Abstract: A welding current source for supplying an arc welding torch with electric current and electric voltage for carrying out an arc welding method, wherein the arc welding current source is provided with a housing in which a current transformer device is provided for processing electric current and voltage fed into the welding current source for suitability in an arc welding method, wherein furthermore two pole contact devices are provided on the housing of the welding current source, each of which protrudes out of the housing along a respective longitudinal axis and is provided with connecting means for receiving a welding current cable. The aim is to provide a possibility that collisions with welding current cables connected to a welding current source of the aforementioned type can be prevented as much as possible.

Abstract: Improvements are disclosed to known twist-lock electrical connectors, whose plug blades form parallel segments of a common cylindrical form. After insertion in a compatible receptacle, rotating the connectors relative to each other engages features intended to prevent accidental separation, but which do not positively lock. An improved plug is disclosed providing positive locking and with prior art receptacles.

Abstract: An electrical device such as, for example, a mechanical interlock including one or more interconnected electrical components configured to detect or monitor an operational state or condition is hereby disclosed. In one embodiment, the electrical device may include a communications bus, one or more sensor modules coupled to the communications bus, and a sensor hub module coupled to the communications bus, wherein the sensor module(s) generate signal(s) including data indicating a sensed condition. A communications module coupled to the sensor hub module may transmit the data indicating the sensed condition to a remote device, a remote computer network, or a remote cloud service. Additionally, and/or alternatively, the device may include a water detection sensor including first and second curved conductive traces. Additionally, and/or alternatively, the device may include a voltage limiter circuit providing a DC output voltage from a high voltage AC input.

Abstract: A method and system for a dynamic keying system is disclosed. The method and system can include a male connector device having a first plurality of settings for one or more key features, and a female connector device having a second plurality of settings for one or more key features. The female connector device can be configured to operate in an initial mode in which it is configured to, in response to the introduction of the male connector device, correspond a first setting of the first plurality of settings to a second setting of the second plurality of settings. The female connector device can also be configured to operate in a subsequent mode, in which it can permit coupling with at least one male connector device having the first setting and consistently deny access to at least one male connector device having a third setting different than the first setting.

Abstract: A light sensor assembly includes a receptacle connector configured to be mounted to a light fixture and configured to receive a sensor connector having a photocontrol component including a housing, a spring element and a housing retainer. The housing has a base extending through a fixture housing. The housing has locating features configured to engage a locating feature of the fixture to hold a rotational position of the housing. The housing retainer is positionable on the interior of the fixture housing on the base engaging the spring element. The housing is rotatably positionable on the fixture by lifting upward on the housing to compress the spring element to disengage the locating features of the housing from the locating feature of the fixture and rotating the housing to a new position.

Abstract: Provided is a receptacle for installation within a lighting fixture. The receptacle includes a platform (i) for exposure external to the lighting fixture and (ii) providing connectivity for coupling to an external control device and a base operationally coupled to the platform and including a first set of one or more nodes configured for coupling to a first set of wires.

Abstract: The invention relates to a photo-control receptacle, which comprises a base, having a power jack formed on one side and a pin holding groove formed on the other side thereof and communicated with the power jack; a mounting base, connected with the base through a connecting structure, having a plurality of pin mounting grooves arranged on one end and cable grooves arranged on the other end thereof and communicated with the pin mounting grooves; wherein, each of the pin mounting grooves has a metal pin arranged therein, which is further arranged to extend into the pin holding groove, the cable groove has a cable arranged therein and connected with the metal pin. The photo-control receptacle of the utility model achieves the tool-free installation, the assembly process is simple and saves time and labor. In addition, according to the actual situation, the orientation of the photo-control device can be adjusted by changing the relative position of the base and the mounting base.

Abstract: An assembly for connecting and holding a photocontrol with respect to a light fixture. The assembly includes a support member and a photocontrol receptacle over and secured with respect to the support member. The support member is on an exterior surface of a light-fixture housing at an opening formed in the housing. The photocontrol receptacle is rotatable about the support member for angular photocontrol adjustment on the light fixture. The support member is fixed with respect to the exterior surface of the light-fixture housing. The receptacle has an engagement portion rotatably engaging the support member, thereby holding the receptacle with respect to the light-fixture housing while permitting rotation of the receptacle with respect thereto. Another aspect is a related method for connecting and holding a photocontrol with respect to a light fixture.

