Abstract: Example embodiments relate to luminaire heads with interconnecting interfaces. One example luminaire head including an interconnected interface for an electronic device includes a support layer and a cover layer arranged over the support layer. The support layer includes a plurality of electrical tracks arranged on a surface of the support layer and connectable to a power supply of the luminaire head. The support layer also includes a first electrical connector. The first electrical connector is connected to at least one of the plurality of electrical tracks and is suited for connecting to the electronic device. Further, the support layer includes a second electrical connector. The second electrical connector is directly connected to the first electrical connector via the at least one of the plurality of electrical tracks. An upper surface of the cover layer includes a first opening and at least one retaining means.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board.

Abstract: The connection device (100) is for an electrified guide (200) lighting system; the electrified guide (200) provides one longitudinal groove (210) and the connection device (100) is adapted to be inserted into the electrified guide (200); the device comprises a mobile command device (150, 160) and at least a mechanical element (22, 145, 147) and/or at least an electrical contact (148); an actuation of said mobile command device (150, 160) causes the exit of said at least a mechanical element (22, 145, 147) and/or of at least one electrical contact (148) from a side of a casing (130) of the connection device (100); the mobile command device comprises a sliding slider (150) and preferably a plate (152) with one or more slotted holes (153).

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board.

Abstract: A lighting device assembly includes an outer housing having an inner volume and an inner surface at least partially surrounding the inner volume, a first open end and a second open end. At least one rail is provided on the inner surface of the outer housing. A first heat sink member is received within the first open end of the outer housing and secured to the at least one rail. A light source is attached to the first heat sink member. A cap attaches to the outer housing to cover the second open end. A second heat sink member holding one or more driver electronics modules connects to the light source. The second heat sink member is secured to the cap and is received within the second open end of the outer housing when the cap attaches to the outer housing.

Abstract: A lighting assembly and a lighting lamp. The lighting assembly includes a light source assembly and a connection assembly. The light source assembly includes a casing, a light source plate arranged on the casing, light emitting units arranged on the light source plate, and a first electrical terminal electrically connected with the light source plate. The first electrical terminal is connected to the casing. The connection assembly includes a bracket, a connection rod mounted inside the bracket, and a second electrical terminal arranged at an end of the connection rod. The first electrical terminal and the second electrical terminal are in plugging and running fit to supply power to the light emitting units. A rotating shaft of the light source assembly and the connection assembly is parallel to an axis of the connection rod.

Abstract: An LED luminaire for a track lighting system, that takes the form of a track section rather than a more customary separate device attached to a track section. The new luminaire has an elongated, extruded housing configured to correspond to the exterior of standard track sections to visually blend in with the overall track system. A circuit board, mounting a plurality of longitudinally aligned LED elements, extends for the full length of the housing, providing downward illumination through an optic member closing the bottom of the housing. The LED housing has a plug-in type connection to an adjacent track section providing physical alignment, electrical power and data functions. Successive luminaires can be connected together, and the new luminaires can be connected to additional standard track sections. The new luminaires can be installed throughout an overall track lighting system, substantially without limitation as to number and/or order.

Abstract: The present disclosure provides an illumination module and an illumination device. The illumination module includes a bottom case, a shield buckled coupled with the bottom case to form an accommodation cavity, a lens and a polygonal substrate provided with a light source which are arranged in the accommodation cavity, the lens being configured to distribute light beams emitted from the light source, where the bottom case has a plurality of side walls, an outer side of each of the plurality of side walls is mounted with a first magnetic component, and the first magnetic component is configured to connect two illumination modules by attraction; each side of the polygonal substrate is provided with an electrical connection interface; and upon the electrical connection interface of the illumination module being plugged into an electrical connection interface of another illumination module, an electrical connection between the two illumination modules is realized.

Abstract: A support with a self-locking function includes a first supporting rod, a second supporting rod, a connecting portion and an elastic member. The first supporting rod is provided with at least one first locking hook and two rotating portions. The rotating portion has a spiral surface and is provided with a groove. The second supporting rod is provided with at least one second locking hook and a rotating portion. The rotating portion is provided with a stopper. The elastic member is sleeved on the connecting portion. The stopper is capable of sliding along the spiral step when the second supporting rod rotates relative to the first supporting rod, and is elastically pushed by the elastic member to insert into the groove. The first locking hook and the second locking hook are fastened in a snap-fit with each other, thereby realizing self-locking of the support without requiring manual locking.

