Abstract: An illuminator apparatus can include: an optical source a collimator lens located on an optical axis of the optical source, for receiving emitted light from the optical source to emit collimated light; and a diffusion lens, located on an emitting surface side of the collimator lens, for receiving the collimated light to diffuse the collimated light. The diffusion lens can be provided with a diffusion section for diffusing central light of the collimated light emitted from a central portion of an emitting surface of the collimator lens and a non-diffusion section for transmitting peripheral light of the collimated light emitted from an outside of the central portion of the emitting surface of the collimator lens, without diffusing the peripheral light.

Abstract: A lighting structure, including: a first conductor having a first insulated portion, a second insulation portion and a first conductor portion therebetween, the first conductor portion being bent so as to form a first horizontal portion and two first vertical portions; a second conductor having a first insulated portion, a second insulation portion and a second conductor portion therebetween, the second conductor portion being bent so as to form a first horizontal portion and two first vertical portions; an LED assembly connected to the first horizontal portions of the first and second conductors; a transparent adhesive covering the LED assembly and the first conductor portions of the first and second conductors; and a light-transmitting cap covering the LED assembly and the first horizontal portions of the first and second conductors.

Abstract: An electronic device includes a first housing including a power module and a second housing coupled to the first housing. The second housing includes a first antenna communicatively coupled to the power module, and oriented in a first direction. The second housing further includes a second antenna communicatively coupled to the power module, and oriented in a second direction that is different than the first direction. At least one printed circuit board (PCB) is disposed in the second housing and communicatively coupled to the power module, the first antenna, and the second antenna A modem module resides within the second housing and communicatively couples to the power module, the first antenna, the second antenna, and the at least one PCB. An interface resides within the second housing and communicatively couples to the power module, the first antenna, the second antenna, the at least one PCB, and the modem module.

Abstract: Apparatus and methods for deploying a fixture. The apparatus may include, and the methods may involve, apparatus for mounting a fixture in a hardscape. The apparatus may include a mount. The mount may include an anchor. The anchor may be configured to be secured to the hardscape. The apparatus may include a support. The support may be fixed to the anchor. The support may be configured to hold the fixture. The apparatus may include a connector. The connector may be configured to releasably connect to an electrical terminal of the fixture. Connection of the connector to the fixture may form a watertight enclosure about the terminal. The connector may include a casing defining a groove. The connector may include an elastomeric ring disposed in the groove. The connector may be configured to prevent movement of the connector relative to the support.

Abstract: A vehicle lamp capsule 32 having a base 34 having a spring 5 which, when lamp capsule 32 is installed, biases an inner surface of a vehicle lamp reflector 12. Spring 5 is monolithically formed with base 34 along with at least one reflector-locating structure on the base such as circumferentially extending exterior locating surface 44 and/or retaining keys 42. Base 34 and spring 5 may be molded of a plastics material. In other embodiments base 34 and spring 5 are made in one piece of sheet metal. The spring 5 formed unitary with the lamp base 34 meets regulatory requirements and avoids a risk of dislodgement of a conventional separate piece-part metal spring which could cause an electrical short when the lamp is installed in the field. The lamp capsule 32 is suitably an H13-style lamp.

Abstract: The present technology relates to luminaires including a housing and a luminaire module disposed within the housing, where the housing has apertures through which light that is output by the luminaire module exits the luminaire towards one or more target areas.

Abstract: A clamp for holding a twisted lighting unit includes a body member having a slot extending from its top wall to its base. The slot extends from an end wall to a side wall to create a passage for receiving a twisted portion of a lighting unit. Parallel surfaces are provided over a portion of the width of the passage to hold the lighting unit in its intended position. Various curves in the slot receive the twist itself and facilitate insertion of the clamp on the lighting unit and reduce the strain experienced along the edge of the lighting unit.

Abstract: A lighting device that allows efficient heat discharge from a light source while avoiding accidents such as firing due to a flammable foreign object in contact with the light source or the like and failures such as reduction in luminous efficiency due to dust or the like adhered to and accumulated on the internal surface of a lens unit.

