Abstract: An electrical plug for an associated electrical device for use in hazardous locations, comprising a metal housing; a nonconductive plug base holding at least two conductive terminal prongs connected to conductor wires passing through the housing and connected at their other end to the electrical device; and a plastic sleeve for preventing contact between the conductor wires and the metal housing, providing a bearing surface for the plug base and an elastomeric gasket compressed therebetween, cooperating with a reversible clamp to mechanically grip the conductor wires and prevent their separation from the terminal prongs, and providing simple measurement of a predetermined length of wire between the clamp and each terminal. A rubber grommet provides a moisture-resistant seal along the back end of the plug housing. A label plate may be affixed to the exterior surface of the plug housing by means of peened over posts that do not interfere with the integrity of the plug housing.

Abstract: A fixable electric plug connection and a process for fixing an electric plug connection includes two housings which are fitted into one another and which carry corresponding socket and plug contacts. One of the two housings is provided with a surrounding groove which can be locked with a surrounding ridge, for example, in the interior of a stop bolt in order to fix the housing. This provides a space-saving arrangement of the plug connection. The ridge, which is required for the locking of the plug connection, exists in any event as a result of the machining tool operation such that the locking is implemented with simple and low-cost measures.

Abstract: An electrical connector with a cover lockably coupled to a retainer body to prevent inadvertent uncoupling of the cover from the retainer body. The cover and retainer body are locked together by a locking arrangement which includes a locking screw or member, a passageway formed in either the cover or the retainer body for threadedly receiving the locking screw therein, and a recess formed either the cover or the retainer body for receiving the tip of the locking screw therein. In a preferred embodiment, the recess is an arcuate slot with an inclined locking surface which slopes towards the locking screw in the direction of rotation for uncoupling the cover from the retainer body. In another embodiment, the recess is a tubular or cylindrical bore with a pair of locking surfaces.

Abstract: The present invention relates to an inner pin base for a three-pole plug. The inner pin base has a round-sectional passageway at a top portion and two channels at two sides of a bottom portion. An upper and a lower rims of the passageway extend backward to form an upper and a lower tongue pieces, respectively, allowing a ground terminal to pass through while a projected portion on a top surface of the lower tongue piece engages with an oval hole at the end of the ground terminal passing therethrough. The channels each has a vertical and slender slot formed at their substantially closed front end, allowing a positive or a negative terminal to pass through.

Abstract: A power strip for electrical switch devices which includes a plurality of plug connection parts disposed in a base body in a sealed-off manner, and is joined with the aid of contacts to conductor tracks of a first printed wiring board. The conductor tracks of a second printed wiring board are linked with further plug connection parts. To enable opening at will, the plug connection parts are disposed in an insert part that can be introduced into a recess of the base plate. The insert part is fixed in the base body with the aid of a comb-like part. The embodiment of the tines of the comb-like locking part enables simple assembly and disassembly.

Abstract: A simple and effective means for improving mechanical resistance to stress at the coupling between a conductor and the connector is provided in a thermocouple connector which includes an integrally attached spool for storing in neat, compact and readily accessible form, the excess length of electrical conductor which is attached to the connector while providing the resistance to the stress.

Abstract: Low-current receptacles for prewiring a building comprise:a fixed base provided with a first intermediate connector connected to a cable of the prewired network; anda removable external adaptor housing provided with a second intermediate connector complementary to said first intermediate connector and connected to user apparatus.

Abstract: A power plug socket assembly is provided which includes an outer casing (1) having a bevel block member (10) mounted in a bottom wall of the outer casing (1). An inner block member (2) is insertable and releasably captured by the bevel block member (10) of the outer casing (1). The outer casing (1) includes wall thicknesses at gripping portions which are relatively reduced in thickness with respect to the remaining wall thicknesses of the outer casing (1) in order to resiliently engage with the bottom groove (210) of the inner block member (2) when the inner block member (2) is inserted and pressed or fitted into the outer casing (1) during assembly.

