Abstract: A casing assembly includes a casing and a light emitting module. The casing is provided with an accommodation recess formed by an inner wall surface and a light outlet portion formed by two inner peripheral edges. The accommodation recess communicates with the light outlet portion. The light emitting module is disposed in the accommodation recess of the casing and located close to the light outlet portion. The light emitting module is provided with a light emitting surface, and a normal line of the light emitting surface is non-parallel and non-perpendicular to an opening direction of the light outlet portion.

Abstract: An LED lamp includes a heat sink, a plurality of LED light boards, an LED driving power and a diffuser. The heat sink has a long hollow tubular structure. The heat sink includes a top plate and a plurality of mounting plates, and an angle is defined between two adjacent mounting plates. The LED light boards are arranged on outer surface of each mounting plate. The outer surface of the top plate is exposed to air. The diffuser covers all the LED light boards, and is connected with the heat sink. Two end covers are separately arranged on two ends of the heat sink. The LED lamp in the present disclosure has the advantages of compact structure, good heat dissipation effect, large luminous angle, good waterproof effect, convenient connection and so on.

Abstract: A lighting system includes two or more three-dimensional structural frames that are joined to one another by at least one shared frame component and at least one shared connector to form a modular structural frame. The frames can be fitted with a light emitting panel for emitting light downwardly. The frames can be suspended from a ceiling via suspension cables or can be fixedly mounted to a ceiling.

Abstract: A selectively-illuminable lug nut assembly includes a lug nut body portion and an illumination subassembly housed within a containment portion at an upper end of the lug nut body. The lug nut main body portion may have a multi-faceted exterior and a threaded aperture extending into a lower end for threading engagement with a threaded vehicle wheel stud. At an upper end, the lug nut body defines a containment portion for housing the illumination subassembly. The assembly may incorporate a light and/or motion sensor for automatically biasing the assembly between ON and OFF states. Furthermore, a printed circuit board having LEDs mounted thereon may be in communication with a remote control device enabling a user to selectively bias the assembly between the ON and OFF states.

Abstract: A connector is provided to be assembled on a first illumination element and configured to be releasably coupled to a mating connector on a second illumination element. The connector includes a connection element comprising a conductor. The conductor comprises a first end coupled to a cable extending through the connection element, and a second end is releasably connected to an end of a mating conductor of the mating connector. A mounting member is configured to secure the connection element to the first illumination element, and a first gap is defined between an internal surface of the mounting member and the external surface of the connection element. A first sealing element is coupled to the mounting member and the connection element; and a second sealing element is coupled to the mounting member and the cable.

Abstract: Light strip is disclosed, which comprises a light strip, wherein the light strip comprises a strip, a light source, a plug and an input line; the plug comprises an end surface, a left side surface, and a right side surface; a first light transmitting layer and a vacant portion, the first light transmitting layer is disposed above the vacant portion, the input line is connected to the left side surface or the right side surface of the plug. The input line is disposed on the left side surface or the right side surface of the plug according to the present disclosure. When it requires to extend the length of the light strips, the end surfaces of the light strips can be seamlessly connected without bending the input line, thus making the light strips easy to install and more beautiful in appearance.

Abstract: A lighting assembly includes an LED string affixed to a lamp support connected between first and second lighting sockets and includes an non-conductive coupling and a pair of conductive support segments. Each support segment is connected between the coupling a corresponding lighting socket, either directly or via an intervening endcap. The LED string includes an LED module and a pair of interconnects. The LED module includes one or more LEDs and power circuitry for coupling a supply voltage to the LEDs. The interconnect pair may include positive and negative interconnects. A fixed end of each interconnect is electrically and mechanically connected to a corresponding support segment. The first support segment is electrically coupled to a positive terminal of a voltage source and the second support segment is electrically coupled to a negative terminal of the voltage source, the interconnect pair conveys a supply voltage to each LED module.

Abstract: An LED tube lamp comprises a plurality of LED light sources, an end cap, a power supply disposed in the end cap, a lamp tube, and an LED light strip. The lamp tube extends in a first direction along a length of the lamp tube, and has an end attached to the end cap. The LED light strip is electrically connected the LED light sources with the power supply. The LED light strip has in sequence a first wiring layer, a dielectric layer and a second wiring layer. A thickness of the second wiring layer is greater than a thickness of the first wiring layer.

