surface of the bracket such that a top portion of the box contacts the bottom rail of the bracket.

Abstract: The threaded wallplate mounting lobes of a mounting strap are eliminated and replaced by a retainer made of thin, hard brass sheet metal. The retainer has a body portion fixed to the mounting strap at each of its two ends and an apertured lobe which takes the place of the lobes of the mounting strap. By contouring the shape of the apertures in the retainers, mounting fasteners may be forced through such apertures to assemble a wallplate to a mounting strap without the usual mating of fastener and threaded mounting lobes.

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: An electrical wiring switch and receptacle leveling and protector plate includes a substantially planar base plate having an opening of a size to receive an electrical terminating component including a wiring switch, receptacle, or connector disposed thereon, a notch of a size to hold an outlet box mounting screw disposed an extent of an inner peripheral edge bounding the opening, and a gap of a size to receive a cover plate mounting screw disposed thereon offset below and aligned with the notch. The electrical wiring switch and receptacle leveling and protector plate also includes a substantially planar piece with a notch of a size to hold an outlet box mounting screw disposed on an extent of an outer peripheral edge thereof and a gap of a size to receive a cover plate mounting screw disposed thereon and offset above and aligned with the notch.

Abstract: A cabinet for housing first and second pieces of electrical equipment and having a first compartment adjacent a second compartment for housing the respective first and second pieces of electrical equipment. The cabinet has a first cover member overlying at least a portion of the first compartment and a second cover member overlying at least a portion of the second compartment and defining a seam therebetween. The cabinet also has a barrier positioned between the first and second compartments and extending generally transverse to the cover members. The barrier includes a wall and a drip channel, where the drip channel is integrally formed with the wall and extends longitudinally adjacent the seam to resist penetration of water into the cabinet.

Abstract: A positioning cylinder to close positioning holes in both the upper and lower casings of a branching junction box so as to prevent dirt and moisture from entering. The positioning cylinder is preferably integral with the upper casing and hollow so as to allow it to fit over a positioning pin employed as a locator during the assembly of the junction box. The positioning cylinder not only closes the holes that are in the upper and lower casing of the junction box, but also stabilizes the busbar substrates that are in the junction box and provides for a more integral and secure junction.

Abstract: An electrical outlet assembly includes an electrical receptacle having a body with a face. At least one female plug is associated with the face, and at least two exposed terminals are associated with each plug. Each exposed terminal is connected with and carried by the body. A cover is separate from and removably coupled with the electrical receptacle and substantially entirely covers at least one exposed terminal.

Abstract: An improved mounting bracket can be used to selectively support both 4 inch square electrical boxes and 411/16 inch square electrical boxes such that vertical movement of either type of electrical box is limited. The mounting bracket is preferably a one-piece, unitary member stamped from sheet metal. The mounting bracket has a top support rail, a bottom support rail and a pair of mounting ends coupling the support rails together to define a large, elongated central cut-out portion. An electrical box and its associated cover may be mounted between two wall studs by first attaching the mounting bracket of the present invention to the wall studs. The open front end of the box is then placed flush against the rear surface of the bracket such that a top portion of the box contacts the bottom rail of the bracket.

Abstract: An electrical outlet box is provided for assembly with a base to define an enclosed space for receiving an electrical outlet device such as a duplex plug. The plug includes threaded fasteners that are received in uniquely configured hardened steel clips. These clips are preassembled with the box for this purpose. Each clip includes an upper portion of U-shape for receiving the flat stock provided at the top portion of the box. Each clip has depending panels that cooperate to define a V-shape such that the apex of the V defines a slotted opening for receiving the threaded fastener as a result of a push-in motion. The edges of the slotted opening act on the threaded portion of the fastener to prevent its withdrawal except by unthreading.

Abstract: An electrical device mounting assembly includes a box having a top wall and a side wall extending downwardly therefrom for defining a junction box cavity therein. A fixture support is disposed in the cavity adjacent to the side wall. The fixture support includes a bottom plate extending away from the side wall, and a threaded extension disposed on the bottom plate. The fixture support may include a pair of spaced apart fixture supports. Each of the spaced apart fixture supports may be sized for supporting a ceiling fan or a light fixture. An adhesive, such as a piece of double-sided tape, may be provided on the top wall of the junction box. The adhesive assists in the installation of the junction box by adhering the junction box to a support surface for a sufficiently long period of time so that the user may have both hands free for holding fasteners and attaching the fasteners to the support and, thus, supporting the junction box.

