Abstract: A light board mounting system includes a fixture frame having a planar surface and a plurality of alternating bosses disposed along a length of the fixture frame. The system also includes a light board having a first side and a second side, a plurality of lights disposed along a length of the light board on the first side, and a pair of electrical contacts coupled to the plurality of lights and mounted to the second side of the light board and extending away from the second side. In addition, the light board mounting system includes a first edge and opposing second edge of the light board secured to the planar surface of the fixture frame between the plurality of alternating bosses, the second side of the light board being adjacent to the planar surface of the fixture frame and the pair of electrical contacts extending through the planar surface.

Abstract: A receptacle breakaway system for power pedestals includes an electric power receptacle having a body and mounting ears with an axis passing through the body and mounting ears. A mounting plate having a hole passing there through is configured for passage of the receptacle's body wherein the mounting ears engage a face of the mounting plate. A first retainer is rigidly coupled to the mounting plate at a first position offset from the receptacle's axis. The first retainer extends at least partially over a first of the mounting ears. A second retainer is rigidly coupled to the mounting plate at a second position offset from the receptacle's axis. The second retainer extends at least partially over a second of the mounting ears. The receptacle's axis passes between the first position and second position.

Abstract: Various implementations of grounding cross connectors are disclosed. The grounding cross connectors may be used to clamp together two or more, often perpendicular, conductors. In some implementations, a grounding cross connector includes an upper clamping pad and a lower clamping pad held together by a pair of threaded fasteners. A pair of perpendicular conductors may be placed in between the clamping pads and secured together by torquing nuts on the threaded fasteners. The upper clamping pad may include a hook through which one of the threaded fasteners may pass, thereby allowing the upper clamping to rotate relative to the lower clamping pad.

Abstract: A header connector comprising a frame for receiving an interface portion. The header connector comprises at least two interface portions. Each interface portion comprises a side wall portion that protrudes inwards into the frame opposite to the mating direction. The side wall portion has an outer side wall surface and an opposing inner side wall surface. A lock protrusion transversely protrudes away from the outer side wall surface into the frame perpendicular to the mating direction. The frame comprises an interior undercut space at least partly defined by the bottom wall and the inner side wall surface. The interior undercut space is occupied by a portion of the frame, preferably by means of over molding.

Abstract: An electronic device includes a housing, a locking assembly and a battery demountably disposed on the housing and including a first engaging portion. The locking assembly includes a limiting element, a pressing element and a linking element movably disposed on the housing and includes a second engaging portion. The first and second engaging portions engage, allowing the battery to be fixedly disposed on the housing. The limiting element is disposed on the housing and includes first and second limiting portions. The pressing element is connected to the linking element and disposed at the first limiting portion to fix relative positions of the first and second engaging portions. When the pressing element separates from the first limiting portion and moves to the second limiting portion, the linking element drives the second engaging portion to separate from the first engaging portion, causing the battery to separate from the housing.

Abstract: A grounding block includes a conductive grounding surface configured to electrically ground a wire to a grounded structure, a retention member rotationally fixed about an axis orthogonal to the grounding surface and slidable toward and away from the conductive grounding surface in a direction parallel to the axis, and a biasing element configured to apply a first force to the retention member in the direction toward the conductive grounding surface to electrically ground the wire to the housing to satisfy a first regulatory requirement. A fastener is operative to apply a second force to the retention member in the direction toward the grounding surface to apply a mechanical load to satisfy a second regulatory requirement.

Abstract: A wiring device for fastening in an electrical box is presented including a strap having first and second mounting holes to facilitate fastening of the wiring device to the electrical box, the first and second mounting holes lying on an axis parallel to a longitudinal axis and a housing having a face, the face having an area which is divided into first and second regions by a lateral axis, the lateral axis being perpendicular to the longitudinal axis. The wiring device further includes a first low voltage port being accessible through a first low voltage port aperture, a second low voltage port being accessible through a second low voltage port aperture, a third low voltage port being accessible through a third low voltage port aperture, and a fourth low voltage port being accessible through a fourth low voltage port aperture.

Abstract: A separate connection device (40) intended to be inserted between a metal frame (3), of an electrical component (1), and a metal supporting structure (20) in order to connect, electrically and separately, the frame to the supporting structure. The connection device (40) comprises a metal blade manufactured from spring steel which comprises two self-connecting end areas (45, 46) arranged in separate planes and comprising a set of sharp teeth (47) arranged in order to be embedded within the metal material and formed on a folded section of the metal blade so that the sets of teeth (37, 47) extend in opposite directions and in planes intended to intersect the planes of the frame (3) and of the supporting structure (20) when the connection device is mounted.