Abstract: An electrical connector includes an outer shell (400) which is profiled to receive a pin housing (450) therein. The pin housing (450) has mounted therein a plurality of pins (622). The interior of the housing shell (400) is sealed by placing a grommet (624) over the end of a wire (626) and placing the terminal (622), the grommet (624) and wire (626) into the rear of the connector shell (400). To prevent the ingress of water into the shell (400), the grommet (624) includes at its exterior end, an elongate collar (624b) which, if the wire is pulled, will compress. This prevents the exterior ribs from pulling away from the aperture allowing the ingress of water.

Abstract: An insulating liner for an electrical plug which fits between the plug body and the plug assembly when conductors are located. The liner rotates within the plug body and is retained in the plug body by a tab and groove.

Abstract: A cable connector comprising a plastic core covered with a cap and fastened in a short copper tube at one end. By engaging a plurality of raised portions at the inside of the cap in a plurality of notches around the periphery of the front projecting end of the plastic core, the cap is firmly attached to the plastic core and, the plug holes on the plastic core are respectively automatically longitudinally aligned with the holes on the cap for fastening terminals tightly. After having been covered with the cap, the plastic core is fastened in the short copper tube at one end to incorporate with the short copper tube into a consolidated piece convenient for performing further outer shell resin molding process.

Abstract: There is provided a new and useful quick connect electrical connector comprising a housing having first and second ends; an open cavity extending into the first end of the housing; and a first passage extending into the second end of the housing and opening into the cavity; an insert for inserting into the cavity, the insert having first and second ends; a recess in the first end of the insert; and at least a second and a third passage leading from the second end of the insert to the recess; and a terminal section having first and second ends; electrical contacts on the second end of the terminal section corresponding to each of the at least second and third passages; and electrical conductors leading from said contacts to receptacle or plug means associated with the terminal section; cooperating means on the insert and the terminal section for aligning the terminal section and the insert for inserting the second end of the terminal section into the recess to a first insertion position wherein the contacts li

Abstract: Connector assembly comprises an outer housing and an inner housing which is inserted into the outer housing. The inner housing has terminal receiving cavities which extend between its ends and which open onto one of the sides of the inner housing along the full width thereof as measured between the ends. The terminals are inserted into the cavities by aligning the terminals with the cavities and moving them laterally of their axes into their cavities. After assembly of the terminals to the cavities, the inner housing is assembled to the outer housing.

Abstract: A multiple connector has an insulating body which contains a plurality of pin contacts arranged in rows and columns of a matrix. The insulating body is inserted securely in the front end portion of a cylindrical metal shielding body. Front end faces of contact holding plates holding these pin contacts in a row or a column arrangment are held in abutment with the rear face of the insulating body. The contact holding plates respectively have contact holding grooves formed therein to extend in a front and rear direction. Cord connection portions of the pin contacts extending or projecting from the rear face of the insulation body are pressed into and secured to these contact holding grooves. The cord connection portion has a press-in contact portion formed integrally therein and the press-in contact portion has a slot of a width smaller than the diameter of a core bundle of the cord to be connected.

Abstract: A sealed electrical connector assembly is provided for wire-to-wire electrical connections. The assembly includes a pair of mateable electrical connectors each of which includes a plurality of terminal receiving cavities extending therethrough. Each terminal receiving cavity preferably includes a static locking projection and a dynamic terminal positioning beam which deflects during insertion of the corresponding terminal and which resiliently returns to an undeflected condition for locking the terminal in the housing after complete insertion. A TPA component is mounted to the rear of each housing prior to insertion of the terminal. The TPA component includes terminal receiving apertures which function to rotationally align each terminal for efficient full seating in the corresponding terminal receiving cavity. Positive assurance of full terminal seating is achieved by advancing the TPA component from a first position into a second locked position.