Abstract: A building block light module includes: an upper portion defining a receiving chamber with opposite open ends; a shield including a plurality of light transmissive surfaces; a circuit board including a plurality of light sources corresponding to the light transmissive surfaces, and a lower portion defining a plurality of connection holes for mating with building blocks. The lower portion and the shield are respectively mounted at the open ends of the receiving chamber.

Abstract: A RV plug connector for supplying exterior lighting that includes: a lid; a connector module, where the connector module is beneath the lid and provides a plurality of connectors related to RV lighting; a plug, where the plug connects to a 12V DC adapter; an external connector, where the external connector provides an outlet for any additional lighting; and a LED light above the lid, where the LED light illuminates the plug connector. The plurality of connectors may include a battery connector, a ground connector, a left turn and brake light connector or a tail and running light connector. The RV plug connector may also include a toggle switch, where the toggle switch activates lighting associated with the plurality of connectors.

Abstract: APs are made by binary condensation via base-to-acid or acid-to-base routes. In the base-to-acid route, an aluminum hydroxide slurry is added to phosphoric acid that reacts to produce an aluminum phosphate condensate. In the acid-to-base route, phosphoric acid is added to an aluminum hydroxide slurry that reacts to produce an aluminum phosphate condensate. In an alternative base-to-acid route, an acidic aluminum phosphate is first made by adding phosphoric acid to a first amount of aluminum hydroxide slurry, and such acidic aluminum phosphate is added to a remaining amount of aluminum hydroxide slurry to react and produce an aluminum phosphate condensate. The reactions can be controlled to form an in-situ layered aluminum phosphate. So-formed APs can be amorphous, crystalline, or a combination thereof, and have low oil absorption and surface area, making them particularly useful in such end-use applications as extender pigments in coating compositions, replacing up to 70 wt % of TiO2.

Abstract: A bulb socket and a lighting system, which can reduce components and dimensions and improve a force for holding a bulb, are provided. A housing has an insertion hole including an opening for receiving a base portion of a bulb, and a plurality of projection portions projecting from a deep side wall of the insertion hole toward an opening side. The projection portions are opposed to each other so that the base portion is sandwiched therebetween. A distance between the projection portions is formed smaller than a cross-sectional dimension of the base portion. When the base portion is inserted into the insertion hole, the projection portions are elastically deformed away from each other, and contacts slidingly a surface of the base portion. The base portion is sandwiched by a biasing force of the elastically deformed projection portions in a biasing state, and thereby the bulb is held.

Abstract: A holder for a light source in the opening of a reflector for a vehicle headlamp, includes a retention ring extending in a ring plane, for an arrangement on the reflector, wherein the light source can be retentively arranged in the opening of the reflector. To allow a safe arrangement of the light source in the opening of the reflector and to prevent that a number of retention rings can get entangled, it is provided according to the invention, that the retention ring has tongues holding the light source in the opening of the reflector by means of elastic spring deflection, the tongues having a first tongue end and a second tongue end, and wherein the tongue ends lie essentially on the ring plane of the retention ring.

Abstract: A lamp holder has a built-in night light. The lamp holder may be part of a light device that is assembled on a production line or may be purchased by people to add to an existing lighting devices lamp holder.

Abstract: The present invention is directed to an electrical wiring device that includes at least one circuit configured to provide an output signal in response to at least one external input signal. The device further comprises a light emission and detection assembly that includes: a lamp sub-assembly coupled to the at least one circuit, the lamp subassembly including at least one light emitting element configured to emit light in response to the output signal; and an ambient light sensor sub-assembly coupled to the at least one circuit and including an ambient light sensor and a sensor housing assembly, the ambient light sensor being configured to generate the at least one external input signal in response to sensing an ambient light level in the space, the sensor housing assembly being configured to substantially isolate the ambient light sensor from the light emitted by the lamp sub-assembly.

Abstract: A wall-mountable luminaire may include interchangeable adapter plugs having first and second male connectors, the first of which connects electrically and mechanically to an external electrical socket, and the second of which connects electrically and mechanically to an on-board multi-standard socket. A power supply may detect a plurality of electrical power types received from the multi-standard socket, and may condition that input power to drive LEDs. Remote computing devices may transmit control data wirelessly to direct a controller to selectively operate the LEDs to form a modified distribution pattern. A housing assembly may support wall mounting of the luminaire, and trim assembly may define a cavity that provides aesthetic and protective cover for the components carried by the housing assembly. A method aspect of the invention details steps for operating the luminaire.

