Abstract: A header device comprises; a housing attached to an end face of a printed circuit board having through-holes; and a plurality of pins extending through and sealed to a first section of the housing, the first section facing the end face of the printed circuit board. The plurality of pins are arranged as an upper/lower array in a two-level structure at one surface of the first section of the housing; the pins of at least one of the two levels are bent within the first section and the pins of the respective level extend in the same plane out of the other surface of the first section of the housing; and the pins of the respective level, which extend in the same plane, are substantially vertically bent so as to insert forward portions of the pins into the through-holes of the printed circuit board.

Abstract: A safety cover for covering a plurality of co-planar sockets of an electrical outlet includes a plurality of cover sections. Attached to each of the cover sections is at least one non-conductive prong configured for insertion into at least one receptacle opening of one of the sockets. A flexible interconnection strip interconnects at least a first of the cover sections with at least a second of the cover sections. The flexible interconnection strip has a rest configuration in which the flexible interconnection strip is positioned in a manner such that the first and second cover sections are substantially non-coplanar with respect to each other. A cam structure is attached to at least one of the cover sections. The cam structure and the prong are located on the same surface of the cover section.

Abstract: A dual electrical socket safety cover construction comprises a pair of cover panel members, a hinge structure connecting the cover members, the hinge structure being arranged for attachment between a pair of electrical sockets to be covered, and each of the cover members having pressure release retaining engagement prong structure to be gripped by the usual electrical plug prong spring fingers, whereby it will require substantially adult digital manipulation to release the covers from their fully covering relation to the sockets.

Abstract: A cover is provided for closing a cavity and a polarizing slot of an electrical connector to protect interior terminals during a soldering process with the electrical connector mounted on a printed circuit board. The connector is in the form of a header having side walls and a bottom wall defining the cavity. A polarizing slot is formed in one of the side walls. The terminals are disposed in the cavity, with solder tails projecting through the bottom wall for soldering to circuit traces on the printed circuit board. The cover includes a lid press-fit onto the header to close the cavity, and a projection depends from the lid in position for closing the polarizing slot in the one side wall of the header.

Abstract: A protection device includes a case, an elastic plugging element and locking element. The case is formed with three holes at its three sides, two of which are arranged oppositely, and a pair of holes at its bottom. The elastic locking element located in the case having two shoulders and a waist is formed at one end a pair of claws to secure it on the case and at the opposite end a pressing end projecting out from a side hole of the case. The plugging element has two zigzag edged set legs to stick through the pair of holes at the bottom of the case. The bases of the set legs at their upper ends are spaced from each other so as to form a preparing area and they stretch horizontally to stick out from the other two opposite side holes of the case to be the other two pressing ends of the device. A waterproof rubber frame can be attached to the bottom of the case so that when the present device is in use, the frame can entirely cover the socket.

Abstract: A safety cover apparatus for an electrical outlet being secured to the face plate screw. The safety cover comprising a pair of safety plugs and a tether connecting the two safety plugs together. Each plug has a plug face plate and a pair of prongs integrally attached to the plug face plate. The tether has an aperture located halfway between the two safety plugs so the safety cover screw can be used to attach the device to the outlet. The length of the tether allows the safety plug to be folded over the tether as to dispose the tether between the prongs and the prongs in the terminals of an electrical socket. The fold is operative in removing the plug from the socket.

Abstract: A protective guard for use with a wall-mounted light switch in order to keep the light switch in the desired "on" or "off" state. The guard is a pivotal arm having at one end an opening for receiving one of the mounting screws of the light switch, by which the guard is pivotally connected to the wall plate of the light switch. When it is desired to allow access to and operation of the light switch, the guard is pivoted out of the way. The same general principle of the invention applies to a guard for selectively closing off a wall plug outlet.

Abstract: A cover for an electric meter socket has a planar base and a plurality of blades extending from one surface of the base for releasable engagement with the jaw terminals in the meter socket. Ribs are connected between the base and the blades to support the blades from sideways movement. One rib on at least one and, preferably, all of the blades has an extendable height so as to contact a jaw terminal in the meter socket when the cover is mounted in the meter socket to prevent deflection and movement of the cover with respect to the meter socket.