Abstract: The invention relates to a shelf electrical supply system, comprising electrical supply guide track fixedly connected to a shelf; electrical input part connected to the electrical supply guide track; electrical component disposed on the electrical supply guide track; the electrical supply guide track comprises track groove, metal guide track disposed in the track groove, and the electrical input part is electrically connected to one end of the metal guide track; the electrical component comprises magnet block and conductive contact arranged around the magnet block, and when the electrical component is disposed on the electrical supply guide track, the magnet block is attracted to the metal guide track and the conductive contact is in contact with the metal guide track. The system has simple structure, convenient assembly and better personalized design.

Abstract: The present disclosure provides a light-emitting device comprises a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first light-emitting layer separated from the topmost surface by a first distance; a second semiconductor stack arranged on the substrate, and comprising a second light-emitting layer separated from the topmost surface by a second distance; and a third semiconductor stack arranged on the substrate, and comprising third light-emitting layer separated from the topmost surface by a third distance; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights; and wherein the second distance is different form the first distance and the third distance.

Abstract: The present disclosure is directed to systems and methods for providing a moveable output device capable of autonomous (i.e., localized decision-making within the device itself) or semi-autonomous (i.e., shared decision-making based on communications with one or more other moveable output devices and/or one or more remote resources). The moveable output device includes a surface coupling assembly to couple the device to a wall or ceiling and a propulsion system to move the device along the walls or ceiling. The device also includes an environmental detection system and a biometric detection system to collect environmental and/or biometric information used by the control circuitry to determine a routing for the device and to determine adjustments to one or more output system parameters. The routing and output parameters may be based on movements, gestures, and similar made by the subject.

Abstract: The present disclosure provides a light-emitting device including a substrate, a first block of semiconductor stack on the substrate, a second block of semiconductor stack on the substrate and a third block of semiconductor stack on the substrate. The first block of semiconductor stack includes a first emitting wavelength and a first surface away from the substrate. The second block of semiconductor stack on the substrate includes a second emitting wavelength and a second surface away from the substrate. The third block of semiconductor stack includes s a third emitting wavelength and a third surface away from the substrate. The second surface and the first surface are non-coplanar and the third surface and the first surface are coplanar. The first emitting wavelength, the second emitting wavelength and the third emitting wavelength are different.

Abstract: A connection module is configured for installation between a first luminaire and a second luminaire. The module includes a mounting unit. The mounting unit has a left side configured for docking to a right end of the first luminaire and a right side configured for docking to a left end of the second luminaire. The module also includes a device holder that is shaped and sized to hold at least one electronic device. The device holder is removably mounted to the bottom side of the mounting unit.

Abstract: A light-emitting device includes a board; and light-emitting element arrays connected in parallel and each including light-emitting elements mounted on the board and connected in series. The light-emitting elements in each of the light-emitting element arrays include one or more red LED chips and one or more blue LED chips. Each of the red LED chips on the board is disposed non-successively to any other one of the red LED chips along a Y direction and along an X direction. The Y direction is parallel to a direction along which the red LED chips included in one of the light emitting arrays including the red LED chip are arranged. The X direction is perpendicular to the Y direction.

Abstract: A power distribution apparatus including a power supply conduit extending a length of a fixture and at least one power tap connected into the conduit, one embodiment of which may feature a saddle and at least one prong making operative contact with the power supply conduit. An electronic control module may be located proximate the saddle. The power tap may also be connected to a power distribution trough, which may have a plurality of walls, with lips, about a base. Power conductor strips may extend from the prongs along a length of the trough. Product enhancement devices may then access the power distribution trough at any point along the power distribution trough's length. A power-out-connector may be positionable along a power distribution trough for enhancement device access. The power-out-connector may feature at least one spring prong which interfaces with at least one lip and at least one power conductor strip.