Abstract: Various embodiments may relate to an illuminating device including a housing, an electronic assembly accommodated in the housing, and at least one adjusting mechanism arranged on at least one side of the electronic assembly, the adjusting mechanism is in operative connection with the electronic assembly and is operated from outside of the housing so that the electronic assembly is tensionedly held in the housing.

Abstract: An angle adjustment mechanism for LED bar lighting includes a lamp body, two end covers arranged two ends of the lamp body along an axial direction thereof, two lamp frames respectively mounted on the two threading pipes, two wheel gears respectively fixed on the two lamp frames, two outer end caps fixed and covered on the two end covers, respectively, and at least two stopping plates respectively received in the two lamp frames. Each of the two end covers includes a threading pipe extending along the axial direction of the lamp body. Each of the two wheel gears includes a plurality of gear teeth taken along a radial direction thereof and rotating around the threading pipe. Each of the stopping plates provides at least one stopping tooth which is coupling to the gear teeth.

Abstract: An illumination apparatus includes: a light source; a rod-like light guide having an incident surface that enters light from the light source that is disposed on one side in a main-scan direction, a diffusing surface that diffuses light that enters from the incident surface, and an emission surface that linearly emits light towards a bill; and a reflection member having a reflection surface that reflects light diffused by the diffusing surface to the light guide. The light guide has a locking projection that is locked in the reflection member on one side in the main-scan direction. The reflection member has a locking hole in which the locking projection is locked. A cut-out portion at which one part is cut out is formed in the locking hole.

Abstract: The present disclosure relates to the field of production of liquid crystal displays, in particular to a light guide plate assembly, comprising: a light guide plate which includes a first side edge for introducing light and a second side edge through which no light can be introduced, and a frame for fixing the light guide plate, the frame at least partially surrounding the second side edge of the light guide plate, wherein a buffer member that is at least partially deformable in an elastic manner is disposed between the frame and the second side edge of the light guide plate.

Abstract: An LED-based replacement light for a fluorescent light includes a plurality of LEDs and an elongate housing for the LEDs. The housing is defined at least in part by a lens and has a cross sectional profile that partially falls along a cross sectional profile of a fluorescent light that the LED-based light is designed to replace. In addition, at least a portion of the lens extends beyond the cross sectional profile of the fluorescent light. The LED-based light also includes at least one connector arranged at an end of the housing that is configured for engagement with a socket of a fluorescent light fixture.

Abstract: Embodiments of an end-cap for an LED tube are described. In one aspect, an end-cap for an LED tube may include an end-cap housing, at least one elastic component, and a connecting assembly. The end-cap housing may include at least one power pin thereon and configured to connect to an external power source. The elastic component may reside inside the end-cap housing. The end-cap housing may connect to a first end of the connecting assembly via an extendable connection and a second end of the connecting assembly opposite to the first end thereof connects to a body of the LED tube through at least one power connector. The power connector may connect to the at least one power pin when the elastic component is pressed. The power connector may remain separate from the at least one power pin when the elastic component is not pressed.

Abstract: An LED lamp fixture is provided with a frame; a plurality of bulb sockets mounted on the frame; and a plurality of LED lights each mounted between the bulb socket and a predetermined position of the frame opposite to the bulb socket. Each LED lights includes a front recess and two side grooves. Each bulb socket includes a housing releasably fastened in the recess, two flexible side wings on both sides of the housing respectively, and a spring activated button for extending or retracting the side wings so that the side wings are releasably disposed in the side grooves.

Abstract: A LED assembly and method for retrofitting a fluorescent lighting fixture into an LED lighting fixture. The resulting retrofit LED lighting fixture includes the preexisting fluorescent lighting housing, a lens door, a sheet metal LED insert, and a modular LED printed wiring assembly.

Abstract: A light fixture (400) includes a housing (401) having a cavity (403) for use with at least one accessory module (415). A light source (411) is integrated in the housing (401) such that the accessory module (415) is modular for allowing functionality of the light to be customized to a specific application. The light fixture (400) is particularly useful in an RV environment where a single light housing is all that is available which must have user selectable functionality in a limited space location. Moreover, the accessory module (415) makes it easy to move functional features from fixture-to-fixture enabling the user to achieve greater utility in many different lighting applications.