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: An LED projection night light for night time or dark area use includes a plug-in wall outlet night light or direct current operated night light with projection features to project an image, message, data, logo, or time on a ceiling, walls, floor, or other desired surface. The LED night light incorporates optics means such as an optics-lens, slides, openings, or cut-outs, and/or a transparent material piece, translucent material piece, telescope assembly, housing-member, slide-film, slide-disc, elastic-member, tilt-means, rotating-means, adjust-means, roller-means, mechanical-means, extend-means, convex lens, and/or concave lens designed to make the desired image, message, data, logo, or time project to the ceiling, walls, floor, or other desired surface to be seen by a viewer. The LED light has an interchangeable power source arrangement, permitting the night light to be selectively powered by either an AC powered sealed-unit or a DC powered battery-pack.

Abstract: A modular lighting system for mounting in the garage, under a cabinet, or on a wall area includes a LED light mounted in the housing and two battery operated detachable, removable flashlight assemblies mounted in the housing. The flashlight assembly includes a rechargeable battery; an electrical device, such as a male plug for interconnecting the battery and power source; and an electrical device for sensing power loss. The lighting system also includes a flashlight electrical connection in the housing, such as a plug receptacle, for connection to the male plug for supplying power from the power source to the detachable flashlight assembly.

Abstract: A light-emitting element may include at least one coding element. The coding element may have at least two switching states and an operating mode of the light-emitting element may be set on the basis of a switching state of the coding element.

Abstract: A decorative lamp comprises a base, a light-emitting component, a transparent plastic housing, and a light-transmitting hollow column. The base is provided with an electrical connection portion for connecting to a public electrical source. The light-emitting component is mounted to a top of the base and electrically connected to the electrical connection portion of the base. The transparent plastic housing defines a bottom opening and a top opening and is provided with a laser-engraving pattern, wherein the housing is fixed to the base via the bottom opening thereof and accommodates the light-emitting component therein. The light-transmitting hollow column contains slightly-viscous flowable liquid therein and is securely fixed to the housing by providing a bushing at a bottom of the column and inserting the busing into the top opening of the housing.

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: The present disclosure is generally directed to illumination devices, and methods for making the same. The device, in particular, includes a first conductor layer, a first insulator layer disposed on the first conductor layer and having at least one first aperture defined therein through the first insulator layer, a second conductor layer disposed on the first insulator layer and having at least one second aperture defined therein through the second conductor layer and positioned to align with the at least one first aperture, and a light manipulation layer disposed on the second conductor layer and having at least one pair of apertures defined therein through the light manipulation layer including a third aperture and a fourth aperture, where the third aperture is positioned to align with the at least one second and first apertures.

Abstract: A component lighting system allows for easy installation, removal, and reconfiguration. The system allows individual elements to be readily replaced and allows new components to be readily added to the system. The system can be removed from one installation, broken down into its individual elements, and installed in a new installation with the same or a different configuration. The electric conductors of the system are encased within conduit and junction boxes rated for high voltage systems such as traditional 110V or 220V lighting systems so that the system is compatible with both traditional line voltage AC systems and low voltage DC LED systems. The junction boxes and conduit are plenum-rated such that the system to be installed above a drop ceiling while conforming to most existing building codes.

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: The present disclosure generally relates to several embodiments of a new illumination device using a plurality of LEDs, the device is designed to better diffuse heat produced from a heating driver circuitry and the LEDs in a way that allows for either the operating or equilibrium temperatures of the heat sensitive elements as part of the device to be subject to less stringent temperature increases and therefore improve the viability and energy performance of the device. The new design includes toroid-shaped external rings for the plurality of LEDs and a middle opening for the driver circuitry. The new design further includes fins and the use of different spaces and openings within the housing to help control the flow of heat by way of thermal conduction, thermal convection, or thermal irradiation.