Abstract: A grounding block is provided. The grounding block includes a means for fastening and a formed metallic block. The formed metallic block further comprises two or more flanges, where each flange is configured to accept the means for fastening. The formed metal block further comprises a uniform clearance formed into the underside of the grounding block between the flanges and a hole formed through the grounding block configured to accept a bolt. Various embodiments include angled surfaces to optimize assembly ergonomics and variable depth to optimize the mass of the blocks.

Abstract: A mechanical grounding connector is provided for connecting at least two conductors. The connector is comprised of a first, second and third body section which have channels that allow for installation of conductors between each of the body sections. The channels of each body section lie at 90 degree angles such that conductors can be installed in a parallel or transverse arrangement. Bolts are used to hold together the first, second and third body sections of the connector and allow the body sections to be separated from one another by loosening the bolts to install conductors, without the need to completely remove the bolts from the connector.

Abstract: An electrical connector is provided with a conductive body sized to be inserted into a printed circuit board (PCB) aperture. The body has an external profile that is not round to inhibit rotation relative to a corresponding aperture in the PCB. The body has a round aperture formed therein for receipt of an elongate conductive fastener. A circuit board assembly is provided with a PCB aperture that is not round for receipt of the connector. A circuit housing assembly is provided with a housing with an aperture. A conductive stud extends through the PCB aperture and the housing aperture. A conductive nut is mounted on the stud adjacent to the connector. A vehicle power interface is provided with a power supply with a conductive connector received upon the stud on an external side of the housing. A conductive nut is mounted on the stud adjacent to the power supply connector.

Abstract: A mechanical grounding connector is provided for connecting at least two conductors. The connector is comprised of a first, second and third body section which have channels that allow for installation of conductors between each of the body sections. The channels of each body section lie at 90 degree angles such that conductors can be installed in a parallel or transverse arrangement. Bolts are used to hold together the first, second and third body sections of the connector and allow the body sections to be separated from one another by loosening the bolts to install conductors, without the need to completely remove the bolts from the connector.

Abstract: A flat roof racking system configured for receiving solar panels having electrically conductive frames, the racking system comprising substantially parallelly disposed panel support structures, spacer bars and retaining and grounding clips pairs, each panel support structure comprises a first end, a second end, a top member having a first channel section connected to a second channel section and two ends, and a bottom member having a channel section and two ends. The first and second channel sections are disposed in a plane but at an angle from one another and each end of the bottom member is fixedly connected to an end of the top member such that the top member is configured to make a first tilt angle at the first end with the bottom member and a second tilt angle at the second end with the bottom member.

Abstract: A ground bar assembly includes a ground bar for attaching to grounding conductors and a conductive mounting bracket directly attached to the ground bar. The conductive mounting bracket is configured to space the ground bar apart from a mounting surface. An isolative mounting bracket and varying ground bar assemblies, for differing functions, are also provided.

Abstract: A grounding clip for electrically bonding at least three objects in one action. In use, the grounding clip is interposed between at least three objects such that the first and second banks of teeth are configured to penetrate the objects to electrically bond them. The grounding clip has a planar body, a pair of opposingly disposed first banks of teeth that extend downwardly and outwardly from the planar body at an angle. There is also a pair of opposingly disposed second banks of teeth formed of a rotatable plate disposed in a plane at an angle and extending downwardly and outwardly from the planar body. The second banks of teeth terminate in a plurality of second teeth disposed upwardly and in an angled plane with respect to the rotatable plate.

Abstract: A cable connector with an oblique ground adapter includes a main body, a cable adapter and a ground adapter. The main body is formed with a vertical main plate and a side plate. The main plate has one side extended integrally with the side plate. The cable adapter secured on the main plate has an interior bored with a cable insert hole having a shaft line formed along a shaft center, longitudinally defined to have a perpendicular line to be intersected with the first shaft line. The ground adapter obliquely mounted on the side plate has an interior disposed with a threaded hole, having second shaft line formed along the shaft center of the threaded hole and slanting toward the perpendicular line to be intersected and formed with an acute angle, diminishing the breadth and volume of the side plate for lowering manufacturing cost of cable connectors.