Abstract: A wiring device support for supporting electrical devices such as duplex receptacles, switches, Decora switches or ground fault circuit interrupters. The C-shaped wiring device includes a ramp portion on the top inside perimeter of the C, a tapered notch portion on another end of the inside perimeter of the C, and an integral rib extending substantially around the inner periphery of the C. The wiring device support may be used to support an existing electrical device which is loose or has sunken into a wall by loosening the existing electrical device, sliding the wiring device between the electrical device and the electrical box, and retightening the screws.

Abstract: An electrical fitting support device includes a housing having a cylindrical tubular wall with a first open end and a base end opposite to the first end. A base is provided at the base end of the housing, and is constituted by two base walls extending at right angles to each other from a central longitudinal plane of the housing and being adapted to fit over a protruding corner edge of two adjoining building walls. An inlet formation is joined to the base and includes a hole for receiving an electrical conductor. A number of protrusions extend from the housing at its first end and have threaded holes for receiving screws for fitting a lid over the open end. At least two spaced apart lugs are provided extending outwardly from the housing and each of the lugs has an aperture for receiving a fastening element for attachment of the housing to a protruding corner edge of two adjoining building walls.

Abstract: A three component electrical outlet box suitable for surface mounting is provided with a base having both locating legs and relatively rigid upstanding posts that are adapted to receive one of a plurality of covers, each cover having inwardly projecting lugs in its flexible side walls to be received in openings defined for this purpose in the posts. An electrical device such as a duplex plug with threaded fasteners supplied thereon is adapted to be assembled with the outlet box as a result of the fasteners being received in unthreaded openings defined in the top wall of the box or cover. The flexibility of the box side walls coupled with a bisector slot provided in each top wall end portion parallel the side walls assures entry of the threaded fastener without threading, and removal of the fastener only by unthreading or by manually spreading the slots side walls.

Abstract: A cable holding device for holding a communication cable beside an electrical power outlet box. The cable holding device comprises a frame having a main portion and an integral base portion, extending at a right angle to the main portion of the frame, for attachment to the side wall of a power outlet box with a front face of the main portion of the frame preferably substantially coplanar with a front face of the outlet box defined by the front edges of the walls of the outlet box. The frame has at least one tab to which a communication cable may be secured. A variety of tabs are disclosed, some of which have a hole connected with an access slot for receiving the cable. The tab may be manually bent to enlarge the slot to allow passage of the cable to the opening after which the slot may be at least partially closed to retain the cable in the opening.

Abstract: An electric heating assembly adapted to be mounted onto and plugged into a wall-mounted electrical outlet includes a heating unit having a plug member an a back wall, thereof which is directly mateable with a power receptacle of the electrical outlet. The heating assembly also includes a mounting clip for securely coupling the heating unit to the electrical outlet so that the heating unit will not become inadvertently disengaged therefrom. The mounting clip includes a generally rectangular base portion securable to the outlet plate of the electrical outlet with the screw used to mount the outlet plate. The mounting clip also includes a pair of legs which extend away from the base portion and which mate with a pair of holes formed in the back wall of the heating unit above the plug member.

Abstract: A wiring device of the type which by itself is configured for surface mounting is made more universally mountable by an adapter plate to which the device may be joined and the adapter plate joined to any of a number of different outlet box configurations. In addition and alternatively, a wiring device so described may be further utilized with a portable box on which it is mounted, which portable box has sidewalls with cord openings communicating to the device. All such configurations are designed for compactness and shallowness from a front face which may provide a plurality of outlet openings. In addition, the wiring device of the present invention utilizes a snub hole wiring termination configuration that facilitates installation.

Abstract: A power receptacle and nested line conditioner arrangement is provided for office partition systems and the like of the type having electrical power incorporated therein. The arrangement includes a power receptacle having a modular construction with a quick-disconnect that enables the same to be mounted at selected locations throughout the office partition system, and provide either conditioned or unconditioned power. The arrangement also includes a line conditioner having a quick-disconnect to couple the same with an associated receptacle. The line conditioner has a housing in which selected circuitry is encased, with a substantially C-shaped side elevational configuration comprising a web and opposite flanges defining a channel therebetween. The channel is shaped to closely receive an associated portion of the receptacle therein, such that the line conditioner nests around the rear face, and upper and lower walls of the receptacle, wholly within the ends of the receptacle, for increased space efficiency.

Abstract: An electrical junction box for supporting a hanging load includes a base plate and a sidewall extending from it. The base plate has a pair of square bolts holes at opposite positions next to the sidewall. The sidewall has a pair of tabs bent inward, each tab having a bolt hole aligned with one of the square bolt holes. A square necked carriage bolt extends through each square bolt hole and its aligned tab bolt hole, with a lock nut on each of the bolts for supporting the hanging load. A spacer sleeve surrounds each of the bolts, between the base plate and the tabs, forming a rigid structure when the nuts are tightened. The sidewall further includes mounting holes for side mounting of the junction box for a supporting structure, permitting flush mounting of the box relative to a ceiling.

