Abstract: A universal power plug comprises two plastic halves that are hinged together so they can open and close like a door hinge plate. Each half has a plug blade mounted in a cylindrical socket that allows them to freely rotate and best fit a particular wall socket. The hinged arrangement allows the pitch between the blades to be adjusted to accommodate the variety of blade and pin spacings used throughout the world for power plugs. A spring is provided between the housing halves to put pressure between the plug blades and a receptacle's contacts when the housing halves are folded close together.

Abstract: An electronic connecting device includes a plate defining an opening therein, a connector for being movable along the opening, a controller for shifting the connector to different height positions.

Abstract: A charger unit for an electronic device that includes a housing, a plurality of charging contacts provided on the housing, and a recess provided in the housing, preferably on a rear face thereof. A plug having a plurality of prongs may be selectively attached to and detached from the housing for electrically connecting the charger unit to a source of charging current. When attached to the housing, one or more of the prongs of the plug are electrically connected to a respective one of the charging contacts. In addition, a plurality of storage sockets are provided in the housing within the recess. Each of the storage sockets are adapted to receive and hold therein a respective one of the prongs of the plug to enable the plug to be safely and securely stored when not in use.

Abstract: A power supply device (10) includes a base (20) and a plug (30). The base includes a square recess (24) and a locating portion (242) positioned in the recess. The plug is removably received in the recess. The plug includes a square main body (32) and a groove (36). The locating portion is received in the groove. The main body can be positioned in the square recess in different orientations.

Abstract: The invention provides an extension cable system for connecting electrodes to a medical device such as an External Pacing Generator. The system further provides a connector separator for maintaining electrode receiving connectors in a fixed relationship relative to each other to avoid contact between electrically exposed regions of the electrodes. The extension cable system comprises electrically conductive leads electrically connected to a plug adapted to an electrical socket of a medical device, dielectrically shrouded electrode receiving connector(s) that form an electrical connection with a filamentous electrode or electrically conductive wire, and a connector separator for gripping and maintaining the electrode receiving connectors in a predetermined and rigid relationship relative to each other. The electrode receiving connectors comprise outer shrouds that can be threadably rotated to operate wire receiving chucks to receive electrode wires.

Abstract: A dual-purpose male/female connector is disclosed. A push button for controlling a terminal base, which is mounted in a USB female socket and includes a connection terminal, to enable the terminal base to extend from or draw back in the female socket is mounted on the USB female socket. When the push button is in an unpushing position the connector forms the USB female socket, and when the push button is pushed the terminal base extends from the insulating frame so as to form a USB male plug.

Abstract: An electrical connector assembly in accordance with the present invention includes a first dielectric housing (20), a second dielectric housing (10), a number of terminals (26) and a cable (40) electrically connected with the terminals. The first dielectric housing includes a body (21) and a first retention structure (28) formed at opposite ends of the body. The body defines a plurality of passageways (210). The second dielectric housing includes a base (14) and a second retention structure (12) formed at opposite ends of the base. The second retention structure is engageable with the first retention structure at different angles so that the cable extends along different directions with respect to a mating direction of the electrical connector assembly. The terminals are received in corresponding passageways.

Abstract: The invention provides an extension cable system for connecting electrodes to a medical device such as an External Pacing Generator. The system further provides a connector separator for maintaining electrode receiving connectors in a fixed relationship relative to each other to avoid contact between electrically exposed regions of the electrodes. The extension cable system comprises electrically conductive leads electrically connected to a plug adapted to an electrical socket of a medical device, dielectrically shrouded electrode receiving connector(s) that form an electrical connection with a filamentous electrode or electrically conductive wire, and a connector separator for gripping and maintaining the electrode receiving connectors in a predetermined and rigid relationship relative to each other. The electrode receiving connectors comprise outer shrouds that can be threadably rotated to operate wire receiving chucks to receive electrode wires.

Abstract: A compact traveling-use power adapter structure comprises primarily a casing and several adjustable adapting plugs. The adjustable adapting plugs are installed on two sides at the bottom of the lower casing, and rotate toward a common grounding terminator in the center of the adjustable adapting plugs, thereby achieving the object of storage or opening for use. The two adjustable adapting plugs contain adjustable contact terminators, respectively. In using the aforementioned structure, a power plug of an electronic product is directly inserted into the power adapter, after rotating and opening the adjustable adapting plugs at the bottom of the casing, and adjusting the position or angle of their contact terminators, thereby improving the practicability and convenience.