Abstract: A lighting device comprising a trim element, an electrical connector and at least one solid state light emitter, the lighting device weighing less than one kilogram. If current of about 12 watts (or in some cases about 15 watts, or in some cases not more than about 15 watts) is supplied to the electrical connector, the at least one solid state light emitter will illuminate so that the lighting device will emit white light of at least 500 lumens. Also, a lighting device that weighs less than one kilogram and can generate white light of at least 500 lumens using a current of not more than about 15 watts. Also, a lighting device for mounting in a recessed housing, comprising a unitary structure trim element that conducts heat away from at least one solid state light emitter and dissipates at least some of the heat outside of the recessed housing.

Abstract: A connection mechanism is provided for connection to a lamp tube, including a male member and a female member. The female member has a wave-shaped structure on an inner surface thereof. The male member has a main body and several pins, wherein each pin has a curved slope and a curved surface connecting the main body with the curved slope. The male member is rotatable relative to the female member when in a first position, wherein the curved slope is slidable on the wave-shaped structure. The curved surface is engaged with the wave-shaped structure when the male member moves to a second position, so as to restrict rotation between the male and female members.

Abstract: This invention relates to lighting apparatuses, and more particularly to a lighting apparatus which can dissipate heat from a lighting emitting module and an electronic module, reduce weight, and enables easy partial replacement and service.

Abstract: A lighting device comprises: a first substrate comprising a first connector and a first connection terminal, the first connector being connected to an external power supply or driving device, the first connection terminal being electrically connected to the first connector; and a second substrate connected electrically to the first connection terminal and comprising a light emitting device.

Abstract: The present invention is directed generally to lighting devices, and more particularly to white light LED-based lighting devices configured such that key subassemblies may be replaced, thereby enabling the modification, upgrade and/or repair of said device.

Abstract: A wall-mountable luminaire may include interchangeable adapter plugs having first and second male connectors, the first of which connects electrically and mechanically to an external electrical socket, and the second of which connects electrically and mechanically to an on-board multi-standard socket. A power supply may detect a plurality of electrical power types received from the multi-standard socket, and may condition that input power to drive LEDs. Remote computing devices may transmit control data wirelessly to direct a controller to selectively operate the LEDs to form a modified distribution pattern. A housing assembly may support wall mounting of the luminaire, and trim assembly may define a cavity that provides aesthetic and protective cover for the components carried by the housing assembly. A method aspect of the invention details steps for operating the luminaire.

Abstract: Provided is a light emitting device which can uniformly diffuse and radiate light from all the regions of the globe of an LED bulb without deteriorating light transmission efficiency. A light emitting device is provided with a light scattering/guiding globe and an LED which is disposed on one end of the light scattering/guiding globe. The light scattering/guiding globe is a body with no air released from the inside and is composed of a light scattering/guiding material having light scattering particles contained therein. The globe has the bottom surface on the side of the LED, and is provided with a first light incoming surface as a first hollow section, which is formed in a circular cone shape in the light outputting direction from the bottom surface.

Abstract: A device having built-in digital data means is powered by an unlimited power source for a lamp-holder, LED bulb, light device connected to unlimited power source by prongs or a base that can be inserted into a socket that would otherwise receiving a bulb. The device may take the form of a webcam having auto tracking functions and retractable prongs that plug directly into a wall outlet.

Abstract: A lamp structure comprises a base, a light-guiding body, and a shade. The base defines an opening at a top thereof and multiple air holes at a periphery thereof, and provided with an electrical plug and a control switch. The interior of the base is provided with a control circuit board including a light module and a negative-ion generator, wherein the control circuit board is electrically connected with the electrical plug and the control switch. The light-guiding body is fitted into the base via the opening of the base, so that the light emitting from the light module can be directed out of the base. The shade is mounted on top of the base, wherein the shade is configured to be a hollow cylinder defining multiple light-through holes on a periphery thereof, whereby the light going out of the base can go through the light-through holes of the shade.

