Abstract: A ground fitting allows electrical connection between a ground wire carried in a metal sheathing, and a ground point such as a water spigot on a short pipe extending from a wall. The pipe clamp is tightened on the short pipe or ground rod. The metal sheathing is cut to expose a short length of ground wire. The ground wire is inserted into the wire clamp, and the metal sheathing is inserted between a clamping plate and clamp seat at the near end of the wire clamp. A ground screw is tightened against the ground wire to hold the ground wire in the wire clamp and plate screws securing the clamping plate are tightened to secure the sheathing between the clamping plate and clamp seats. The wire clamp is attached to the pipe clamp selectively parallel or perpendicular to the short pipe or ground rod to compete the ground fitting.

Abstract: A contact-making unit including a holding unit and a screw with a head and a shank. The holding unit includes a connection part-holding section into which at least one connection part can be inserted, and a screw-holding section into which the screw is inserted in a longitudinal direction of the holding unit in such a way that the screw is held captively in the screw-holding section in the longitudinal direction but in a rotatable fashion, and in that a connection part which is inserted into the connection part-holding section can make electrical contact with the inserted screw. A radially protruding bearing section is formed on the head of the screw, and the screw-holding section has a shoulder section which axially supports the bearing section on the holding unit.

Abstract: An electrical connector for connecting a battery to a regulator may comprise a first electrical terminal, a second electrical terminal, and a body that is operably coupled to the first electrical terminal and the second electrical terminal for carrying current between the first electrical terminal and the second electrical terminal.

Abstract: Upon fitting of the first housing 10 and the second housing 50, joints 21, 63 of the two terminals 20, 60 are superposed in the fitting portion 11, the two joints 21, 63 having respective bolt-insertion holes 21A, 63A that allow for insertion of a bolt V thereinto so that the two joints 21, 63 are fixed together. The fitting portion 11 of the two housings 10 has an operation hole 23 that allows for bolting of the two terminals 20, 60. A first shield shell 40 is attached to the first housing 10. The first shield shell 40 is fixable to the case. A second shield shell 70 is attached to the second housing 50. The second shield shell 70 in a fitted state of the two housings 10, 50 is slidable between: a position to expose the operation hole 23 to the outside; and a position to cover the operation hole 23 and to cooperate with the first shield shell 40 to cover the fitting portion 11.

Abstract: A conductor strip connection device for a junction box of a solar module is disclosed and comprises a contact member having a contact segment for connecting to a conductor strip, a suppressing member having a suppressing part configured to cooperate with the contact segment of the contact member for securing a conductor strip, and a fastening member configured to assemble the suppressing member and the contact member together or disassemble the suppressing member from the contact member for allowing the suppressing member to cooperate with the contact segment of the contact member so as to secure or release the conductor strip.

Abstract: A screw terminal and a terminal block incorporating the same provides a mechanically a screw terminal frame with a closed perimeter that resists deformation of the terminal frame when a captured nut is being clamped against a wire within the terminal frame, allowing the captured nut to be clamped more tightly against the wire. Sidewalls of the terminal frame may include tabs that engage ledges of a block housing to support the screw terminal and the captured nut may have surface irregularities upon the surface that engages the wire and to improve electrical contact therebetween and resist mechanical pull out of the wire.

Abstract: The invention relates to a component arrangement. In at least one embodiment, the component arrangement comprises: an electronics module; a heat sink contacted by the electronics module; a printed circuit board, and; a fastening means for fastening the electronics module to the printed circuit board and to the heat sink. The electronics module has at least one elastic connecting limb for the solder-free contacting of the electronics module with the printed circuit board and has a location for the fastening means. The electronics module additionally comprises a decoupling means for decoupling the force of pressure between the connecting limb and the printed circuit board from the contact force between the heat sink and the electronics module. In at least one embodiment of the invention an electronics module is provided that can be used in the aforementioned component arrangement.