Abstract: A modular electrical receptacle including a housing, a plurality of semi-rigid electrical conductors disposed at least partially within the housing including a first semi-rigid conductor and a second semi-rigid conductor and at least one flexible electrical conductor including a first flexible conductor electrically connecting the first semi-rigid conductor and the second semi-rigid conductor.

Abstract: A flash memory device includes a flash memory drive with a quick connector in a housing. The quick connector is adapted to engage a cooperating quick connector of a selected one of a plurality of different interchangeable connectors. The interchangeable connectors each have standard connector for connection with computers and other device that are compatible with the flash memory. A universal computer cable kit includes a universal cable having quick connectors on opposing ends thereof, a plurality of the interchangeable connectors, the flash memory device, a container for storing the interchangeable connectors and the flash memory device, and a blister pack for packaging and displaying the kit.

Abstract: A power plug includes a connected unit, an assembled unit and a clamping mechanism. The connected unit has an insulative housing with a terminal open, and the insulative housing has a conductive terminal disposed therein. The assembled unit has an insulative casing and a movable body movably received in the insulative casing. The movable body has a first conductive pole and a second conductive pole. The assembled unit is installed in the terminal open of the connected unit. One of the first conductive pole and the second conductive pole is electrically connected to the conductive terminal, and another of the first conductive pole and the second conductive pole is projected outside the insulative casing. The clamping mechanism is disposed between the connected unit and the assembled unit.

Abstract: An AC adapter has a deformable cover located on an outer surface of the housing and defines an interior cavity between the inner surface of the cover and the housing surface for manual retraction and housing of the electrical cable when the electrical apparatus is not in use. The electrical cable may be manually retracted and wound around an internal tower for storage or may be manually withdrawn for connection to the electrical device with which the adapter is used. Alternately, the cover is flipped up to manually retract the electrical cable after which the cover is flipped down to house the retracted electrical cable when the apparatus is not in use. The cover may be flipped up to manually pay off a desired length of the electrical cable as desired.

Abstract: An electrical adapter includes a base having conducting pins extending from one side for insertion into apertures of a mating socket, electrical terminals on the other side and electrically connected to each of the conducting pins. The base a bayonet fitting. A body for connection to the base has a corresponding bayonet fitting for co-operating with the bayonet fitting of the base to secure the body to the base in a desired orientation. There are electrical contacts configured on the body to engage with the terminals of the base when the body and base are secured to one another. A power cord extends from the body.

Abstract: The present invention discloses a link assembly for connectors, which comprises a main body, a live terminal, a neutral terminal, a ground terminal, and a push rod. The live terminal and the neutral terminal are bent directly under two wire sockets of the main body and turned round and extended out from the wire sockets to form a two-terminal connector, or pressed by the push rod to move a support member downward from a positioning channel at one end of a guide channel of the main body to push against the inner wall of the wire socket to move forward to another end of the positioning channel. The support member is latched by a resilient member, such that the ground terminal is extended out from the ground wire hole and the live and neutral terminals are turned round and extended out from the wire socket to drive the latch member and press on a blocking member to constitute a 3-termainal connector.

Abstract: An electrical plug changer is described and has a housing, a first electrical plug, a second electrical plug, a linking mechanism and a clamping mechanism. The first electrical plug and the second electrical plug are slidably positioned within the housing. The linking mechanism is positioned between the first electrical plug and the second electrical plug so that there is relative movement between them. And, the clamping mechanism is connected to and is used to clamp the first electrical plug or the second electrical plug when the electrical plugs protrude.

Abstract: A transceiver adapter is provided that includes a substrate, including electrical contacts on a first side thereof for electrically contacting a transceiver, and electrical contacts on a second side thereof for electrically contacting a printed wire assembly. A transceiver adapter is also provided that includes an adapter plate, including (a) tabs for positioning a transceiver, and (b) mounting pins for coupling the adapter plate with a printed wire assembly; and a substrate hole through which a transceiver may be electrically mated with a printed wire assembly. A transceiver is also provided that includes electrical contacts; and a mateable electrical connector, including (a) electrical contacts on a first side thereof for electrically contacting the electrical contacts of the transceiver, and (b) electrical contacts on a second side thereof for electrically contacting a printed wire assembly.