Abstract: Modular LED lighting systems can provide under-cabinet lighting. According to some embodiments, an LED lighting system may be provided with at least one LED light strip, a switch unit, and a removable electrical connector electrically connecting the at least one LED light strip to the switch unit in an end-to-end configuration. According to other embodiments, a modular under-cabinet LED lighting system may be provided having a plurality of LED light strip units having a female power receptacle at each end thereof, and at least one removable electrical connector received within respective female power receptacles at respective ends of an adjacent pair of the LED light strip units to electrically connect the pair of LED light strip units in series one to another in an end-to-end configuration. Because of the modular nature of the various components, a lighting system tailored to a specific under-cabinet lighting need can be provided.

Abstract: A detachable LED bulb which is easy to be maintained is disclosed. The LED bulb includes a circuit board, LED elements, heat dissipating cup, a base and a power driver. The circuit board has two power lines with a second connector. The LED elements are mounted on the circuit. The heat dissipating cup has a hollow portion, a seat for supporting the circuit and a second coupler. The base has a first coupler for coupling with the second coupler. The power driver is received in the hollow portion of the dissipating cup, is electrically connected between the base and the circuit board, and has a first connector for detachably connecting the second connector of the power lines.

Abstract: A water-proof light-emitting decoration building block is connected to the top or bottom end of connected conventional light-emitting basic interlocking bricks and includes a light-transmittable brick, multiple first one-way conductive members and multiple second one-way conductive members. The brick has a top end and a bottom end, one of the top and bottom ends has a water-proof decoration portion and the other end has multiple connection portions. Each of the first one-way conductive members has a conductive rod. The conductive rods of the first one-way conductive members and the second one-way conductive members are respectively located in the connection portions. The water-proof light-emitting decoration building blocks can be connected to the top or bottom end of assembled basic light-emitting interlocking bricks to obtain water-proof and light-emitting features.

Abstract: The present disclosure is generally directed to illumination devices, and methods for making the same. The device, in particular, includes a first conductor layer, a first insulator layer disposed on the first conductor layer and having at least one first aperture defined therein through the first insulator layer, a second conductor layer disposed on the first insulator layer and having at least one second aperture defined therein through the second conductor layer and positioned to align with the at least one first aperture, and a light manipulation layer disposed on the second conductor layer and having at least one pair of apertures defined therein through the light manipulation layer including a third aperture and a fourth aperture, where the third aperture is positioned to align with the at least one second and first apertures.

Abstract: The extendible multifunction light comprises of several electronic functions which communicates with the use of speaker and microphone with each other based on the specific commands that maybe prompted by the user or by programming such response with the use of the control panel. Each of the functions process data which can be stored in the memory of the product which can be transferred into the user's personal computer. A user may transfer information from his or her computer to download into the product. The product may transform itself from a flare to a flashlight; to be extended for use for walking, hiking and skiing. The product has a camera for recording video and audio information, a GPS system for tracking the user, an MP3 player for downloading music, motion detector, LCD navigator screen, breath analyzer and fingerprint scanner.

Abstract: The invention relates generally to an illuminable wall socket plate for replacing existing wall sockets in one simple installation step. The illuminable wall socket plate obtains electric current from a socket to power a light by connecting metal tabs on the back side of the illuminable wall socket plate to socket terminals, and transferring electric current from the socket terminals to a light in the wall socket plate through conductive material, in accordance with the invention described herein.

Abstract: A high-pressure discharge lamp comprising a translucent lamp bulb (1), which extends along a longitudinal axis of the lamp and is attached to a plastic base (2; 302), which is essentially surrounded by a metal shielded enclosure (4; 104), a metal reference ring (8; 208; 308), which is attached to an inner base part (6; 106; 306) of the plastic base (2; 302), and can is adapted to be brought into contact with a lamp module or vehicle headlight, wherein the reference ring (8; 208; 308) has at least one contact section (16; 216; 316), which is in electroconductive contact with the shielded enclosure.

Abstract: A bracket lamp tube and a lamp head cover thereon are provided. The lamp head cover comprises a cover body (2) and a metallic needle (1) penetrating the cover body (2). The front end of the metallic needle (1) extends out of the outside of the cover body (2). The rear end of the metallic needle (1) is located inside the cover body (2) and is fixedly connected to a first metallic contact plate (3). A second metallic contact plate (5) separated from the first metallic contact plate (3) is provided inside the cover body (2). A third metallic contact plate (6) is provided between the first and the second metallic contact plates (3, 5) and is connected to a touch button (4). The touch button (4) is exposed outside the cover body (2). The first and the second metallic contact plates (3, 5) are electrically connected by the third metallic contact plate (6) as the touch button (4) is pressed.