Abstract: A lamp adapted for being installed on a roof of a vehicle includes a seat, a main body, and a lamp member. The seat is adapted for being installed on the roof of the vehicle and defines a first pivot axis. The main body has a first end and a second end. The first end is pivotally disposed on the seat so that the main body is pivotable around the first pivot axis. The second end of the main body defines a second pivot axis. The lamp member is pivotally disposed on the second end so as to be pivotable around the second pivot axis. The lamp member has a luminous device which is capable of emitting light. The first pivot axis is non-parallel to the second pivot axis. As a result, both angle and direction of the lamp member can be adjusted.

Abstract: An energy consumption device includes a housing that supports a first and second terminal. An energy consuming module, which may include a light emitting diode array, is supported by the housing and is thermally coupled to a thermal bridge that extends below a lower surface of the housing. A cover can be positioned so as to secure the energy consuming module between the cover and the housing. A plurality of magnets can be configured to secure the energy consumption device to a rail that supports powered contacts so that the first and second terminals engage the powered contacts and the thermal bridge is pressed against the rail.

Abstract: A quickly connectable plug and socket for power connection of electrical lighting apparatus comprising a male plug which is capable to be inserted and connected with a female socket; conductive contact pieces are provided in the female socket; conductive pins are provided on the male plug; at least two resilient claws are arranged along a circumference of a cavity of an insertion portion of the female socket; each resilient claw is provided with first teeth axially arranged in a column with respect to the female socket; outer circumferential surface of an insertion portion of the male plug is provided with second teeth corresponding to the first teeth and arranged axially in columns with respect to the male plug; the insertion portion of the female socket is also provided with a position limiting groove; a position limiting button corresponding to the position limiting groove is provided on the male plug.

Abstract: A lighting unit according to one embodiment includes a board, a support member, and a plurality of heat radiation fins. A light emitting element is disposed on a first surface of the board. The support member has an interior surface on which a second surface of the board that is opposite to the first surface is disposed to be in contact therewith to enable heat conduction from the board to the support member. The heat radiation fins are disposed on an exterior surface of the support member substantially parallel with each other and with a clearance between each other, and each having a flat shape that extends outwardly from the exterior surface.

Abstract: An energy consumption device includes a housing that supports a first and second terminal. An energy consuming module, which may include a light emitting diode array, is supported by the housing and is thermally coupled to a thermal bridge that extends below a lower surface of the housing. A cover can be positioned so as to secure the energy consuming module between the cover and the housing. A plurality of magnets can be configured to secure the energy consumption device to a rail that supports powered contacts so that the first and second terminals engage the powered contacts and the thermal bridge is pressed against the rail.

Abstract: An exchangeable head lighting system may include a canopy and one or more exchangeable lighting heads. The canopy may include a support post configured to receive a connecting post. The support post may provide electrical power to the connecting post. The exchangeable lighting heads may each include a connecting post. The connecting post may be configured to securely interface with the support post such that a rotatable and releasable connection is formed when the connecting post is inserted within the support post. The connecting post may have electrical connections situated to receive electrical power from the support post. The one or more exchangeable lighting heads may include a housing containing a light source.

Abstract: An improvement in a recessed lighting strip that interlocks between insulated roof panels is presented herein. The recessed lighting strip uses mating interlocks to snap between the insulated panels, providing a method to place lights at each panel juncture across the width of the application, without violating the integrity of the panels themselves. The lighting strip is made from extruded plastic or aluminum that is essentially an open-topped rectangular box, shaped on the sides to interlock with foam insulated room panels that are typically 3?-6? thick and used in the construction of patio covers, patio enclosures, sunrooms and all other residential and commercial applications which use insulated roof panels.

Abstract: An LED light device includes display means, track-means, and removable LED-unit(s). The use of track-means and removable LED-units allows the number of the LED-units and the arrangements of LEDs on the LED-units to be easily varied in order to provide light devices having a desired cost, brightness, color, viewing angle, illumination direction and/or area functions, and effects. Furthermore, the track-means may have a multiple-surface construction and a desired length of track-means and width of the LED-units to enable further customization of the light device by addition or removal of light units from the different surfaces.