Abstract: An adapter structure, suitable for use in different electricity standards, has a casing, a first plug, a second plug, a pair of conductors and a pair of insertion holes. The first plug has two straight pins pivotally connected to the casing so that the straight pins are unfolded from the casing or stored inside the casing. The second plug has two rod-shaped pins with rear ends respectively connected to a base. By pushing a pushing button, the plug moves forth and back inside the casing to unfold or store the rod-shaped pins inside the casing. The conductors are mounted inside the casing in parallel and respectively electrically connected to the first and second plugs, corresponding to outlets of the conductors. Therefore, the plugs of the adapter are respectively compatible with UK and EU electricity standards, with a simple configuration and reduced production cost.

Abstract: A plug-in adapter for optional connection of a three (3) pin plug system to different nationally specific plugging systems both with and without grounding contact. The adapter comprises a housing with a polarity of different projecting plugging systems disposed thereon. A socket receptacle supported for rotation in the housing is provided and presents electrical contacts adapted to be connected in the respective rotational positions of the socket receptacle, which are associated with the outer plugging systems, with corresponding electrical contacts of the respective plugging systems. Further, at least one of the plugging systems comprises a grounding contact pin supported for movement in the housing.

Abstract: A configurable battery connector (20) is provided for accommodating a plurality of different battery types (10). The connector (20) includes a plurality of slots (24, 26) for receiving enlarged headed connectors of a battery and two sets of electrical terminals (32, 34), each for a specific battery type. The electrical terminals (34) of one of the sets of terminals are provided on movable members (36, 38) which are coupled together to as to move from a first configuration in which these terminals (34) are active to a second configuration in which they are located behind a face plate (22) of the connector (20) and out of use, such that the terminals (32) of the other set of terminals are active. A latch keeps the connector (20) in one of its two configurations while a plurality of springs bias it to the other configuration when the latch is released. The connector allows different battery types to be attached to cameras, chargers and the like without the need for an adapter.

Abstract: A plug-in power supply for converting a mains voltage into an operating voltage is provided, comprising a housing having arranged therein an electronic circuit for voltage conversion, and at least two primary contact pins which are movable between an operating position, in which they are adapted to be inserted into the mains socket and in which they extend substantially at right angles to one of the lateral surfaces of the housing, and a position of rest on at least one of said lateral surfaces, the primary contact pins being arranged substantially parallel to said at least one lateral surface in said position of rest. In order to achieve the largest possible reduction of size and in order to guarantee that the plug-in power supply can be handled easily and safely, a geometric arrangement of the primary contact pins with respect to each other in their position of rest differs from a geometric arrangement of the primary contact pins in their operating position.

Abstract: The invention relates to a multi-pole multiple plug for connecting (small) electric appliances to a selection of different mains connection systems. The plug has internationally standardized pin arrangements (2) an the four sides of its housing (1) and an the base of the housing (1) is fitted with a recess for adjustably housing a contact tube (4-7) situated at the free end of a connecting cable (3) so that the strands of the connecting cable (4-7) can be connected inside the housing (1) With the pin arrangement (2) required at any particular time.

Abstract: A swivelled electrical outlet receptacle includes a swivel unit that can rotate in all directions. The swivel unit is disposed on a holder with a ball and joint socket arrangement. The swivel unit is placed in a housing and is supported by the swivel holder on one side and a face plate, or front panel, on the other side. The swivel unit housing in turn is disposed in an electrical box wall unit. The box wall unit is disposed within a wall opening similar to conventional outlet boxes. The swivel unit has a spherical shape, which allows it to rotate in up and down directions against a plane parallel to the plane of the face plate of the swivel unit. The swivel unit can also rotate in a clockwise or counter clockwise direction. In accordance with another embodiment of the invention, the swivel unit is arranged to rotate via a cam-hinge arrangement. As such the swivel unit is capable to rotate a full 180° in all directions.

Abstract: A plug-in adapter for optional connection of a three (3) pin plug system to different nationally specific plugging systems both with and without grounding contact. The adapter comprises a housing with a polarity of different projecting plugging systems disposed thereon. A socket receptacle supported for rotation in the housing is provided and presents electrical contacts adapted to be connected in the respective rotational positions of the socket receptacle, which are associated with the outer plugging systems, with corresponding electrical contacts of the respective plugging systems. Further, at least one of the plugging systems comprises a grounding contact pin supported for movement in the housing.