Abstract: An electronic apparatus includes a terminal holding mechanism that holds a terminal portion configured to conduct power from an external terminal, a terminal base that forms a part of the terminal holding mechanism, a partition wall having an open portion on a side, the partition wall separating the terminal portion and the terminal base, and a contact surface facing the open portion of the partition wall and provided integrally with the terminal base, the contact surface being electrically connected to the terminal holding mechanism.

Abstract: In one embodiment, a bonding nipple for use in building electrical systems has a tubular-shaped body attached to a tubular-shaped head. The body and head share a common axis, and the outer diameter of the head is larger than the outer diameter of the body. The exterior of the body is threaded to form a male connector. The exterior of the head has a hole situated thereon to receive a grounding screw. In one exemplary installation, the body of the bonding nipple is fed through a punch-out of a service panel into one end of a female-threaded coupler, and the coupler is situated over a male-threaded conduit. The coupler is tightened over the conduit and the nipple until the wall of the panel is sandwiched between the coupler and the bonding nipple head. A wire is then connected between the grounding screw and a grounding bus bar in the panel.

Abstract: Means for securing a power supply terminal to a bus bar, the securing means comprising: a securing base; a stud rigidly mounted in the securing base; and a securing nut, wherein the stud is arranged to receive, in use, a bus bar mounted on a circuit board and a power supply terminal, the bus bar and terminal being secured in electrical contact with one another by the securing nut.

Abstract: A stud-type junction block assembly having a mounting member and a body constructed from a highly conductive material. A non-conductive or insulating sheath may be provided over a portion of the body. The body defines a bore configured to receive and retain at least one post constructed from a high-strength material. The bore may include threads for receiving an external threaded surface of the post for securing the post with the bore. In addition, a locking agent or adhesive may be provided to secure the post within the bore. An electrical connector having a ring is coupled to the body over the post to provide an electric path of conduction. A nut or other connector is provided on the post for securing the ring of the electrical connector to the body. A non-conductive cap may be provided over the nut.

Abstract: An apparatus for effecting electrical termination with a plurality of types of termination structures includes: (a) a base member presenting a face in a first direction; and (b) a plurality of electrically conductive connection members extending in the first direction from the face. Each respective connection member of the plurality of connection members presents a rod-shaped post. Each post has a first portion presenting a threaded structure and has a second portion presenting an unthreaded structure.

Abstract: A connector assembly is provided with an electric wire-side housing (51) to be fit on a device-side connector (10) that has relay terminals (20). Guide projections (58) project out from an outer peripheral surface of a wire-deriving tube (52) of the wire-side housing (51). The guide projections (58) guide a shielding tube (71) of a shielding shell (70) in position with respect to the wire-deriving tube (52). Therefore in fixing the shielding shell (70) to a connector-mounting member (40), an inner peripheral surface of the shielding tube (71) contacts the guide projections (58) of the wire-side housing (51) to fit the shielding shell (70) on the wire-side housing (51) without dislocation.

Abstract: The subject matter of the invention is an electrical apparatus (1) having a screw terminal for connecting electrical conductors, comprising a housing (3) with an upper face and a lower face (5, 7) and at least two screw shafts (9) which are arranged next to one another in the housing (3), wherein the screw shafts (9) each have a screw feed opening (12) on the upper face (5) and extend in the direction of the lower face (7). A transition region (11) connects the screw shafts (9) to one another. Projections (17) are arranged on the inner face of the screw shafts (9).

Abstract: An impedance assembly is provided for a termination device, disconnectable connector, or other type of joint for an electrical connection, such as an elbow, to facilitate preventing improper installation. More specifically, an impedance assembly can include an obstruction member that help prevent the insertion of a stud into a female device, such as a bushing, unless the stud is properly inserted through the aperture of the lug of the cable assembly. The obstruction member can include a flexible and/or displaceable member that can be displaced by the lug of the cable assembly. Alternatively, an impedance assembly can prevent the rotation of a female member which rotates to receive the stud of a male device. The impedance assembly can include an element that is received in a cavity, groove, etc. of the female member for preventing the rotation of the female member unless the element is removed therefrom. For example, the element can be removed from the cavity, groove, etc.