Abstract: An electrical cable assembly (1) includes: an insulative housing block (20), conductive electrical contacts (9) on the housing block (20) connected to corresponding signal wires (5) of a cable (2), a conductive ground bus (7) connected to corresponding ground wires (4) of the cable (2), a conductive shell (35) enclosing the housing block (20), the ground bus (7) being enclosed by the conductive shell (35) and isolated electrically from the shell (35), and the ground wires (4) extending into the shell (35) and being isolated electrically from the shell (35).

Abstract: In a contact plug connector to be coupled with a socket having contact ends, the contact plug includes an insulative body which encloses a plurality of separated terminal liune extender strips combined with two unslotted carrier ends, an insulative base which mounts with the body such that contact mounts for the extenders strips are accessible for electrical contact, and a housing which encloses the body and the base. The extender strips are formed on one metal plate in this invention, but are defined and separated by slots formed on the metal plate. Although these extender strips are fragile, their handling becomes convenient with the unslotted carrier ends that are cut off in the process of assembling the plug connector.

Abstract: An insert molded multiple contact electrical connector comprising a molded insert of thermoplastic insulating material having a barrel shaped body which has a plurality of circumferentially spaced grooves and a plurality of cable grips. The cable grips are formed by semicircular grooves in parallel segments of a polygonal flange at one end of the barrel shaped body. A plurality of electrical contacts which are attached to a plurality of electric cables by core and insulation crimp wings are disposed in the grooves and the cable grips respectively to form a subassembly. An outer housing of thermoplastic insulating material is molded over the subassembly in a die which has a plurality of cable grip parts which cooperate with the respective cable grips of the molded insert to retain and seal around the electric cables individually and to space the electric cables from each other when the outer housing of thermoplastic insulating material is molded over the subassembly.

Abstract: A pin assembly for use in an electrical connector includes an insulating body having two spaced flexible fingers with pins extending outwardly from the fingers. One finger carries a latch for securing the pin assembly in a surrounding body.

Abstract: A connector device for an electrical surge protector includes a base having at least one yoke defining a mounting aperture, at least one terminal having a mounting hole aligned with the mounting aperture of the yoke, and a pin extending through the hole of the terminal and the yoke aperture to hold the terminal in a predetermined position in assembly of the surge protector.

Abstract: A right-angle connector having an array of angulate contact elements supported by a locking support member in frictional engagement with said connector. The array of angulate contact elements consists of at least two rows varying in extension and height. The locking support member is received into the open-ended rear surface of the connector and indents within the member are disposed to individually receive a contact element. The indents are volumetrically staggered to coincide with the array of contact elements.

Abstract: A connector has a plug and a socket. The plug is provided with at least one male contact member composed of two resilient foils in the shape of spoons. Each of these foils is mounted in a floating manner in the insulating block of the plug. The socket has a female contact member which is rigidly mounted in the insulating block. Thus, when the connector is plugged in, the contact element of the plug can align with the contact element of the socket by which it is then positioned. The connector can be executed with a distance between the contact sets of only 1.27 mm (0.05 inches). The connector is useful with surface mounting technology.

Abstract: An electrical connector for connecting telephone cables wherein an end of each wire is connected to a part of the connector and then cut through cutoff holes in the connector cover, and when the connector parts are assembled to splice the cables said cover has portions to cover the cutoff holes.

Abstract: A modular electrical connector assembly consisting of a plurality of components which can be assembled in a number of different configurations is disclosed. Each connector consists of an outer body (100, 200) and an inner body (300, 400). The inner and outer bodies are separately and independently keyed and each mates with a corresponding inner or outer body in only one configuration. The inner body is keyed by providing distinct cross-sections for intermating posts (310) and cavities (410). The outer bodies (100, 200) are latched together by a plurality of collects (202) on one connector (200) which are held in engagement with a cylindrical ridge (130) on the other connector by a spring loaded shiftable sleeve (150). Keys (142) on one connector are received in keyslots (212), between adjacent collets (202) on the other connector. Conductors (30) in distinct and corresponding ordered arrays can be interconnected and the circuit patterns need not be changed in order to provide for connector modulatity.