Abstract: A universal electric adapter includes a casing injection-molded from plastics, the casing having a front face panel, two lateral receiving chambers, a middle receiving chamber, a locating groove inside the middle receiving chamber, a plurality of coupling flanges radially inwardly disposed around a rear open side thereof, a positioning projection radially inwardly suspended in the rear open side, and two locating grooves bilaterally disposed at the periphery thereof; two metal contact frames respectively installed in the lateral receiving chambers the metal contact frames each having a protruded contact strip; a grounding frame installed in the middle receiving chamber, the grounding frame having a contact base, and a locating flange fastened to the locating groove inside the middle receiving chamber; a plug member fastened to the rear open side of the casing, the plug member having a plurality of metal prongs adapted for fastening to an electric socket, a plurality of coupling grooves spaced around the perip

Abstract: A plug includes a housing having a compartment, a base mounted in the housing, two blades securely attached to the base, and a grounding prong that is electrically connected to an external grounding wire. The base includes an inner side facing the compartment of the housing and an outer side facing away from the compartment of the housing. A receiving member extends from the inner side of the base and locates in the compartment. The grounding prong includes a first end and a second end. The first end of the grounding prong is securely, releasably engaged with the base with the second end of the grounding prong extended out of the housing for use with a socket with a ground slot. The grounding prong is removably received in a receptacle of the receiving member when used with a socket without a ground slot.

Abstract: An improved connector for coupling with a signal connector for signal transmission has a movable shield sleeve to cover the naked lead of the power signal line for preventing the connector from short circuit or causing harmful incidents to people. It also provides a stronger connection and enhances safety.

Abstract: A portable charger, and particularly a portable charger for a mobile phone, includes a charger base having a reduced housing, an attaching mount, and a concealed plug. The charger base is provided with a pair of slide hooks, power contacts, stops, and an indicating light on a front side thereof. The attaching mount and the concealed plug are both provided on a back side of the charger base. The attaching mount is provided at an upper end of the back side of the charger base and adapted to be attached to abelt of a user. The concealed plug is capable of being movably pulled out about an angle of 90 degrees to be inserted into an electrical socket for recharging purposes.

Abstract: A universal adapter including two electrically conductive pins which are electrically connected with an output socket of an adapter body, in which the pins are releasably engageable with an oblong ring for insertion into holes of a wall socket in order to establish electrical contact with the wall socket, in which the pins are movable relative to the ring when the pins are engaged with the ring in order to vary the distance and/or orientation between the pins.

Abstract: Described is a plug prong comprising a blade and an anchor where the blade has a section cut from one or both sides of the blade. The cut out section is replaced by plastic and the anchor is covered by plastic except for the electrical contact area. The invention provides increased protection against electrocution of a child.

Abstract: Disclosed is a method of releasably attaching a ribbon cable to a hardware device. In one embodiment, the method comprises attaching the ribbon cable to a ribbon cable connector having an internal retaining mechanism, coupling the ribbon cable connector to a mating connector on the hardware device, and actuating the internal retaining mechanism so that the internal retaining mechanism engages the mating connector to thereby inhibit the mating connector from uncoupling from the hardware device. The method allows a user to easily and securely attach a ribbon cable to a hardware device.

Abstract: The invention is directed to a modular electrical outlet including a housing; a pair of plug-in connectors carried by and disposed at opposing ends of the housing; and a conductor disposed within the housing. Each of the connectors includes a plurality of terminal receiving openings. The conductor includes a pair of blade receiving sockets, with a longitudinal axis extending between the blade receiving sockets. The conductor includes a pair of terminals at opposing ends thereof, with each terminal being offset from the longitudinal axis. The conductor may be selectively positioned in the housing at one of two reversible positions. To wit, the conductor may be selectively disposed within the housing in a first position such that each terminal is received within an associated terminal receiving opening of a respective connector, and a second position such that each terminal is received within an associated terminal receiving opening of the other respective connector.

Abstract: An electrical connector for automatically terminating signals in distribution equipment is provided, particularly in the form of a tap housing containing the F-port connector installed in a CATV system. The connector includes a cylindrical outer conductor for attachment to a housing of the distribution equipment which contains a pcb, a conductor of a coaxial cable being connectable to said outer conductor; an inner resilient conductor member contained in the outer conductor and connectable to an electrical circuit when contacting the pcb, a conductor of a coaxial cable being connectable to the inner resilient conductor member; and signal terminating means comprising a resistor operatively associated with the resilient conductor member and the pcb whereby an electrical circuit may be selectively opened and closed to automatically terminate the signals when the inner resilient conductor member has contact with the pcb.