Abstract: A screw for the electrical connection of a cable terminal to a railway track or the like comprises a base body having an elongated shank having a longitudinal axis, a strike head connected with a first end of the shank, and threads for the removable connection of a strike organ or nut with a second end of the shank opposite said first end. The screw further comprises a support element manufactured separately from the base body and associated to the strike head so as to form a stroke that defines a cavity turned towards the second end of the shank. The screw is pre-assembled and the support element is substantially irreversibly connected to the base body.

Abstract: An uninterruptible power supply (UPS) module unit including a storage battery; a unit case to contain the storage battery; a conductive terminal electrically connected to the storage battery, and disposed in the unit case; and an electrode connector partly inserted from the unit case into a hole formed in the conductive terminal, and electrically connecting the conductive terminal to an external device, wherein a slot is formed in the unit case so as to correspond to the conductive terminal and the electrode connector, wherein rotation of the electrode connector is prevented and the electrode connector is not separated from the unit case.

Abstract: A method of manufacturing a lead terminal for an accumulator by plastic deformation on a cold-working apparatus that has a shaping station (2) and at least one deformation station (30. 40, 50, 60, 80) by shaping, at the shaping station, a slug (7) that has a longitudinal extension along a longitudinal axis such as to provide base (9) and contact (8) parts for the terminal and a size commensurate with the size of the terminal end piece to be manufactured; transferring the slug (7) to the deformation station (30, 40. 50, 60, 80); carrying out a first deformation of the slug (7) for inner and outer shaping of its base part (9); and carrying out a second deformation of the slug (7) for performing at least a further inner and outer shaping of the base part (9), the deformations being performed sequentially as progressive deformation steps.

Abstract: A screw terminal and a terminal block incorporating the same provides a mechanically a screw terminal frame with a closed perimeter that resists deformation of the terminal frame when a captured nut is being clamped against a wire within the terminal frame, allowing the captured nut to be clamped more tightly against the wire. Sidewalls of the terminal frame may include tabs that engage ledges of a block housing to support the screw terminal and the captured nut may have surface irregularities upon the surface that engages the wire and to improve electrical contact therebetween and resist mechanical pull out of the wire.

Abstract: An electrical connector assembly having a wiring harness terminal includes a body and a protrusion. The protrusion extends from the body, and is configured to mate with the wiring harness terminal. The protrusion comprises six sides. Four of the sides have a first length, and two of the sides having a second length that is different from the first length.

Abstract: A structure for screw-tightening and connecting a terminal to an electrical junction box is provided. The terminal mounting structure in the electrical junction box ensures mounting operation with an insertion direction of the terminal obliquely oriented, and prevents heating of the terminal due to power supply. The terminal is secured and connected to a busbar of the junction box by a bolt, with a head and a shaft of the bolt inserted into a vertical opening and a horizontal notched hole of the terminal, respectively. A pair of opposed guiding walls are provided on a junction box body at both sides of the bolt. The guiding wall includes an entrance's side sloping surface obliquely extending from top to bottom, and a straight horizontal surface continuing to the sloping surface. The terminal includes a pair of outward projecting pieces at an upper portion to be slid on the sloping surface and the horizontal surface.

Abstract: An electrical connection structure that includes a first connection portion of the connection member that is fixedly fastened to the first terminal by a fastening bolt, and a second connection portion of the connection member that is connected to the second terminal through an insertable/removable plug, the first connection portion is fixedly fastened to the first terminal by inserting the fastening bolt through an insertion hole provided in one of the connection member and the first terminal, and fastening the fastening bolt in a fastening hole provided in the other of the connection member and the first terminal, the insertion hole is formed larger than a diameter of a shaft-like portion of the fastening bolt, and an inserting/removing direction of the plug and an axial direction of the fastening bolt are substantially parallel to each other.