Abstract: A grounding clip for electrically bonding at least three objects in one action. In use, the grounding clip is interposed between at least three objects such that the first and second banks of teeth are configured to penetrate the objects to electrically bond them. The grounding clip has a planar body, a pair of opposingly disposed first banks of teeth that extend downwardly and outwardly from the planar body at an angle. There is also a pair of opposingly disposed second banks of teeth formed of a rotatable plate disposed in a plane at an angle and extending downwardly and outwardly from the planar body. The second banks of teeth terminate in a plurality of second teeth disposed upwardly and in an angled plane with respect to the rotatable plate.

Abstract: A socket arrangement having a housing, in particular a built-in housing, bearing at least one socket, preferably a plurality of sockets, the socket having an electrically conductive flange inserted into a housing opening, and a contact carrier which is inserted into the flange and which has one or more electrically conductive contacts for connecting to countercontacts of a plug corresponding to the socket. In order to effectively divert high-voltage discharges from the flange, a conductive element situated in the housing and having an introduction portion which is connected in an electrically conductive manner to a portion of the flange inside the housing, has a diversion portion which is connected to a diverter.

Abstract: According to one embodiment, a battery unit comprises a plurality of cells and a case to contain the cells. The case includes a first part to contain at least one cell, a second part to contain at least one cell, and a third part to connect the first and second parts. At least a portion of the third part is made thinner than the first and second parts.

Abstract: A coaxial cable connector assembly includes a bracket defining an upright locating plate and a horizontal holder plate, a coaxial cable connector fastened to the upright locating plate for the connection of a coaxial cable, and a grounding wire connector consisting of an externally threaded male connector member and an internally threaded female connector member and fastened to the horizontal holder plate to hold a grounding wire for discharging of magnetic waves, surge or shocks occurred during signal transmission through the coaxial cable to avoid system damage and to assure signal transmission stability.

Abstract: An external grounding arrangement for a fiber access terminal includes a lug extending through a housing of the terminal. The lug is connected to strength members of a fiber optic cable extending to the terminal by a clamp about the cable within the terminal and a rod extending from the clamp to the lug.

Abstract: A wedge of a cable connector grounding device includes a body. One side of the body is formed with a spirally conjunct seat inside which a concave spirally conjunct slot is formed. Two concave slots opposite to each other are formed. At the bottom of spirally conjunct slot, a position limiting groove is formed from the concave slots towards the center and a concave camber is formed along the circumferential wall toward the center. A wedge crest line is defined at a section of connection between the concave camber and the position limiting groove. A packing unit is provided and spirally connected to the spirally conjunct slot. The packing unit may be used to tighten the lead wire passing through the position limiting groove for achievement of the longitudinal position limiting. The wedge crest lines are used to wedge the lead wire transversally and tighten the lead wire.

Abstract: A surface mounting lug terminal formed of a metallic plate having terminal leads and positioning projections can readily be positioned on a printed board with high precision by fitting the positioning projections into positioning cutouts formed in the printed board. The terminal leads of the surface mounting lug terminal can easily be soldered to land patterns on the printed board to secure the surface mounting lug terminal onto the printed board irrespective of the number of terminal leads. The surface mounting lug terminal can be reduced in size, thus to contribute miniaturization of electronic circuits.

Abstract: A wedge of a cable connector grounding device includes a body. One side of the body is formed with a spirally conjunct seat inside which a concave spirally conjunct slot is formed. Two concave slots opposite to each other are formed. At the bottom of spirally conjunct slot, a position limiting groove is formed from the concave slots towards the center and a concave camber is formed along the circumferential wall toward the center. A wedge crest line is defined at a section of connection between the concave camber and the position limiting groove. A packing unit is provided and spirally connected to the spirally conjunct slot. The packing unit may be used to tighten the lead wire passing through the position limiting groove for achievement of the longitudinal position limiting. The wedge crest lines are used to wedge the lead wire transversally and tighten the lead wire.

Abstract: A grounding bracket for use with cable connectors, such as an F81 barrel connector, generally including a conductive body having a first major surface, a connector receiving area defined in the first major surface and adapted to receive the cable connector therein, and a latch member movably connected to the first major surface and positioned in communication with the connector receiving area.

Abstract: The instant invention overcomes the difficulties encountered with respect to mounting electrical wiring devices to a common box and then positioning the devices relative to each other prior to attaching a wall plate. Some of the difficulties encountered are positioning the wiring devices to be in alignment with each other, locating the wiring devices to be parallel to each other, adjusting the spacing between the different devices to be equal and uniform and fixing all of the devices to be flat against the wall. The alignment pins, when engaged by the close clearance locating openings, accurately positions the wiring devices to allow a wall plate to be placed around the wiring devices without requiring any initial or subsequent adjustment. Each set of alignment pins on the alignment plate can be located on a vertical axis which accurately defines the center for the wiring device. The opening in the wiring device receives and holds captive a set of alignment pins.