Abstract: A switchable electrical connector for distribution equipment is provided, particularly in the form of a tap housing containing the F-port connector which when installed in a CATV system, is switchable to selectively supply RP with power to customers who subscribe to telephone service; and to provide only RF (5 MHz-1 GHz) to customers who subscribe only to cable television service.

Abstract: Plug-in connectors primarily intended for connecting lighting fixtures into system circuitry, the connectors include selector mechanisms which allow selection of a hot conductor or conductors necessary for energization of the fixtures. The connectors of the invention allow selection of a specific circuit at the job site rather than pre-wiring of a fixture to a specific circuit during factory assembly, a given fixture then being rapidly installed by plugging of the connector into a tapping port in electrical cable extending between fixtures in an installation. The selection mechanism of the invention acts primarily to change the wiring configuration of the associated fixture with the hot leg or legs of the fixture being movable to adapt to a desired specific circuit. The invention further encompasses use of the apparatus of the invention in a method for rapidly wiring fixtures into system circuitry, thereby resulting in labor and job cost savings.

Abstract: Plug-in connectors primarily intended for connecting lighting fixtures into system circuitry, the connectors include selector mechanisms which allow selection of a hot conductor or conductors necessary for energization of the fixtures. The connectors of the invention allow selection of a specific circuit at the job site rather than pre-wiring of a fixture to a specific circuit during factory assembly, a given fixture then being rapidly installed by plugging of the connector into a tapping port in electrical cable extending between fixtures in an installation. The selection mechanism of the invention acts primarily to change the wiring configuration of the associated fixture with the hot leg or legs of the fixture being movable to adapt to a desired specific circuit. The invention further encompasses use of the apparatus of the invention in a method for rapidly wiring fixtures into system circuitry, thereby resulting in labor and job cost savings.

Abstract: A power connecting device for electrical appliances having two metal prongs for use with standard North American mains outlets; the prongs rotate to fold into a recess in the device. The recess protects the prongs for storage and transport, and is designed to accept slip-on adapters that slide into the recess, surrounding and mating with the folded down prongs and providing connection to the local mains connections in differing international locations.

Abstract: A receptacle assembly for multi-wire, multi-circuit power distribution systems for modular wall panels has a body, at least one outlet formed in the body, at least one input plug formed in the body, the input plug have a plurality of openings therein, and three conductors, one line conductor, one neutral conductor, and one ground conductor. The conductors extend from the outlet to the input plug. At least one of the three conductors terminates in a plurality of terminals positioned adjacent a respective plurality of input plug openings. A circuit selector clip engages one of these terminals so that the conductor is connected to one of a plurality of input circuits of the power distribution system. A first end of the clip has a female terminal that matingly engages one of a plurality of male terminals formed on a conductor that allows selective connection. Dimples may be formed on the first end to assure secure engagement with the male terminals.

Abstract: A "universal" end fitting for a central vacuum cleaner hose, having a reversible electrical connector body that can be reversed without being disconnected from the end fitting, and which accordingly need not be realigned after being reversed, is provided. The connector body is permanently but rotatably affixed to the end fitting. Because it is permanently affixed, the connector body need not be realigned after being rotated to a new position.

Abstract: A power plug adaptive to various sockets, comprises an insulating plug casing, plug cover, and an adjustment feature. This adjustment feature can include a slot pin hole, an elastic washer, a nut and a washer for accommodating pins and adjusting the relative positions and angles of the pins around the longitudinal axis of each pin. In that manner, different types of sockets can be connected to the power plug. Different types of pins having various shapes, such as a blade or circular shape, can be used with the plug to provide satisfactory contact with the slots of the socket.

Abstract: A modifiable harness adaptor (10) interfaces a conventional four-way-flat harness connector with any conventional four-way-round harness connector having any orientation of male pin terminals (38a-38d). The modifiable harness adaptor (10) has a first adaptor connector (14) for connecting to a correlative four-way-flat harness connector. Interconnect wires (16a-16d) connect the four-way-flat adaptor connector (14) with a modifiable four-way-round adaptor connector (12). The modifiable four-way-round adaptor connector (12) has four sectorial terminal sections (26a-26d), each comprising a corresponding female pin terminal (28a-28d). The four sectorial terminal sections (26a-26d) are held together to form a cylindrical configuration via a ring-like retainer (42) which is slidably engaged about the longitudinal portion of the sectorial terminal sections (26a-26d).