Abstract: A connector is provided with terminals (11) to be connected with terminals (32) of a mating connector (30) by bolting and a nut accommodating portion (20) for accommodating nuts (17) for bolting. An entrance (20A) enabling the insertion and withdrawal of the nuts (17) is formed at a connection surface side of the nut accommodating portion (20) with the mating connector. A nut cover (40) for preventing the nuts (17) from coming out through the entrance (20A) is detachably attachable to the nut accommodating portion (20) and includes inverted insertion preventing portions (46) for permitting a connection with the mating connector (30) when the mating connector (30) is in a proper orientation while coming into contact with the mating connector (30) to prevent the connection when the mating connector (30) is not in the proper orientation.

Abstract: A terminal of a wiring device includes a conductive plate, an arm, and a wire guide. The conductive plate has an opening formed therethrough. The conductive plate receives a fastener for securing a substantially straight wire to the conductive plate. The arm extends from the conductive plate and defines a mating element on the wiring device. The arm is an anchor of said conductive plate. The mating element of the arm is adapted to cooperate with a complementary mating element. The wire guide is in spaced relation to the fastener to position the substantially straight wire adjacent to the fastener.

Abstract: A grounding system includes a mounting surface, a first ground conductor including first and second ends, a plurality of second ground conductors, and a grounding apparatus. The grounding apparatus includes an elongated conductive member having a first end including an open jaw lug structured to receive and electrically and mechanically engage a portion of the first ground conductor extending transverse to the elongated conductive member, an opposite second end, and an intermediate portion disposed between the first end and the opposite second end. The intermediate portion includes a plurality of lugs. Each of the plurality of lugs is structured to receive and electrically and mechanically engage an end portion of a corresponding one of the second ground conductors. The intermediate portion further includes a plurality of mounting apertures. Each of a plurality of fasteners mounts the intermediate portion to the mounting surface at a corresponding one of the mounting apertures.

Abstract: An electrical connector to mechanically and electrically connecting first and second electrical conduit assemblies. The first electrical conduit assembly has a first conductive contact and an aperture in the first conductive contact. A first fastener is rotatably received in the aperture. The first fastener has a head member and a body portion. A threaded passageway extends from the head member to a distal end of the body portion. The distal end of the body portion is swaged to prevent the first fastener from being accidentally removed from the aperture. A second electrical conduit assembly has a second conductive contact. A second fastener extends outwardly from the second conductive contact and is adapted to be threadably received by the passageway of the first fastener.

Abstract: The present invention relates generally to a lug landing accessory. More particularly, the invention encompasses a field installed lug landing accessory. The present invention is also directed to a novel lug landing kit that can be installed by an installer in the field. The invention further comprises a lug coupler comprising a set of bus bars, each of the set of the bus bars are secured to an electrically non-conductive housing of the lug coupler. The bus bar has at least one opening for the passage of at least one electrically conductive protrusion, and the bus bars are electrically connected to at least one corresponding breaker strap.

Abstract: A semiconductor circuit arrangement is disclosed. In one embodiment, a semiconductor module is attached to a board using a screw, with a mechanical and electrical contact being made between module contacts on the semiconductor module and associated board contacts on the board at the same time by attachment using the screw.

Abstract: A bushing well, which generally includes a bushing well housing defining a conical inner cavity for receiving an end of a bushing insert and an electrically conductive insert disposed within the housing, wherein the insert has an installation tool engagement portion accessible by an installation tool via the inner cavity of the housing for attaching the bushing well to an electrical device.

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 service switching device comprises a housing having a front face, a mounting face, and a narrow face disposed between the front face and the mounting face. A connecting terminal disposed in a terminal accommodation area close to the narrow face has a terminal screw, accessible from the front face and moveable in a movement direction, including an operating end and a clamping end disposed opposite the operating end; a terminal body including at least one terminal area, in which a connecting conductor can be pressed against a busbar by the terminal screw, wherein the terminal body is accessible via a first housing opening in a wall of the narrow face; and a terminal cover part.

Abstract: An electrical fitting includes an electrically conductive body with a mating portion. The body includes an electrically conductive grounding surface integral with the body. A fastener that is movable from a first position to a second position may secure a grounding conductor to the grounding surface to securely electrically couple the grounding conductor to the grounding surface.