Abstract: An LED replacement light bulb for use in a standard AC light bulb socket is provided. The light bulb includes a body, a heat sink portion and an end cap arranged to receive DC electrical current from the AC light bulb socket where the AC electrical system has been converted to a DC electrical system. The LED replacement bulb includes a base and wires connecting the base to a plurality of LEDs or to an LED board. A quick disconnect is disposed between the base and the plurality of LEDS or the LED board to allow for easy removal and replacement of the LEDs or of the LED board. In one preferred embodiment, a lens cover is provided with stand-off legs to avoid metal to metal contact between the bulb and its surrounding lighting fixture.

Abstract: A LED module with fast disassembly function is capable of being disassembled from a hole of a substrate by a tool and includes a lamp base, a LED and fasteners. The lamp base has tabs extending outwards. Each of the tabs is provided with a through-hole corresponding to the hole. The tab is formed with an inclined surface at the periphery of the through-hole. The LED is fixed on the lamp base. Each of the fasteners has a cap. The fastener is disposed through the hole and the through-hole to be fixed thereto. A notch is formed between the cap and the inclined surface. The tool is disposed in the notch to thereby disassemble the fastener from the hole and the through-hole. With this arrangement, the damaged LED can be detached from the substrate rapidly without replacing the whole LED module, thereby reducing the time and cost for maintenance.

Abstract: An adjustable lamp structure includes a first and a second adapters, an adapter ring, a limiting unit, a heat sink, and a lampshade. The second adapter is configured in the first adapter, and the adapter ring is configured at the second adapter. The adapter ring has a surface facing the second adapter and pillars configured on the surface. The second adapter is engaged with the pillars. The limiting unit is located in the second adapter and fixed at ends of the pillars to limit a moving distance of the second adapter on the pillars. The heat sink is engaged with the adapter ring and located at one side of the adapter ring. The lampshade is configured at one side of the heat sink. The entire length of the lamp structure can be changed by adjusting relative positions of the second adapter and the pillars.

Abstract: A vehicle headlamp including a discharge lamp, which includes a light source, and a cap that holds the light source. The vehicle headlamp also includes a reflector, which includes a light reflecting part and a lamp holding part formed contiguously with one end of the light reflecting part. The vehicle headlamp also includes a socket connected to the cap, which supplies drive current to the lamp. The socket includes a case that holds a structure disposed therein, and a connection portion, which is connected to the cap and which protrudes toward the cap from an opposite surface of the case facing the cap. A conductive member is mounted on the lamp holding part to transmit noise generated when the lamp is turned on and a conducting portion is formed on the opposite surface of the case to surround the connection portion. The conductive member and the conducting portion are connected.

Abstract: A display apparatus includes a display panel, at least one light emitting diode package, and at least one light guide plate. The light emitting diode package includes a frame extending in a first direction, a plurality of branches branched from the frame in a second direction, and at least two light emitting diode chips inserted between and coupled with two adjacent branches.

Abstract: A decorative light includes a light source, two wires, a socket and a shade. The wires have top ends electrically connected to a bottom of the light source by welding. The socket is coated around the bottom of the light source and the top ends of the wires by injection molding. The shade covers the light source and is detachably mounted on the socket. The decorative light can provide a good waterproof effect because the socket seals an opening of the shade to prevent water from infiltrating inside the shade and damaging the light source. Besides, users can change shades having different shapes freely to make the decorative light attractive and interesting.

Abstract: The present invention provides an assembly for providing electrical power to an electrical device. The assembly includes a receptacle including an electrical connector for connection to a power supply, a length of an electrical cable that is contained within the receptacle and that is coupled to the electric connector, wherein the length of electrical cable is retractably extendable from within the receptacle. In an embodiment, the electrical cable is electrically connectable to a mains power supply to transmit electrical power from the supply to one or more electrical connectors mounted to the receptacle. In another embodiment, the assembly includes a releasably connectable power distribution board and in another embodiment the assembly includes a releasably connectable light emitting device.