Abstract: An improved electrical extension cord is provided which consists of an elongated power cord with a male plug connected to a first end of the power cord. The male plug has a flat housing and a pair of side entry prongs, so that it can be positioned closer to an electrical outlet that is behind a major piece of furniture. A female socket is connected to a second end of the power cord. The female socket has a flat housing and a plurality of side entry slots. A mechanism is for fastening the flat housing of the female socket in one instance to a baseboard and in a second instance to a side of the major piece of furniture, to make the female socket accessible, so it can be utilized.

Abstract: An electrical system for an interior space-dividing system which, in a preferred embodiment, constitutes an eight-wire, three-circuit system. The electrical system is prefabricated and includes elongate harnesses mounted within channels which extend interiorly or portable space-dividing members. Adjacent harnesses are electrically joined by flexible electrical jumpers which create pluglike connections with power blocks provided on the ends of adjacent harnesses. Receptacle units are removably connectable to at least one side of each power block, and have circuit-selecting capability to facilitate access to all three circuits from adjacent work areas.

Abstract: Disclosed herein is an attachment plug which can be inserted in both grounded and nongrounded power plug sockets with no requirement for an adapter. An earth terminal pin is pivotably connected to a holder for the attachment plug at its mounting end, so that the earth terminal pin is pivotable about the pivotally connected portion, when not in use, to be stored entirely in a storage cavity which is formed in a front surface of a holder.

Abstract: An electrical outlet receptacle block is provided with input terminals movable to selected positions for engagement with terminals of an electrical junction block having a plurality of terminals representing a plurality of different electrical circuits. The outlet receptacle block has neutral, ground and positive flexible conductor bars electrically connected to neutral, ground and positive receptacle output terminals, respectively. Input terminals of the receptacle block are formed integral with the flexible conductor bars and levers are provided for moving the terminal ends of the flexible conductor bars to physically different positions. In one configuration, the receptacle block housing is provided with openings at opposite ends and the flexible conductor bars have terminal ends controlled by levers at both ends of the outlet receptacle block.

Abstract: A hermaphroditic or "genderless" electrical connector having a main housing and an auxiliary housing. The main housing contains primary electrical contacts while the auxiliary housing provides mechanical keying and, preferably, contains auxiliary electrical contacts. The auxiliary housing can be positioned within the main housing in a plurality of orientations to provide mechanical keying when the electrical connector is telescopically engaged with a duplicate electrical connector.

Abstract: A hose-to-wall fitting for attachment to one end of a current-carrying flexible hose to enable such hose to be connected through a wall-mounted current-carrying inlet valve to both (1) a source of vacuum and (2) dual sources of electrical power, e.g., a high-voltage source for powering a motor or the like, and a low-voltage source for powering a control circuit or the like through a switch built into the handle/wand fitting attached to the other end of the hose. The high-voltage male contacts of the hose-to-wall fitting can be reversed to enable use with the types of inlet valves which incorporate only the connections to the source of vacuum and to the low voltage source, or only the connection to the source of vacuum, the high-voltage connection being made in either case through a short electrical cord to a conventional electrical outlet.

Abstract: In order to connect small electric apparatus having for example a two-pin configuration or a European flat plug into any of the international standard plugging systems according to need, a handy pentaprism-shaped connector has on its sides plug pin arrangements (2) for five different plugging systems and contains a revolving body (4, 7) which has in the area of the top and/or bottom surface of the connector sockets for two more plugging systems. These can be manually snapped (8, 9) into contact (3, 5, 6) with the plug pin arrangement (2) of the connector needed at any time, the remaining plug pins being then absolutely deprived of any voltage.

Abstract: A high-voltage compressed-gas circuit breaker having terminal plates with a contact face for incoming cables. The position of these contact faces and the attachment devices on the contact faces for the connection of the cables varies according to the form of installation given in the switching equipment. The contact faces are formed as a separate part from the terminal plate. On both the separate part and the terminal plate, bores for connection of the part and the plate are provided which do not affect the sealing by the terminal plates of the interior of the interrupter unit at its outer end faces. The bores permit an attachment of the separate part to the contact face in either a first position, or a second position which is rotated by 90.degree. from said first position.

Abstract: A wiring system is provided for offices and similar environments, in which simplex outlet units may be plugged into outlet assemblies connected to several different supplies so as to provide combinations of outlets suited to the requirements of different work stations. The simplex outlet units are all identical, connections to different supplies being achieved by selecting the angular orientation of the units as they are plugged into the assembly. There are indicators to show which supply is being tapped by any outlet, and interlocks to prevent an outlet being removed for so long as equipment is plugged into it.