Abstract: A light module for use as a portable light or as a light source in a track lighting system is described herein. The light module may include a module housing containing a light emitting aperture, and a light emitting diode (LED) light source located inside the module housing, where the LED light source is aligned with the light emitting aperture. The light module further includes a driver electrically connected to the LED light source, and a chargeable power supply component electrically connected to the driver. The light module also includes at least two magnets attached to the exterior of the module housing, where at least one magnet is associated with a positive electrical terminal and another magnet is associated with a negative terminal, and where at least one magnet provides electrical power to at least one of the chargeable power supply component or driver.

Abstract: The described embodiments provide systems and methods for delivering power and data to lighting system. Specifically, the embodiments provide systems and methods for delivering power and data to the type of lighting system which is often used in entertainment programs and specifically live shows. Embodiments disclose various systems incorporating truss technology in conjunction with lighting, dimming, power and data distribution systems encompassing a complete and integrated mobile and rapid deployment lighting and lighting support system. Further embodiments describe truss systems used for managing cable.

Abstract: A lighting module (10), for example of the LED type, for mounting on a rail comprises a circuit board (12) for carrying one or more light radiation sources (L), and a support structure (14) with a first side (14A) facing the rail and carrying the aforementioned circuit board (12) and a second side (14b) situated on the opposite side to the rail and carrying one or more lenses (16) for the light radiation sources (L). The support structure (14) carries one or more flexible electrical contacts (18) having a first end (18a) protruding from the first side (14a) of the support structure (14) for making contact with an electrical line (T) provided on the rail (R) and a second end (18b) which extends towards the circuit board (12) so as to provide electrical contact for the light radiation source or sources (L).

Abstract: A plurality of adjacent capsules, each comprising a base component, a body component carrying an LED circuit board, and a lens component, wherein the body and the base snap together and the lens snap-fits to the body. Such capsules are attached to a flexible electrical power cable by electrical connector components internal to the body and which conduct power from the power cable through the body to the LED circuit board.

Abstract: A retrofit kit for an existing light, that has a prewired assembly, including a housing having wiring to electrical mains, an LED light source, at least one control for said LED light source, both said LED light source and said control being wired to said wiring, and said housing having a at least one mounting device that fits on existing structure of the existing light. The mounting structure can include tabs, for example, that attach to hanging part of the light, or can include a part that attaches to the existing surfaces on the housing of the light that previously held the socket for the existing bulb.

Abstract: An electronic system comprises at least a base part, a power source and at least one electronic module adapted to be powered by the power source. The base part is provided with at least two parallel extending, elongated tracks being electrically conductive. At least one parameter of the electronic module is changeable by amending the distance of the electronic module to a predetermined location on the tracks.

Abstract: A flexible multi-line conductor and multiple luminaire connectors may be provided. Each one of the luminaire connectors may be coupled to a corresponding luminaire and the flexible multi-line conductor. Each of the luminaire connectors may be moveable relative to each other. The flexible multi-line conductor may bend in response to movement of any of the luminaire connectors relative to each other. The flexible multi-line conductor may include multiple conductors. Each one of the luminaire connectors may couple a corresponding one of the luminaires to a different set of the conductors than the other luminaire connectors couple to the other luminaires.

Abstract: A retail display shelf system has a gondola. There are a pair of conductive standards which are cooperatively configured for supporting conductive shelf support brackets. A circuit board has an array of light emitting diodes. The circuit board has, at each end, a connector. Each connector is adapted to connect electrically to its respective shelf support bracket, so that current travels from a low voltage power supply through the somewhat vertical standards through the shelf support brackets, through the circuit board, to power each of the LEDs, to illuminate local parts of the retail display shelf system. Various display elements reflect or transmit the light.

Abstract: Embodiments of the invention provide for a linear lighting system with a plurality of discrete light sources. Other embodiments of the invention include heat dissipation techniques and apparatus for a linear light system. Other embodiments of the invention include a two component lighting system that includes rails and nodes. In some embodiments, the lighting and control aspects can be divided between the rail and node. In yet other embodiments a linear lens providing a unique photometric distribution is provided.