Abstract: A security device for preventing unauthorized use of a personal computer includes a rigid housing which is attached to an exposed surface of the computer to conceal the keyboard actuator of the computer. Electrical connectors in the housing electrically connect the keyboard actuator with an externally accessible key switch. The key switch is movable to and from a first condition wherein the key switch actuates the keyboard and the second condition wherein the key switch prevents actuation of the keyboard.

Abstract: A nonconductive electrical connector housing is integrally molded with a nonconductive key. The housing is constructed to receive at least one pair of switch terminals therein such that contact portions of the switch terminals can be in electrical contact with one another. The key is selectively separable from the housing and can be urged into a position to move the contact portions of the switch terminals relative to one another to thereby open or close the circuit of which the switch terminals are a part.

Abstract: An electrical plug connector of the quick disconnect type for high-voltage applications. The plug connector is matable with a receptacle connector having a tubular-shaped outer wall, a central cavity, and an electrical contact extending into the cavity from the base of the receptacle connector. The plug connector comprises an elastomeric, dielectric connector body which includes an inner central body portion and an integral, tubular-shaped, outer body portion spaced from and coaxially extending therealong defining an axially extending annular cavity therebetween.

Abstract: A safety adaptor for a male electrical connector housing having at least one male terminal is provided. A body member having a space therein of a configuration to receive the electrical connector housing while operatively supporting a cantilevering of the male terminal from the body member is utilized. A cover member can be flexibly linked to the body member for locking the safety adaptor to the electrical connector housing. A pair of parallel prongs can extend from the body member and can be positioned for limiting the size of a complementary female connector capable of operatively receiving the male terminal member.

Abstract: A safety cover for electrical outlets with a dummy plug which is attached by a strap to a plate which is secured between the outlet and a cover plate. The dummy plug is designed with a socket contact surface that pivots one edge of the plug away from the socket when a force direct toward the socket is applied to the opposite edge.

Abstract: An electrical connector, e.g. a bushing, has an insulating body through which conductors form a continuous current path between two locations. The conductors are connectable to electrical equipment, e.g. switchgear and cables, at the locations. A socket is formed in the body for receiving a complementary-shaped closure plug. The current path formed by the conductors is exposed to the interior of the socket whereby by removal of the closure plug, the current path is accessible for test or isolation connections.

Abstract: A cover or protector, combined with a cleaner, is provided for use with electrical plugs or terminals when disconnected, thus inhibiting corrosion, etc. of the conductor parts and at the same time employing an abrasive instrumentality that operates to clean the conductor parts as the plug and cover are telescopically connected and disconnected. The cover comprises a base from which projects a portion adapted to telescopically and frictionally mate with a conductor terminal. The cover is formed of non-conductor material and the projecting portion is coated with or otherwise bears an abrasive substance or particles. The cover further includes a peripheral wall for surrounding the plug to further shield it.

Abstract: A protective cover for removable attachment to the open end of an electrical connector that has exposed electrical contacts thereat, includes an insulative body having walls for substantially enclosing the open end of the electrical connector. The body includes a pair of guiding members that are adapted to engage side surface of walls of the electrical connector and guide the installation of the cover onto the connector such that potential damage to the electrical contacts will be minimized or prevented. The dust cover includes a flexible tether preferably integrally attached to the insulative body, the tether terminating in a discontinuous loop. The discontinuous loop has an opening so that the loop may be removably attached to an electrical cable that is terminated to the electrical connector. In the installed condition, the dust cover suitably prevents contaminants, debris or other particles from entering the open end of the connector while the electrical connector is in a disconnected condition.

Abstract: A cordless plug-plate cover has prongs capable of being inserted into a socket of an electrical outlet. The plate is detachably and adjustably attached to the outer surface of the head of the plug by means of, e.g. hook and loop fabric, non-permanent adhesive or magnet/metal combination, so as to at least partially cover the outlet and to permit changing of plates for different visual effects and use with various sizes and shapes of outlets.

Abstract: A single integral molded red plastic article, of star shape, having a central body portion with radiating arms at the ends of which are blocking elements of cylindrical shape. The blocking elements are of different sizes. In use, a selected one the blocking elements is pushed into one of the pair of fuse clips, after the fuse is removed. The selected blocking element is so selected according to the size of the fuse clip. The remaining blocking elements extend outwardly and serve as a grip for handling the article, and as a visual signal.