Abstract: An electric connector that is connectable to other connectors by many types of connection while waterproofing of the electric connector is maintained. The electric connector includes a connection holding part configured to hold a connection state with another connector by each of a plurality of types of engagement. The connection holding part includes a plurality of sections sectionalized in a relative moving direction for electrically connecting the electric connector to another connector. Each of the plurality of sections includes an engaging part corresponding to one of the types of engagement different from one another.

Abstract: An electrical device includes a housing and an electrically insulating base secured to the housing. A communication terminal protrudes from the base. Electrically conductive main terminals protrude from the base and are spaced apart from each other and from the communication terminal. The main terminals are arcuate shaped and form arcs of a reference ring the center of which is a rotational axis of the electrical device. The communication terminal is disposed within the reference ring. Also featured is a controller device.

Abstract: Systems and methods for visually indicating an engagement status of a submerged subsea connector are provided. An example of a system includes a measurement device positioned to provide a signal indicating positive engagement of a locking mechanism for a submerged subsea connector, and a visual engagement status indicator assembly including a visual engagement status indicator positioned on an outside portion of a surrounding frame to provide a visual indication corresponding to an engagement status of the locking mechanism provided by the measurement device. A power supply assembly is configured to interface with portions of an adjacent cathodic protection system to provide supply power or voltage multiplication to the visual engagement status indicator.

Abstract: A power adapter has a cable port disposed on one side and a power conversion circuit to convert an input power from an alternating current (AC) power system to an output power used by a device coupled to the cable port. The power adapter further includes electrical contacts coupled to the power conversion circuit and locking columns disposed within a recessed cylindrical portion of a housing. An interchangeable head having prongs protruding from a surface couples to the electrical contacts of the power adapter to provide the input power to the power conversion circuit. A cylindrical body fits within the cylindrical housing in an assembly position, and includes locking tabs to engage the locking columns when the interchangeable head is rotated in a first direction into a first locking position and in a second direction into a second locking position.

Abstract: Fixtures, apparatuses, and related methods are provided that provide for a non-Edison connection for receiving a lamp housing of a lighting device having a non-Edison connector. The fixture can include a fixture housing and a non-Edison socket securable to the fixture housing. The fixture can also include an engagement device for engaging a lamp housing of a lighting device that has a non-Edison connector upon insertion of the lamp housing into the fixture housing and engaging the non-Edison socket.

Abstract: A push-on connector system includes a male push-on bore including a center conductor pin, and a female push-on core including a socket. The male push-on bore receives the female push-on core. A second bore is configured forwardly of the male push-on bore, and a latch track is positioned in the second bore and forms a plurality of inclined latch surfaces. A movable collar is mounted rearwardly of the female push-on core with a plurality of bayonet pins as is configured for engaging the second bore. The bayonet pins slide along the inclined latch surfaces to axially drive the movable collar into the second bore and secure the female push-on core into the male push-on bore. A resilient member is coupled between the movable collar and female push-on core to bias the female push-on core into the male push-on bore.

Abstract: The invention relates to a power jack (27) for a welding device (1), in particular an electrode and/or TIG welding device, wherein the power jack (27) made of conductive material comprises a bore (28) for receiving a plug element (29) attached to a hose packet, and an axial guide groove (33) is disposed in the bore (28), the guide groove being guided to the outside by way of a longitudinal groove (34) such that a locating pin (35) disposed on the plug element (29) can be inserted and rotated, wherein in the bore (28) a radial groove (36) is disposed and a retaining element (38) is positioned, preferably in the intersecting region of the groove (36) and the longitudinal groove (34), and a spring element (40) designed to transmit power is disposed in the groove (36), the spring element (40) protruding from the groove (36) and thereby reducing the diameter of the bore (28), wherein the retaining element (38) forms a contact surface (41) for the ends of the spring element (40) which is configured over only part o

Abstract: A universal frame for connecting a semiconductor device to a test device, the universal frame including a connector for establishing a connection between the semiconductor device and the test device; a head part fixing a position of the connector; a body part fixing a position of the head part, the body part being configured to accommodate the semiconductor device; and a guide unit within the body part, the guide unit being configured to receive the semiconductor device at an end of the body part opposite to an end of the body part fixing the position of head part, and being configured to accommodate the semiconductor device