Abstract: An electrical plug comprises a body (1) molded with prongs (2) and detachably secured with a cover (10). Each of the prongs is detachably connected to an electrical wire (11) by means of tying a loop (13) at the bare end of said wire, and slipping said loop into a spring clamp (3) formed on the prong. The connection of said wire to said prongs is made before attachment of said cover.

Abstract: The invention is directed to a power plug which has a high physical strength against traction forces tending to pull the blades out of the plug body. The power plug of the invention realizes the above characteristics by comprising a pair of blades, each of the blades having one end connected to a cord, and a blade retaining member. The blade retaining member is made of an electrically insulating material, and has retaining portions which retain the blades so that they are not displaced relative to the blade retaining member. A resin molded plug body embeds the blade retaining member, proximal end portions of the pair of blades at which the blades are connected to the cord, and an end portion of the cord to which the blades are connected.

Abstract: This invention concerns a plug structure of a ventilating fan which can be easily checked out to determine if the connection is correct or not. A base for carrying electric blades connected with a cord is combined with a plate in a corner of the fan body by pushing it on the plate by means of the combination of partition walls and a slot. The plug is easy to assemble with or to take off the fan body for checking.

Abstract: A watertight and leak-proof junction box for use, for example, in vehicles such as automobiles, and a process of assembling such a junction box are provided. The wiring board assembly comprising a plurality of insulating plates, wiring conductors strips and electric contacts formed by raising the free ends of the strips so as to project from the outer surface of the wiring plate pile which is embedded in an insulating resin through molding to form a resin-embedded wiring board assembly prior to assembling the junction box, and then the resin-embedded wiring board assembly joined with a connector support board having connector bodies for receiving the terminals of electrical units and/or wire harnesses is contained in a watertight case.

Abstract: An electrical connector has a removable dielectric insert sized to fit within the forward opening of the connector shell with internal threads in the shell being threadably engaged by an external threads on a locking nut threadably inserted into the shell to abut the insert. A retaining ring is snapped into an annular recess of the insert to captivate the nut on the insert and provide a surface to aid in retraction of the insert. The terminals are two piece with a rearward portion being nonremovably retained within the shell and the forward portion having a circuit component thereon which can be replaced when the insert is removed.

Abstract: A connector plug includes a plurality of contact pins carried by an insulating body which is installed in a cylindrical metal cover. The cylindrical metal cover has a semi-cylindrical rear portion which is engaged with a semi-cylindrical metal cover piece into a cylindrical form. A separtately molded insulating cap is assembled onto the cylindrical metal cover. Within the insulating cap, a cable clamp member having a thickness greater than that of the cylindrical metal cover is secured to a rear end extension of the cover. A cable connected to the contact pins is clampedly held by the cable clamp member.

Abstract: A connector for high current use includes a plug half and a receptacle half. The plug half includes a sleeve which receives a blade holder and a contact holder. The sleeve is provided with notches having predetermined angular positions and widths. The blade and contact holders also include notches which are mated with those of the sleeve. A plurality of sleeves having a variety of notch widths and positions can be provided to define a selection of connectors for various electrical circumstances. Blade and contact holders with a variety of sets of key positions and widths are provided to match the sleeves and to have the necessary electrical characteristics.

Abstract: An electrical plug including an electrically conductive contact member, a wire attached to the contact member, a cover made of electrically insulating material and covering the exposed portion of the wire and the attached portion of the contact member, and a molded plastic housing embedding the cover, the contact member and wire.

Abstract: An electrical jack-type connector, mainly for low voltage purposes, having a rod-shaped male part having terminals in the form of conducting, axially displaced contact rings, and a matching tubular female part having axially and peripherially displaced inner terminals to make contact with the contact rings of the male part, with the female part having an outer tube and an inner tube fitted therein, which inner tube is formed with rectangular slots for arrangement of the terminals of the female part, in each slot there being a flat substantially rectangular contact flap connected with a respective conductor located between the inner tube and outer tube in a narrow track extending on the tube wall parallel to the tube axis from the slot to an orifice at one end of the inner tube for connection with cable conductors within a closed end.