Abstract: A linear light-emitting diode (LED) tube lamp having a readily retrofittable modular structure enables consumers or manufacturers to readily retrofit the lamp by replacing an LED module or internal electronic control units that include an LED driver in maintenance or lamp upgrade without hazards. The readily retrofittable modular structure includes a core assembly in each of lamp bases for easily securing or removing the electronic control unit through a mechanical securing means, and two sets of connection modules for quickly connecting and disconnecting the electronic control unit with the LED module. The readily retrofittable modular structure may use one bi-pin or two bi-pins to connect to the AC mains via pluggable wire for delivering power to the LEDs. Thus, the LLT lamp using the readily retrofittable modular structure may be configured as single-ended, double-ended, or double-ended with double shock-protection switches and can be cost-effectively retrofitted after initial installation.

Abstract: An LED lamp for use in two-by-two light fixtures having coplanar electrical receptacles. The LED lamp is ideal for use as a replacement of fluorescent lamps in existing fluorescent fixtures and is U shaped with electrical connectors at each end. The U shaped elongate tube is made of an outer shell defining a cavity with a PCB mounted therein. The LED elements are mounted on the PCB. The LED lamp does not have coupling connectors enabling it to emit light along the entire axial length of the tube.

Abstract: A lighting fixture includes a housing formed from walls that are connected by corner posts that are inserted into the ends of the walls eliminate light leaks and external fasteners. The corner posts include barbs or screw holes for receiving screws from the inside of the walls. The housing can be used as a retrofit for a recessed lighting fixture where the housing can surround the lighting fixture and attach thereto. The assembly can then be mounted by a suitable support.

Abstract: The invention provides an elongated lighting fixture with multiple light emitting diodes (LEDs) arrayed in two groups that are angled to each other. The fixture provides an extremely broad light emitting angle and includes an elongated housing having a pair of side walls. Each side wall has a support member extending upward at angle from the side wall, wherein the side walls terminate at a central wall. A generally transparent cover is connected to the housing and extends between opposed ends of the housing. A first group of LEDs and a second group of LEDs are mounted to the first support member and the second support member, respectively. PCB boards assemblies are affixed to respective support members beneath the group of LEDs by tension clips. When the PCBs are energized by a power source, current travels from the PCBs to each LED for illumination.

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: The fixing device of the present invention comprises a base, at least one light guide pillar, and at least one light-blocking element. The base comprises at least one through hole, which obliquely penetrates the base. The at least one light guide pillar is disposed on the base. The at least one light-blocking element corresponds to the at least one through hole; therefore, when the at least one light-blocking element passes through the at least one through hole, the base and the light guide pillar are fixed by the at least one light-blocking element.

Abstract: An electric lamp (1) has two pairs of external connection pins (5) adapted for connecting the lamp to a voltage source for powering an internal lighting module (3). Each pair of pins is disconnected from the lighting module by an open switch (6) unless a non-zero electric voltage is applied to the pair and causes the switch to close. The lamp is therefore safe to handle even in a condition where one pair of pins is connected and the other is not. The lamp may be fitted in a switch-start fixture, providing an ohmic connection between two pins in different pairs, as well as a rapid-start fixture, with a capacitive connection.

Abstract: Adjustable light emitting diode lighting assembly, kit and system and method of assembling an adjustable light emitting diode lighting assembly. The adjustable light emitting diode lighting assembly comprises a mounting can adapted to be mounted in a housing and an upper locking ring adapted to be mounted to the mounting can. A lower base ring is spaced-apart from the upper locking ring. An adjustable collar coupled to the upper locking ring and the lower base ring and interposed therebetween is provided for adjustably supporting a light emitting diode module over a plurality of light distribution angles. Conductive, radiative and/or convective heat sinks are provided for removing heat produced by the light emitting diode module to maintain luminous efficiency and service life of the light emitting diode module.

Abstract: It is an object of present invention to improve wiring workability in a lighting device and to prevent the entry of dust or the like into the device. A backlight unit according to the present technology includes a chassis having hole portions, LEDs housed in the chassis as light sources, relaying and connecting part electrically connected to the LEDs from outside the chassis through the hole portion and relaying electric power supply to the LEDs, and a covering member covering a clearance between the hole portions and the relaying and connecting parts inserted therethrough.