Abstract: A light bar for use on firefighting or other emergency vehicles includes an elongate base that provides a versatile mounting platform for primary visual and audible warning devices as well as providing a mounting platform for other types of equipment such as secondary visual and audible devices, optical devices, cameras, weather monitoring equipment, GPS devices, preemption devices, running lights and other devices that have been traditionally mounted on a firefighting or emergency vehicle roof and/or other exterior surface area of the emergency vehicle. The light bar is versatile in both allowing many different types of equipment to be selectively mounted and adjustably positioned on the base, and on pairs of support plates that are attachable to the opposite ends of the base and provide support for different combinations of signal lights and other equipment.

Abstract: A decorative lighting system has a light holding assembly, a base section member, and a top section member on the base section member. The light holding assembly has an elongated tubular body having a cavity defined therein, a flange extending from the elongated tubular body, and a plurality of lights within the elongated tubular body. At least a portion of the elongated tubular body is made of a material that allows light to pass through that portion. In addition, at least a portion of the flange is between the base section member and the top section member such that the light holding assembly is held between the base section member and the top section member.

Abstract: The present invention relates to a control module (30) for a lighting system, which lighting system (10) comprises a base module (11) with at least two parallel electrodes (16) and at least one light module (20) coupled with said electrodes (16), said control module comprising: a controller (30) adapted to control at least one parameter of the at least one light module (20), and a holding member (28) adapted to removably hold said control module in engagement with said electrodes (16) of said lighting system (10). It also relates to a lighting system and a light module (20) for such a lighting system.

Abstract: A magnetic track and lighting system is described. The present magnetic luminaire attaches to a track through magnetic connectors and provides easy mobility of the luminaires on the track without necessary mechanical attachment mechanisms. The magnetic luminaire incorporates the utilization of LED sources and provides in its design cooling and heat dissipation by the interface between the magnetic luminaire and the track.

Abstract: A lighting device may include a transformer; a rail device, configured to be attached to a surface of an object, wherein the rail device has two rails, which are arranged so as to be spaced apart from one another, to which rail device a lamp can be attached and on which the lamp can be supplied with power, the rails being electrically connected to the transformer, at least one first lamp being arranged on the rails and being configured to be supplied with power in the low-voltage range via the transformer and the rails; and at least one second lamp being arranged on a housing of the transformer and being connected to the system voltage.

Abstract: A lighting device comprises, or consists essentially of, a housing, a solid state light emitter and conductive tracks. The conductive tracks are positioned on the housing and are coupleable with a power supply. The conductive tracks comprise a positive conductive track and a negative conductive track. Each of the solid state light emitters is in electrical contact with a positive conductive track and a negative conductive track. Another lighting device comprises a fixture and a solid state light emitter in which the fixture comprises conductive elements which are coupleable to at least one power supply and the solid state light emitter is mounted on the fixture. There is also provided a lighting device which provides light of an intensity which is at least 50 percent of its initial intensity after 50,000 hours of illumination.

Abstract: The invention provides an apparatus for engaging and disengaging a track lighting assembly with respect to a track in a track lighting system. The apparatus includes a track engaging apparatus that includes a housing. The housing includes a rotation inhibitor that has a protruding end that protrudes from the housing for engaging with the track and preventing the track engaging apparatus from rotating with respect to the track. The rotation inhibitor further includes a receiving member for translating a force in a first direction into motion of the rotation inhibitor in a second direction substantially orthogonal to the first direction. The apparatus further includes an actuator for applying the force in the first direction to the receiving member.

Abstract: Light sources in a luminaire attach to the luminaire by one or more tabs. Up to three axis of rotation are possible. Bendable tabs enable a first axis of rotation of the light source. Light sources are rotatable about a mounting point to the tab providing a second axis of rotation. Some tabs are twistable about a third axis of rotation. Some tabs also conduct heat away from the light source. Tabs can also be formed in a baffle plate for new luminaires or for the retrofit of existing luminaires. Multiple types of light sources can be combined to provide luminaires with custom light patterns and intensities.

Abstract: A bendable line voltage track lighting system includes a track having a conductor subassembly and first and second bendable sheaths that engage the conductor subassembly. The conductor subassembly includes first and second insulators that receive first and second bus-bars, respectively, and a compression gasket for biasing the two insulators into engagement with guide grooves in the bendable sheaths. Power is fed to the track by power connectors that engage the bus-bars contained within the conductor subassembly. Light fixtures are powered by making electrical contact with the bus-bars of the conductor subassembly.