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: An electrical-connection device, particularly for photovoltaic-cell panels, has: a first electrical terminal, designed to be connected to apparatuses for generation or use of electrical energy and to extend in a fixed position through a wall for support of the connection device; a seal for fluid-tight coupling of the first electrical terminal to the supporting wall; a second electrical terminal connected to the first electrical terminal and to an electrical wiring external to the supporting wall; and an electrically insulated liquid-tight chamber, housing at least partially the first electrical terminal and the second electrical terminal.

Abstract: A terminal connection structure for a battery which is electrically connected to a battery terminal includes a terminal plate having an attachment hole and a side plate connected perpendicularly to the plate. A terminal metal member, having a fitting hole corresponding to the attachment hole, is provided at the end of a cable to contact the plate surface by way of a terminal connector. The terminal connector includes a terminal engaging member, integrally comprising a shaft portion and an engaging portion. The shaft is fitted in the fitting hole and the attachment hole so that the terminal metal member is contacted with the plate surface. The engaging portion is substantially L-shaped and projects sidewardly from an end of the shaft, engaging with a rear face of the plate. A nut is screwed on the shaft so that the terminal metal member is provided between the nut and the plate surface.

Abstract: For preventing incomplete lock of a terminal at lock leaves of a connection box main body, and locking the terminal smoothly and securely at the lock leaves, a terminal lock device includes a connection box main body made of insulation resin, having a surrounding wall for receiving a terminal, and a pair of flexible lock leaves in the surrounding wall. A tab of the terminal with an electric wire is structured for inserting a head of a bolt. The tab is locked at the lock leaves. The terminal is connected to a mating circuit by screwing. A cover includes projecting plates, which are respectively inserted into bending spaces for bending the lock leaves when the cover is attached at the connection box main body. A pair of wall ribs is provided adjacent to the lock leaves, and a pair of tab ribs is provided at both ends of the tab.

Abstract: A bushing well, which generally includes a bushing well housing defining a conical inner cavity for receiving an end of a bushing insert and an electrically conductive insert disposed within the housing, wherein the insert has an installation tool engagement portion accessible by an installation tool via the inner cavity of the housing for attaching the bushing well to an electrical device.

Abstract: Certain exemplary embodiments can provide a system, which can comprise a lug coupler that comprises a set of bus bars. Each of the set of bus bars can be adapted to be releasably attached to a corresponding terminal of a set of terminals of a circuit breaker. The system can comprise a set of studs adapted to engage a corresponding set of apertures defined by an end connector of one of a set of electrical leads adapted to be electrically coupled to the lug coupler.

Abstract: Provided is a terminal block structure which includes a base. The base is provided with one or more terminal recesses thereabove. Inside the terminal recess are a holder and an inverted U-shaped nut. The holder and the inverted U-shaped nut mate and engage with each other, and have to be inserted into the terminal recess by a force. The square shape of the inverted U-shaped nut has a retaining effect on the inverted U-shaped nut positioned inside the terminal recess. Hence, a fastener (a screw or a bolt) penetrating the holder and the inverted U-shaped nut and thereby fixing the holder and the inverted U-shaped nut in position is mechanically counteracted by the inverted U-shaped nut, and thus the holder and the inverted U-shaped nut are unlikely to be released from the terminal recess.

Abstract: A bushing well, which generally includes a bushing well housing defining a conical inner cavity for receiving an end of a bushing insert and an electrically conductive insert disposed within the housing, wherein the insert has an installation tool engagement portion accessible by an installation tool via the inner cavity of the housing for attaching the bushing well to an electrical device.

Abstract: A cable termination housing for terminating a cable to one or more devices includes a bore for receiving a device mating portion, a component portion integrally formed within the housing, the component portion having a fastener that is slidable between a retracted position wherein fastener does not extend into the lug aperture of the cable assembly and an extended position wherein the fastener extends into the lug aperture. Preferably, the fastener is rotatable while in its extended position so as to couple with the device mating portion.

Abstract: Certain exemplary embodiments can provide a system, which can comprise a lug coupler that comprises a set of bus bars. Each of the set of bus bars can be adapted to be releasably attached to a corresponding terminal of a set of terminals of a circuit breaker. The system can comprise a set of studs adapted to engage a corresponding set of apertures defined by an end connector of one of a set of electrical leads adapted to be electrically coupled to the lug coupler.