Abstract: The invention provides an elongated lighting fixture with multiple light emitting diodes (LEDs) arrayed in two groups that are angled to each other. The fixture includes an elongated housing having a pair of side walls with at least one fin to dissipate heat. Each side wall has a support member extending upward at angle from the side wall. A generally transparent cover is connected to the housing and extends between opposed ends of the housing. A first group of LEDs and a second group of LEDs are mounted to the first support member and the second support member, respectively. First and second interconnection board assemblies are affixed to respective support members beneath the group of LEDs. When the first and second interconnection board assemblies are energized by an internal power source, current travels from each interconnection assembly through fasteners to each group of LEDs for illumination.

Abstract: A light source module is disclosed. The light source module comprises a light emitting diode (LED) and an LED receiver. The LED is provided with a locating element on a side surface thereof. The LED receiver has a receiving portion, and a snap-fitting structure is disposed on a side surface of the receiving portion to mate with the locating element so that the LED can be located in the receiving portion of the LED receiver. An LED receiver and a backlight device are also disclosed. The light source module and the LED receiver of the present invention allow for optimization of the assembling process of the LED.

Abstract: In a portable light and/or a light source adapter therefor, the open end of a light body has one or more features, and a light source includes an adapter base for being disposed in the open end of the light body. The adapter base has one or more features in an asymmetric pattern complementary to that of the features of the light body, so the adapter base seats in the light body only with the complementary features in a predetermined rotational relationship for mating. The light source may be connected to an electrical connection of the adapter base that mates with the electrical connection of the light body when the adapter base is seated in the predetermined rotational relationship for mating. The light source may preferably be retained in the light body by a retainer.

Abstract: An LED lamp is disclosed herein. In one embodiment, the LED lamp comprises one LED unit arranged in a housing, a first and a second lamp cap being arranged spaced from each other on opposing ends of the housing, said lamp caps each comprising at least one contact element for connecting said LED unit with a lamp fixture. In one embodiment, said first lamp cap comprises contact breaking means, configured to electrically disconnect said contact elements of said first and second lamp caps from each other when said LED lamp is removed from said lamp fixture.

Abstract: An illumination apparatus includes a light source unit comprising at least one light source module comprising a plurality of light-emitting device chips and a lead frame on which the light-emitting device chips are mounted and which connects the mounted light-emitting device chips; a diffusion cover having an interior space in which the light source module is accommodated and diffusing light emitted from the light source module; and an installation portion formed adjacent to the diffusion cover to install the light source module.

Abstract: A base configured to carry a light emitting body and to be inserted into a round tube housing, may include: a rectangular portion configured to carry the light emitting body on a first surface of the rectangular portion; and first and second fixing portions configured to extend from first and second long edges of the rectangular portion respectively in a space that a second surface of the rectangular portion faces, such that when the base is inserted into the round tube housing, at least a part of each of the first and second fixing portions presses against the inner wall of the round tube housing, and a first part close to the first long edge and a second part close to the second long edge in the first surface of the rectangular portion press against first and second protrusions on the inner wall of the round tube housing respectively.

Abstract: The connector for connecting the LED tube to the electrical supply holder has a pair of metal connector pins each of which has a pair of electrical contact in two bores of a circumferential array of bore to allow the LED tube to be inserted into the electrical supply holder in each of several positions 90° apart. In a second embodiment, the connector has a pair of metal connector pins each of which has a semi-cylindrical wall against which a pin of the LED tube contacts. In this embodiment, the LED tube may be turned up to 360°.

Abstract: An illumination apparatus includes a light source unit comprising at least one light source module comprising a plurality of light-emitting device chips and a lead frame on which the light-emitting device chips are mounted and which connects the mounted light-emitting device chips; a diffusion cover having an interior space in which the light source module is accommodated and diffusing light emitted from the light source module; and an installation portion formed adjacent to the diffusion cover to install the light source module.