Abstract: A quick connector assembly for high power electrical applications is disclosed. The quick connector assembly has a first connector and a second connector constructed to form an electrical connection that can be quickly coupled and decoupled. The first connector has a collar portion connectable to a welding cable and a stem portion having a shank section and a threaded section. The second connector has a recess constructed to receive the stem portion of the first connector and electrically engage both the shank portion and the threaded portion of the first connector. The stem portion of the first connector has a channel formed therein, and the second connector includes a pin extending into the recess of the second connector and constructed to engage the channel formed in the stem portion of the first connector.

Abstract: A receptacle assembly for a twist-lock photocontrol that is mounted on a luminaire housing. The assembly includes a receptacle and a spring clamp. The receptacle has a disc portion with a hub extending from the central portion of the back side, a perimeter side wall with a castellated bottom edge that engages stops on the luminaire housing. Three fingers extend from the back side of the disc and terminate at a lip edge. The spring clamp has a substantially flat, ring-shaped body that includes a top surface, an opening, an inner edge, an outer edge, and at least one pair of spring members. The receptacle is attached to a luminaire housing using the spring clamp. The orientation of the receptacle can be adjusted and can be locked into a stationary position without tools.

Abstract: The present invention is to provide an energy saving lamp holder, structurally comprising a body, a set of conducting spring leaves, a set of elastic articles, an anti-backspin guide plate and a positioning plate. When installing an energy saving bulb by inserting the conducting terminals of the bulb in the positioning grooves of the positioning plate for a twist, the anti-backspin guide plate is pressed to move inward and back soon. The anti-backspin guide plate and the contact plate of the conducting spring leaf jointly seize the conducting terminals and refrains the bulb from being back spinning. The energy saving lamp holder disables electric conduction before the completion of the installation of a bulb, which further ensures no possibility of careless electric shock.

Abstract: A detachable lamp socket includes a top cover, a mounting plate secured on the top cover, a housing detachably mounted on the mounting plate, a base secured in the housing, a circuit board mounted in the housing and supported by the base, and a locking rod movably mounted in the base and having a first end extended through the circuit board and the housing and retractably extended into the mounting plate to lock the housing onto the mounting plate. Thus, the housing can be rotated relative to the mounting plate to detach the housing from the mounting plate for maintenance of the lamp socket.

Abstract: The present invention discloses a fastening mechanism, by which an expansion card can be mounted in the housing of an electronic apparatus. The fastening mechanism includes: a base disposed in the housing; a retention member having one side thereof pivotally connected to one side of the base, and the side facing the rear of the housing is provided with a slot for an expansion card to insert therein; and a push handle disposed between the base and the retention member for allowing the retention member to be elastically pushed towards the expansion card to thereby hold the end portion of the expansion card in the slot of the retention member.

Abstract: A quick connector assembly for high power electrical applications and method of manufacturing a high-power quick connector assembly are disclosed. The quick connector assembly has a first connector and a second connector constructed to form an electrical connection that can be quickly coupled and decoupled. The first connector has a collar portion connectable to a welding cable and a stem portion having a shank section and a threaded section. The second connector has a recess constructed to receive the stem portion of the first connector and electrically engage both the shank portion and the threaded portion of the first connector.

Abstract: An assembly-type female connector is generally comprised of an internal frame body and a group of socket terminals. The internal frame body comprises a main body, a lateral cover, and an outer cover, wherein at least two first slots are formed on the outside of the main body. The outer cover is composed of at least two independent segments, wherein each segment has an inwardly extended first wall and an inwardly extended second wall for insertion into the first slots of the main body, respectively, whereby the first walls of the segments and the second walls of the segments can be jointly, tightly inserted into the first slots of the main body. As a result, the outer cover and the main body can be assembled to each other, and the integral structure has a detachable tight assemblage.