Abstract: An installation switch having a housing and a connecting arrangement for a conductor having a terminal shoe. The connecting arrangement includes a socket having an interior, an insertion opening, and an access opening, and a screw having a screw head and a screw shank disposed in the interior of the socket. The screw is actuatable longitudinally between an open and a clamped state. The arrangement further includes a connection plate having a screw hole with threads for threadably engaging the screw when in the clamped state, and a retaining device preventing the screw from being removed when in the open state. The arrangement is configured so that the open state allows the shoe to be inserted into the insertion opening, the clamped state provides the screw being engaged with the shoe, and access to the screw is provided via the access opening of the socket to actuate the screw.

Abstract: An improved electrical plug-and-socket connectors with screw-type clamping connections has a step-shaped screw brake for protecting against loss of the clamping screw of connecting stranded conductors of electrical components having as the clamping mode a screw-type clamping connection. The screw brake has one, two or more strips. The plug-and-socket connector has a screw-type connection, having an insulating part, arranged to accommodate at least one contact insert. The contact insert has a substantially cylindrical shape and comprises a contact portion for electrical/mechanical connection to an oppositely shaped contact piece of a matched plug-and-socket connector at a first end of the contact insert. It further comprises an insertion opening for at least one connecting stranded conductor at a second end of the contact insert, there opening in the insertion opening a screw hole which is oriented substantially transversely relative to the central longitudinal axis thereof and comprises an internal thread.

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: According to some embodiments, an electrical connector assembly comprises an electrical connector body and a clamping collar disposed over the electrical connector body. The electrical connector body comprises a pair of opposing latch hook strips parallel to an insertion direction of the electrical connector body. Each latch hook strip has an inward-facing latch hook situated along a distal region of an inner surface of the latch hook strip, and a forward-facing, inner-surface slanted platform. The clamping collar is slidably disposed over the latch hook strips. The clamping collar comprises a pair of backward-facing slanted platforms, each configured to engage a corresponding forward-facing slanted platform of a latch hook strip. Sliding the clamping collar forward along the latch hook strips clamps the latch hooks to secure the connector, and sliding the clamping collar backward along the latch hook strips unclamps the latch hooks to release the connector.

Abstract: The invention concerns an insert designed to be mounted in a calibrated hole (2) of an element (1) for fixing and electrically contacting an electrically connecting socket, consisting of an electrically conductive ring (3) having a sleeve (3a) which is secured to a saddle (3b) and of a screw (4) which is provided with a shaft (4a) designed to be inserted into the ring (3) and with a head (4b) facilitating its being screwed and enabling further the socket to be clamped (5), between itself and the saddle (3b) of the ring whereof the sleeve (3a) has been previously inserted into said hole (2) of the element (1).

Abstract: The INVENTION is a single, two-hole, electrical bond washer which replaces individual single-hole flat washers that are used in the process of bonding electrical wire lugs to ground bars for protection against lightning.

Abstract: A cable termination housing for terminating a cable to one or more devices includes a bore for receiving a device mating portion, a component portion integrally formed within the housing, the component portion having a fastener that is slidable between a retracted position wherein fastener does not extend into the lug aperture of the cable assembly and an extended position wherein the fastener extends into the lug aperture. Preferably, the fastener is rotatable while in its extended position so as to couple with the device mating portion.

Abstract: An electromagnetic switch mounted on a starter for cranking an internal combustion engine includes an excitation coil for driving a plunger upon supplying electric current to the excitation coil. A conductor member led out from the excitation coil is connected to an outside cable to supply electric current to the excitation coil. The conductor member is made of a thin plate to be easily led out from a molded contact cover and is connected to a reinforcing member made of a thick plate that is embedded in the contact cover. The outside cable is connected to the reinforcing member so that the thin conductor member is not damages by a high vibration of an engine. The outside cable is easily connected to the reinforcing member with a screw after completion of the electromagnetic switch.