Abstract: A lamp module includes an external elongated housing made of at least one of a transparent and a translucent material; a lamp terminal with lamp pins at each end of the elongated housing, at least one cold cathode fluorescent lamp (CCFL) disposed in the external elongated housing a reflective layer disposed in the external lamp elongated housing, and an electronic connector adapter having a plurality of contact pins at one end and a plurality of connecting jacks at an opposite end for receiving the lamp pins of one of the lamp terminals.

Abstract: The present invention is an improved LED lighting module. Preferably, the LED lighting module comprises a first LED base, a central LED base containing a printed circuit board, and a third LED base, where the first and third bases are connected by spacer tubes. Each LED base has an LED pc-board mounted thereon. A main power line runs through the set of three LED bases. A first series connector line connects the printed circuit board to the first LED board and a second series connector line connects the printed circuit board to the third LED board. A first connection line connects the first LED board to the central LED board and a second connection line connects the central LED board to the third LED board. These LED module sets can be connected consecutively to create strings of series wired sets from the same main power lines.

Abstract: According to one embodiment, a relay connector connects two input connectors respectively mounted on mounting surfaces of two substrates, ends of which are arranged to be opposed to each other. The relay connector includes a relay connector main body and relay terminals. The relay connector main body includes a substrate regulating section interposed between the ends of the two substrates and set in contact with the ends of the two substrates to form a space between the ends of the two substrates. The relay terminals project from both ends of the relay connector main body to be connected to the input connectors.

Abstract: An LED lamp fixture is provided with a frame; a plurality of bulb sockets mounted on the frame; and a plurality of LED lights each mounted between the bulb socket and a predetermined position of the frame opposite to the bulb socket. Each LED lights includes a front recess and two side grooves .Each bulb socket includes a housing releasably fastened in the recess, two flexible side wings on both sides of the housing respectively, and a spring activated button for extending or retracting the side wings so that the side wings are releasably disposed in the side grooves.

Abstract: A light bar for illuminating a surface that is substantially perpendicular to the light bar includes an elongated housing extending along an edge of the surface to be illuminated. The housing has a wall adjacent the surface to be illuminated, and at least portions of that wall are transparent. A series of light emitting diodes (LEDs) are mounted within the housing and spaced along the length of the housing for illuminating the surface, and a connector couples the LEDs to an electrical power source for energizing the LEDs to produce light that illuminates the surface.

Abstract: Disclosed herein are embodiments of a LED fluorescent tube replacement lamp and lighting modules from which the lamp is constructed. One embodiment of a replacement lamp includes a plurality of interchangeable lighting modules that are configured to be electrically connected to adjacent modules. The interchangeable lighting modules can include end modules each having an end cap with pin connectors, at least one of the end modules includes electrical circuitry connected to the pin connectors for powering the modules. The lighting modules can also be center unit modules having LEDs mounted to a circuit board. The replacement lamps can be made from conceivable configurations of the lighting modules, requiring removal of only one module for repair or replacement.

Abstract: An end cap (104) for a tubular light source (102), the tubular light source (102) being configured to be arranged in a lighting fixture (106) comprising at least one socket (108), wherein the end cap (104) comprises a housing (202), two connector pins (112) at least partly arranged on an outside of the housing (202) and adapted to fit in the socket, and a switch assembly comprising a switch element (110) arranged in between the two connector pins (112) and at least partly protruding from an opening in the housing (202), wherein a first side of the switch element (110) is adapted to fit into a slot in a socket (108) and wherein the switch assembly is configured to form a conductive path between the socket (108) and the tubular light source (102) through an axial rotation of the switch element (110) in relation to the housing (202) as the tubular light source (102) is rotatably mounted in the fixture (106).

Abstract: A light tube holder includes a base and two connectors for receiving either a light-emitting diode (LED) tube or a fluorescent tube. The connector includes a rotary member rotatably received in a through hole defined in a retainer, and three conductive elastic pieces positioned in the retainer around the through hole. One elastic piece is electrically connected to an LED tube drive circuit board, and the other two elastic piece are electrically connected to a fluorescent tube drive circuit board. The rotary member can be rotated to first and second positions, wherein at the first position, the LED tube can be activated, and at the second position the fluorescent tube can be activated.

Abstract: An LED-based light for replacing a fluorescent light in a light fixture comprises: an elongate housing, the housing having a first longitudinal portion with a first cross section and a second longitudinal portion adjoining the first longitudinal portion with a second cross section, wherein a shape of the first cross section is different from a shape of the second cross section, such that the housing includes at least one geometric asymmetry; at least one LED arranged in the housing; and a connector at and end of the housing configured for connection to a light fixture.