Abstract: The invention relates to an electrical earthing nut (1). In the past these have sometimes vibrated loose, with the result that a failsafe safety device has been rendered inoperable. The invention overcomes this problem by providing a nut (1) that has a nut body (2) having an internal thread (4) to receive a threaded shaft and an external perimeter shaped to receive a tensioning device such as a spanner. Body (2) has opposing generally planar faces 5,6. Threaded apertures (7A, 7B, 7C) are p nut body to receive a bolt (8A) to secure an earth connector (8B) to the nut body (2) and grub screws (8C, 8D). F 9B, 9C, 9D) are provided on planar face (5) to scrape or cut into a surface against which the nut is to abut. Earthing used with a cable gland.

Abstract: Disclosed herein is a member for mechanically and electrically connecting two or more objects, including an insulation body having a plurality of coupling holes for coupling the objects formed therein, a plate-shaped conductive strip mounted at the rear surface of the insulation body in the diagonal direction of the insulation body while the conductive strip is isolated from the front surface of the insulation body, the conductive strip having connection holes formed at opposite ends thereof such that the connection holes communicate with the insulation body, and a connecting bar constructed such that the connecting bar can be inserted into the corresponding connection hole of the conductive strip while the strip is connected to the objects. The connecting member accomplishes excellent mechanical connection and stable electrical connection of objects, easy assembly and disassembly, and low possibility of short circuits.

Abstract: A surface mounting lug terminal formed of a metallic plate having terminal leads and positioning projections can readily be positioned on a printed board with high precision by fitting the positioning projections into positioning cutouts formed in the printed board. The terminal leads of the surface mounting lug terminal can easily be soldered to land patterns on the printed board to secure the surface mounting lug terminal onto the printed board irrespective of the number of terminal leads. The surface mounting lug terminal can be reduced in size, thus to contribute miniaturization of electronic circuits.

Abstract: According to one embodiment, an electronic apparatus includes a conductive layer provided on an outer surface of a housing, a conductive member provided inside the housing, and a connecting component attached to the housing. The housing is provided with a through hole which causes the inside of the housing to communicate with the outside. The connecting component has conductivity, and is provided with a major diameter section and a minor diameter section. The major diameter section is formed larger than the through hole, is opposed to the conductive layer from outside the housing, and is electrically connected to the conductive layer. The minor diameter section is formed smaller than the through hole, is inserted in the through hole to reach the inside of the housing, and is electrically connected to the conductive member.

Abstract: The present invention relates to a bolt connecting structure of wire, includes: a housing, which is an electronic device; a connecting seat integratedly provided at a lateral side of the housing, a bolt hole is axially provided on the top surface of the connecting seat, the bottom surface of the connecting seat is provided with at least one contact surface; a pressing member, which is a hollow frame member, the height of the frame slot provided at the center of the hollow frame member is larger than that of the connecting seat and the frame slot is provided on the connecting seat, the top surface of the pressing member is provided with an adjusting screw hole with respect to the bolt hole, the bottom end of the pressing member is provided with a bottom sheet, at least one wire passing slot is provided on the front and the rear walls of the pressing member and is upwardly extended from the bottom sheet; and a bolt having a head section for being operated by tools and a thread section, the thread section is scr

Abstract: An interface module includes a housing configured to hold at least one modular jack. The housing is configured to be mounted on a panel. The housing includes an electrically conductive portion. An electrically conductive fastener has a housing interface configured to engage the electrically conductive portion of the housing and a panel interface configured to engage an electrically conductive surface of the panel. The electrically conductive fastener creates an electrical connection between the housing and the panel.

Abstract: Battery charging assemblies for children's ride-on vehicles, and children's ride-on vehicles that include the same. The charging assemblies may include a power adapter that is adapted to be electrically connected to a power source, a charger cord, and a charging connector that is adapted to electrically interconnect with the rechargeable battery of the ride-on vehicle. The battery charging assemblies further include at least one protective element to prevent or significantly reduce backflow current from the battery into the battery charging assembly. The protective element may be located in the charging probe or at any point along the charger cord of the battery charging assembly. The protective element may include any suitable current-limiting or current-interrupting device. Examples of such current limiting devices include, without limitation, a fuse, a circuit breaker, an anti-backflow diode, and a resettable fuse such as a positive temperature coefficient resistor (PTC resistor).