Abstract: A lamp socket includes a socket having a bottom from which an outer wall and an inner wall extend. A base is engaged with the space defined by the inner wall and two first wires are connected with the base. Two flexible contact pieces each have a first end fixed to an inner periphery of the outer wall and a second end of each contact piece has a curved portion. Two second wires are connected between the two first ends of the two contact pieces and the two first wires. A cover is engaged with the socket and has a circular hole communicating with the base, and two slots which are located corresponding to the two contact pieces. A first type of lamp is connected to the base and a second type of lamp is connected with the two contact pieces via the two slots.

Abstract: A bulb socket is used with a bulb having a base and two mounting legs each including an enlarged member and has a casing, a bracket and a compression tab. The casing is hollow and has an open bottom. The bracket is mounted in the open bottom of the casing and has two openings, two curved slots and two ridges. The openings and curved slots are defined through the bracket. Each curved slot has an inlet hole and a locking recess. The ridges protrude from the bracket respectively along and adjacent to the curved slots. The compression tab is mounted on the bracket and has two feet extending respectively through openings. The feet pressing against the base and the ridges adjacent to the enlarged members prevent the vertical and horizontal movements of the enlarged members when no external force is applied to the bulb.

Abstract: A lamp base and mating socket locking to prevent axial separation. A lamp base has a locking bridge with arms extending between pairs of contact pins spaced a distance from a surface of the lamp base forming a gap. The contact pins and locking bridge extend through an opening in the socket. Upon rotating the lamp base relative to the socket, locking lands extend under the arms of the locking bridge in the gap preventing unintentional axial separation between the lamp base and the socket. In one embodiment, a key notch is formed in one of the arms of the locking bridge and a mating key pin is formed on the lamp base. The present invention is particularly suited to environments susceptible to vibration or movement; for example, in the treatment of wastewater.

Abstract: A first pair of axially extending terminals on a high voltage insulation plug designed to mount on an end of a gas discharge lamp are separated from each other by a wall that carries a second pair of axially extending terminals mounted on the wall spaced axially from the first pair, the four terminals are adapted for electrical connection to the gas discharge lamp; and a high voltage insulation socket having four axial passageways each containing an axially movable contact spring biased toward the plug, the terminals and passageways so configured that when the plug is rotated on the socket about a common axis with each terminal axially depressing one of the contacts, protrusions on the second pair can be rotated under shoulders in the socket adjacent to the passageways.

Abstract: A chip detector includes a probe having a locking portion and a housing that receives the probe. The housing comprises two lugs. The lugs engage a corresponding pair of slots defined in the locking portion when the probe is fully inserted in the housing. In particular, a first contact surface on the locking portion abuts a first sidewall on the lug when the probe is fully inserted, thereby securely coupling the probe to the housing. A second contact surface on the locking portion abuts a second sidewall on the lug when the probe is fully inserted, thus preventing the probe from rotating in relation to the housing.

Abstract: A turn and lock electrical connector set including a receptacle having a recess, a plug including a projection for entering the recess and a seal located between the receptacle and the plug providing a fluid-tight seal between the receptacle and the plug when the electrical connectors of the receptacle and the plug are engaged.

Abstract: A connector assembly, in particular for making contact with gas discharge lamps, is specified which is safe in operation even with the lamp not having been introduced. The assembly has a housing made of a dielectric material, having a central contact and having an outer contact. A rotatable sleeve made of a dielectric material is situated in the housing. The sleeve can be rotated by means of at least one lug fitted on the outer periphery of the base of the gas discharge lamp. A tongue which moves from a first position to a second position when the gas discharge lamp is screwed in is fitted on the rotatable sleeve. The tongue opens or closes an electrical circuit, or actuates a switch.

Abstract: A socket for two-pin lamps, wherein the socket has a housing defining chambers for receiving contacts for the lamp pins and the housing has insertion openings for the lamp pins, and wherein the ends of the pins have heads which contact the contacts in the chambers in a resilient manner when the pins are inserted in the insertion openings and the pins project into the chambers. The insertion openings extend arc-shaped on the housing, wherein the width of a first portion of each insertion opening is greater than the width of the pin head, while a second portion of each insertion opening has a width which is smaller than the width of the pin head but greater than the width of the pin itself. When the lamp is turned in the insertion openings, the lamp surface supporting the pins is pulled against a support surface of the housing.