Abstract: Disclosed herein are embodiments of LED-based lights for replacing a conventional fluorescent light bulb in a fluorescent light fixture and embodiments of a circuit board mount for an LED-based light tube having an elongate housing with at least one circuit board spanning the housing. One embodiment disclosed herein of a circuit board mount comprises an end cap configured to fit over an open end of the housing. The end cap comprises an end wall, at least one pin connector extending through the end wall and at least one fitted slot extending from the end wall configured to receive an end of the circuit board, the at least one fitted slot having an elastic member within the at least one fitted slot configured to cushion the circuit board.

Abstract: An LED tube is provided for providing general illumination. The LED tube includes a tubular housing having a clear shield and a heat sink opposite the clear shield. A strip including LED lights, circuitry, and electrical hubs are positioned on the backside of the heat sink under the shield. The housing also includes first and second ends that include portions of a quarter turn locking system to allow multiple housings to be attached to one another for a longer string of lighting. A power source for powering the LED lights, and an end cap may also be attached to the first and second ends of the housing by the quarter turn locking system. The housing or housings may be connected to a wall or the like by the use of one or more clip mounts.

Abstract: An end cap for a light-emitting-diode (LED) light tube includes an end cap housing having an end surface, an electric circuit and a switch for closing the electric circuit or opening the electric circuit. The switch includes a switch body having a pivot axis. The switch body is configured to pivotally move, with respect to the pivot axis, between an on-position for closing the electric circuit and an off-position for opening the electric circuit. When the switch is in the off-position, an end part of the switch body protrudes from the end surface of the end cap housing, and when the switch is in the on-position, the switch body and is substantially flush with respect to the end surface. When the switch is in the off-position, an outer surface of the switch body inclines with respect to the end surface of the end cap housing.

Abstract: In a portable light and/or a light source adapter therefor, the open end of a light body has one or more features, and a light source includes an adapter base for being disposed in the open end of the light body. The adapter base has one or more features in an asymmetric pattern complementary to that of the features of the light body, so the adapter base seats in the light body only with the complementary features in a predetermined rotational relationship for mating. The light source may be connected to an electrical connection of the adapter base that mates with the electrical connection of the light body when the adapter base is seated in the predetermined rotational relationship for mating. The light source may preferably be retained in the light body by a retainer.

Abstract: Light fixtures providing improved installation features and methods for installing such light fixtures are described herein. The light fixture may include a light fixture housing that forms a cavity and has a first end, a second end, and a connection means located at either the first end or second end of the housing. The connection means connects the light fixture housing to another light fixture housing. The light fixture further includes a light tray located in the cavity of the light fixture housing below the connection means. The light tray is hand-bendable to provide access to the interior components of the light fixture.

Abstract: A fluorescent lamp fixture for mounting a ballast and at least one fluorescent lamp and a method of dissipating heat from the same is disclosed. The fixture comprises a molded housing defining a groove and a hat-shaped metal strip having an outer wall with at least two surfaces in contact with the sides of the groove and at least one flange in contact with the top of the housing. The metal strip also has a pair of inner walls positioned relative to the outer wall so as to define a chamber. At least one fastener is slidably held by the strip such that a portion of the fastener is retained within the chamber and slides along the inner walls. The fastener secures a ballast in direct contact with the flanges whereby heat from the ballast is transferred to the metal strip and dissipated from the housing during use.

Abstract: A retrofit kit assembly for a recessed lighting fixture and methods for manufacturing and installing the same are described herein. The retrofit kit includes at least two mounting brackets, which can each include at least one lamp socket. The kit also includes at least one ballast, which may be pre-wired to the sockets. Each ballast may include a temporary adhesive on a mounting side thereof, for use during the installation process. For example, the installer may provisionally mount the ballast to an interior surface of an existing housing of the fixture and then permanently mount the ballast using one or more fasteners. The mounting brackets and ballast of the kit may include captive hardware which is held in place in the aperture for the fastener prior to fastening the particular object to the recessed housing, which reduces risk of dropping or losing fasteners during installation.