Abstract: A connector assembly includes a connector mounted within a backshell and a biasing member that forces the connector into contact with a surface of the backshell to improve ground shield junction performance. The biasing member extends into an internal space defined by the backshell and exerts a biasing force to reduce resistance between the connector and the backshell. The reduced resistance provided by the biasing member improves ground shield junction performance against electromechanical interference (EMI) and radio frequency interference (RFI).

Abstract: A housing is provided for use in an electrical connector. The housing includes an electrically conductive body having a mating end and a conductor exiting end, the mating end configured for coupling a mating connector. An electrically conductive flange is disposed between the mating end and the conductor exiting end in electrical communication with the body. The flange extends through an opening formed in an electrically conductive member and is detachably securable to the electrically conductive member for maintaining electrical communication between the member and the body.

Abstract: An external grounding arrangement for a fiber access terminal includes a lug extending through a housing of the terminal. The lug is connected to strength members of a fiber optic cable extending to the terminal by a clamp about the cable within the terminal and a rod extending from the clamp to the lug.

Abstract: An aluminum enclosure of an electronic device is used in a corrosion environment. A long-term low impedance ground connection is needed because of security and EMC reasons. While common surface protection for aluminum in corrosion environments as for example polyurethane paint is not conductive, a stainless steel connector is provided which comprises a head portion and a bolt portion. The bolt portion is inserted into a bore of the enclosure or frame. An annular rib provided on the back side of the head portion defines a cutting edge which cuts into the surface of the aluminum enclosure and provides a gas-tight electrical contact. The front surface of the stainless steel head of the electrical connector element provides a metallic surface for connecting ground wires or other conductors.

Abstract: A bonding block includes a first flat portion, a second flat portion orthogonal to and connected to the first flat portion, and a third flat portion orthogonal to and connected to the first flat portion. The third flat portion is substantially parallel to the second flat portion. A cable connector body is press-fitted into a hole in the first flat portion, staked to the flat portion, and covered by a dress ring. A ground connecting portion for retaining a ground wire is in the form of a box, with the bottom of the box including a retaining groove and the top of the box including a seizure screw. The front and rear of the box contain holes to permit alternate entry locations for the ground wire. The bonding block is preferably formed from a single piece of stainless steel.

Abstract: A bus bar (20) for grounding multiple wires/cables (74) in an engine compartment of a truck. The bus bar has four threaded studs (24, 26, 28, 30) extending from an outer face of a plate (22) and two circular rings (32, 34) on an opposite face spacing the plate from the dash panel (60). An array of multiple through-slots (24A, 26A, 28A, 30A) in the plate surround each threaded stud with the through-slots arranged in unique circumferential locations about the respective stud to provide unique circumferential locators for a tab (78) of an eyelet terminal (76) on a wire/cable (74) to locate the terminal in a correspondingly unique circumferential location about the threaded stud when placed thereon and in contact with the plate preparatory to tightening of a nut (80) that, when tightened, forcefully holds the terminal against the plate.

Abstract: A connector assembly is provided comprising a device including a conductive device shroud forming a device plug receptacle. A cable element includes a first stripped cable end portion exposing an internal cable conductor and a third stripped cable portion exposing a cable ground shield. A terminal element is mounted to the first stripped cable end portion. A ground busbar includes a cable mount end mounted to the third stripped cable portion and a ground terminal end. A conductive overmolded connector body is molded covering at least a portion of said third stripped cable portion and comprising a connector plug portion configured to fit within the device plug receptacle.

Abstract: In a connector attachment structure of an electronic device, an immixture of a noise into a signal line by a static electricity is prevented by using a simple and inexpensive composition. A connector attachment structure (10) is composed of a connector (11), a circuit board (12), a metal chassis (13), a connector setscrew (14), etc., and a metal shielding member (16) is disposed around a terminal (15) of a connector (11). A static electricity discharged to the shielding member (16) can be let off to the chassis (13) through the connector setscrew (14) by connecting the shielding member (16) to the chassis (13) through the connector setscrew (14) electrically, and the immixture of the noise into the signal line can be prevented as well as using an inexpensive-general screw.