Abstract: An electrical device having a base from which extend two parallel connector pins each having a small-diameter shank and a large-diameter head is fittable with a socket having a housing formed with a transverse wall having front and back faces and having between the faces a predetermined thickness substantially less than a distance between an end face of the device and the heads. The wall is formed with a pair of throughgoing slots each having a wide end through which a respective one of the heads can pass and an opposite narrow end so that the device can be fitted to the housing by passing the heads of the pins through the wide ends until the device end face engages the wall front face followed by turning of the device to displace the heads toward the narrow ends of the respective slots.

Abstract: An electrical socket (10) is disclosed for an electronic package (2) having an array of pins (4) wherein at least some of the pins are standoff pins each having a respective cross-sectional enlargement (6). The socket comprises a housing having a wall (12) defining a package mounting surface (14) and an oppositely facing locking surface (58). The wall has an array of openings (18, 48) which receive the pins and permit free passage of the enlargements through the wall. The openings include lateral channels (56) which are narrower than the enlargements. The package is secured to the socket by inserting the leads into their associated entranceways and moving the package transversely over the mounting surface so that the enlargements become trapped beneath the locking surface.

Abstract: A lamp assembly comprises a lamp having a plurality of terminal pins projecting from a base, and a lamp holder having terminal contacts for engaging the pins. The lamp is first located in the holder by inserting the pins into respective openings in a base of the holder, and the lamp is then rotated relative to the holder to bring a portion of each pin into contact with a respective terminal contact of the holder.

Abstract: A premold cap and core with its specific configuration saves labor and material in the making of heavy duty female connectors. The premold core and cap receive female receptacles that are crimped to lead cable. The premold then is cast into a female connector. The female receptacles are capped in place held in insets in the core. The cap is hollow and receives the core locking the female receptacles in place. The cap replaces the prior art fiber disk and presents polarized openings for polarized male pins with flag-like ends. The engaged male pins on a male connector are rotated so that the flag-like end are beneath the polarized openings and cannot be disengaged without rerotation of the connectors.

Abstract: A socket for an electric part has a socket body formed of an insulating material and a plurality of contacts arranged on the socket body and adapted to contact with terminals of an electric part. The socket part has a conductive pin implanted therein. The conductive pin has a current-collecting portion adapted to collect electric charge on a surface of the socket body, and a grounding portion directly connected to the current-collecting portion and projecting from the socket body.

Abstract: A male electrical connector with positive locking prongs and shielded blade protection. The connector comprises a plug body, a plurality of curved blades extending therefrom, a cover rotatably coupled to the plug body, and a shield carrying locking prongs and axially slidably coupled to the blades and plug body. The cover carries a set of cams and the shield carries a set of cam followers, rotation of the cover relative to the shield camming the shield and its locking prongs axially towards the plug body and out of locking engagement with slots in a female receptacle. In a first embodiment, the cover encloses a cable clamping assembly, while in a second embodiment the clamping assembly is outside the cover.

Abstract: An improved bayonet connector assembly includes a connector nut having a generally cylindrical tubular configuration with a bore extending axially therethrough. In one embodiment the inner surface of the bore includes at least one camming surface extending both circumferentially and axially therein and disposed to impinge upon the corresponding bayonet pin of the mating bayonet connector. A detent window is formed at the inner end of each camming surface to engage and retain the bayonet pin that is driven slidably along the camming surface into the detent window. The end surfaces of the cylindrical nut are annular and continuous, so that the strength of the structure is maximized. Furthermore, the camming surfaces and the detent slots are arranged so that the entire nut may be formed in a single molding operation. In another embodiment, the camming surfaces and detent recesses are formed on the exterior of the female connector, and the bayonet pins extend radially inwardly in the bore of the bayonet nut.

Abstract: The twist lock connector of the invention includes an UL approved conventional twist to connect male and female mating ends of a pair of extension power cords for temporary supplying AC power to a work site or the like from a remote power source. The mating plugs of the first embodiment are triangular in cross-section and when connected one of the flat side surfaces rests on the support surface. In a second embodiment the mating plugs when connected have a semi-circular cross-section with the flat surface resting on the support surface. In a third embodiment, the mating plugs when connected form a rectangular cross-section. One of the larger surfaces rests on the support surface when the power cords are in use. In each of the three embodiments, the mating plugs taper or down scale in dimension toward their respective extension power cords.