Abstract: A ceiling mounted fan and light assembly remotely controlled by radio signals propagated by a remote transmitter with the transmitter having independent controls for the fan and light respectively. The receiver has two channels and is responsive to the signals for setting the power supplied to the fan drive motor and light respectively at different levels so that the rotational speed of the fan may be set at various different levels and the illumination of the light may be set at various different levels.

Abstract: A control box (10) for a ceiling fan including a housing (12) having front and rear faces (14,16) and a chamber (18) within the housing (12) for containing a remote control circuit (20) and an antenna (22). A slot (24) extends into and through the housing (12) for disposing the housing (12) around a support post (26) of the ceiling fan. Fasteners (46,62) mount the housing (12) on the ceiling fan support structure (34). A variety of O-rings (52,58,60) can be used to adapt the housing (12) to other ceiling fan support structures.

Abstract: A ceiling mounted fan and light assembly remotely controlled by radio signals propagated by a remote transmitter with the transmitter having independent controls for the fan and light respectively. The receiver has two channels and is responsive to the signals for setting the power supplied to the fan drive motor and light respectively at different levels so that the rotational speed of the fan may be set at various different levels and the illumination of the light may be set at various different levels.

Abstract: A battery-operated device having a passive charging mode and an active discharging mode is combined with a support, which supports the device in its charging mode. The support is integral with a plate which is to be positioned on a wall. The plate may be a replacement cover plate which may be substituted for a cover plate of a conventional A.C. wall outlet. The device includes a short power cord having a plug at its distal end. A D.C. current pulse producing circuit, preferably a solid state integrated circuit is housed within the plug. The D.C. current pulse producing circuit is especially useful as a battery-charging circuit.

Abstract: A mounting bracket having multiple bayonet coupling elements which interengage with the bayonet coupling elements located on the body of an electrical instrument to be attached to a junction box. Additionally and in combination with the bayonet coupling elements, on the bracket and instrument body respectively, are included a pawl and ratchet arrangement for providing fine rotational adjustment while a toothed spring finger attached to the bracket engages a notched annular wall on the instrument body so as to latch and further secure the bracket to the body. It is anticipated that the mounting bracket will have to be attached to any one of several types of junction box thereby necessitating a multidirectional coupling arrangement for properly attaching the subject instrument to the particular junction box encountered.

Abstract: A direct plug-in electrical device, such as a charging system including a transformer in a housing, is provided with fastening means adapted to engage anchoring means on a conventional outlet, thereby enhancing the load-carrying capability of the outlet.

Abstract: The invention pertains to a swag kit for ceiling mounted fans wherein the kit includes a flexible electrical conductor supported within a chain, the upper region of the chain being connected to a ceiling plate while the lower region of the conductor connects to a switch box containing a switch for the fan, and may also include a light switch. A line cord is connected to a switch within the switch box, and the ceiling plate functions to electrically isolate the fan connections from the ceiling in compliance with code regulations. Conductor strain relief means are provided at both the ceiling plate and switch box, and a chain receiving hook is homogeneously defined upon the ceiling plate to support the chain without tensioning the conductor.

Abstract: A metal bracket which can be quickly and easily attached to an installed electrical box to replace an electrical device mounting ear which has been accidentally knocked off after installation of the box.

Abstract: An electrical switch or receptacle box for mounting in a wall, ceiling or the like, including a pair of opposite side walls having retaining studs of triangular or wedge-shaped configuration molded integrally therewith, and terminating rearwardly from the open forward side of the box. The box further includes a pair of integrally molded cover plate flanges which flank the opening at the forward side of the box. Each of the flanges carries a metal insert-receiving lug on the rear side thereof, and each of these lugs is slotted to engage an apertured metal insert which is positioned to receive through an aperture therein, a mounting screw extended through the respective flange and used to mount a cover plate carrying a switch or electrical receptacle on the box.

Abstract: An electrical junction box for supporting a hanging load includes a base plate and a sidewall extending from it. The base plate has a pair of square bolts holes at opposite positions next to the sidewall. The sidewall has a pair of tabs bent inward, each tab having a bolt hole aligned with one of the square bolt holes. A square necked carriage bolt extends through each square bolt hole and its aligned tab bolt hole, with a lock nut on each of the bolts for supporting the hanging load. A spacer sleeve surrounds each of the bolts, between the base plate and the tabs, forming a rigid structure when the nuts are tightened. The sidewall further includes mounting holes for side mounting of the junction box for a supporting structure, permitting flush mounting of the box relative to a ceiling.