Abstract: A fixing structure for a circuit board includes at least one board mounting hole in the circuit board, the board mounting hole having a guide hole and an insertion hole, and at least one board mounting member inserted through the board mounting hole, the board mounting member having a main body, a cover, and an insertion portion therebetween, wherein the insertion portion has a cross-sectional area smaller than either of the main body or the cover and is capable of fitting in the insertion hole of the board mounting hole.

Abstract: A latch mechanism for securing a battery module (70) includes a bracket (10), and a pair latch members (50). The bracket includes a recess (18), a back plate (16) defining a pair of cutouts (162), and a pair of fixing frame (30) disposed besides the cutouts. Each the fixing frame includes a side panel (322) defining a pair of grooves (322, 324). Each latch member is movably received in the corresponding fixing frames and includes a block (562), and a resilient wall (58) with a protrusion (582) selectively located in the grooves. The battery module is slidably moved into the recess and includes a pair of hooks (74) extending through the cutouts of the bracket to engaging with the blocks of the latch member.

Abstract: An external grounding arrangement for a fiber access terminal includes a lug extending through a housing of the terminal. The lug is connected to strength members of a fiber optic cable extending to the terminal by a clamp about the cable within the terminal and a rod extending from the clamp to the lug.

Abstract: A terminal-movable connector includes first support members which are disposed within an inner housing, and are fixed respectively to terminals in such a manner that each first support member is interposed between the inner housing and the corresponding terminal, and are slidable respectively in directions of axes of distal end portions of wires within the inner housing, and a second support member which is disposed in the inner housing, and supports the terminals in a manner to allow these terminals to be moved respectively in the axial directions of the distal end portions of the wires, and has nuts which are aligned respectively with bolt insertion holes formed respectively in electrical connection portions of the terminals.

Abstract: This system for electrically connecting and fastening at least one plate-type electrical conductor to a support piece provided with a nut designed to cooperate with a fastening screw of the conductor is characterized in that an annular spacer of electrically conductive material is joined to support piece on the side of this piece that is facing the conductor and in that nut is disposed on the other side of the support piece opposite this spacer and is connected to this spacer by floating coupling means designed to extend through a corresponding hole in this support piece and to prevent at least the nut from rotating on this piece.

Abstract: The electrical bonding block with grounding lug includes a ground wire clamping chock which bears against the ground wire, clamping the ground wire between the chock and the ground wire passage. A ground wire clamp screw engages the chock to pull the chock tightly against the ground wire. This mechanism avoids direct point contact by the contact screw with the ground wire, thereby precluding the formation of nicks and stress risers in the ground wire and subsequent stress corrosion and/or fatigue failure of the ground wire. The device may be adapted to connect virtually any type of electrical conductors having separate ground elements, but is particularly well suited as a bonding block and ground lug for connecting two lengths of coaxial cable.

Abstract: A ground terminal mountable to a peripheral portion of a printed board, which includes a ground terminal body having a pick-up portion picked up by a mounter and a first end edge portion formed with a semicircular notch, and which includes a connection portion formed in, for example, a second end edge portion of the ground terminal body. To mount the ground terminal to a printed board having a first side edge portion formed with a mounting hole having a function of a positioning hole, the printed board is positioned at a part mounting position with its first and second side edge portions individually engaged with first and second guide rails, and the mounter is operated to place the ground terminal on the printed board, with the notch directed to the first guide rail and aligned with the mounting hole.

Abstract: A screw radial connector for electric wires includes a case, a connecting base, a press member and a bolt. The case is capable of providing coaxial cable connector. The connecting base, being integrally attached to a lateral side of the case has a top with a lock hole extending downward from the top to communicate with a receiving part. A stop part is disposed at an inner side of a lateral wall of the receiving part extending inward and upward and a lead rod is opposite to the stop part and passes through the bottom and the top of the connecting base. The press member is a hollow box with an open side with a top groove at an upper side thereof and an inner chamber under the upper side communicating with the top groove.

Abstract: An adjustable clamping device provides means for attaching a grounding wire to a metal boxes and in particular metal boxes coated with a thin layer of paint or other nonconductive material. An adjustable C-shaped clamp is provided with a grounding block between the wall of the meter box and the C-shaped clamp. The grounding block is formed with a plurality of abrading tips that extend from the block into engagement with the wall. A screw threaded through the clamp engages and exerts pressure on the grounding block towards the metal meter wall with abrading tips extending from the block into pressured contact with the wall. Means are provided for moving the grounding block and abrading tips parallel to the wall while the tips are maintained in pressure engagement with the wall whereby the tips abrade the wall as they move parallel thereto.