Abstract: A track lighting system comprises an extruded track body, having adjacent first and a second track sections; a defined entrance to the track body that is common to both the first and the second track sections, a respective conductive member connectable to an electrical power source disposed at a bottom of each of the first and the second track sections so as to form two independent circuits within the extruded track body; and a separating wall positioned between the first track and the second track. The system further comprises a light fixture insertable through the entrance so as to make electrical connection with one of the conductive members, the fixture comprising: a socket housing a stem connecting the socket housing to a transformer housing containing an electrical circuit having an output transformer; a lamp in electrical connection with the output transformer by wires within the stem; and the transformer housing including a wall having first and second contact slots formed therein.

Abstract: An element for coupling a lighting appliance to an electrified rail includes two separate components, the first of which exclusively provides the electrical connection to the electrified rail, and the second of which is mechanically separate from the first component and is of essentially of box form. In one embodiment, the second component includes a U-shaped bracket configured to clamp to the electrified rail from the outside, to support the lighting appliance, and to house electrical components, each lateral flange of the clamping bracket having an inner surface that is partially shaped to be complementary to the outer surface of the rail. The second component further includes a U-shaped bracket configured to interlink with the clamping bracket and to confine the volume defined by the clamping bracket that is not taken by the rail.

Abstract: The modular track luminaire system of the present invention is a modular lighting system which has a lighting unit which is electronically connected to a remote ballast housing by a removable and reattachable insulated cord and plug system, the luminaire unit electrically connected to the ballast housing through the flexible cord and plug system thereby allowing the entire system to be modularized.

Abstract: A track light module for use with a low-voltage track carrying a pair of elongated conductors transversely spaced from each other and accessible through a longitudinal slot in the track. The module includes a first housing that contains a printed circuit board carrying an LED and forming an aperture permitting light from the LED to be radiated beyond the first housing. A second housing carries a pair of electrical conductors adapted to extend into the low-voltage track to make contact with the conductors within the track. The second housing also includes surfaces for fastening the second housing to the track when the second housing and the track are moved relative to each other. A pair of electrical contacts on the printed circuit board contact the conductors carried by the second housing and thereby receive electrical power for the LED. A connector attaches the first and second housings together.

Abstract: The invention provides an apparatus for engaging and disengaging a track lighting assembly with respect to a track in a track lighting system. The apparatus includes a track engaging apparatus that includes a housing. The housing includes a rotation inhibitor that has a protruding end that protrudes from the housing for engaging with the track and preventing the track engaging apparatus from rotating with respect to the track. The rotation inhibitor further includes a receiving member for translating a force in a first direction into motion of the rotation inhibitor in a second direction substantially orthogonal to the first direction. The apparatus further includes an actuator for applying the force in the first direction to the receiving member.

Abstract: An adjustable track lighting fixture of a type having rotary locking lever for securing the fixture to a bus bar, where the locking lever is economically formed with an internal confinement facility of removably housing an Allen key to be retained with the fixture and used for locking the adjustments of the fixture when desired. A spring, also housed internally of the locking lever, resiliently but releasably retains the Allen key until purposefully withdrawn by a workman. The key is returned to its confinement after the workman has finished using it for the purposes intended. The key is retained in an inconspicuous manner but nevertheless visible to the workman and readily extracted for use when desired.

Abstract: A simplified assembly truss system rivets each power track inside one chord of each truss span so that the electrical components cannot be misaligned inside the chord during final assembly. The chord is slotted to receive lighting heads in its mid-sections, and short end slots allow interconnecting plugs to be inserted into matching power track ends. A stop captured by the rivets near each chord-end indexes the interconnecting plugs to ensure the final electrical assembly is correct.

Abstract: A bendable line voltage track lighting system includes a track having a conductor subassembly and first and second bendable sheaths that engage the conductor subassembly. The conductor subassembly includes first and second insulators that receive first and second bus-bars, respectively, and a compression gasket for biasing the two insulators into engagement with guide grooves in the bendable sheaths. Power is fed to the track by power connectors that engage the bus-bars contained within the conductor subassembly. Light fixtures are powered by making electrical contact with the bus-bars of the conductor subassembly.