Abstract: Power distribution systems and methods in which a power distribution unit (PDU) is provided with residual current monitoring at multiple outlets of an outlet module in a PDU. A residual current monitoring circuit of the PDU includes at least one current sensor associated with the outlets of the PDU to detect residual current for each of the outlets. The methods of residual current detection in a PDU having multiple power outlets includes detecting current leakage at each outlet as a difference between supplied current and return current for each outlet.

Abstract: A control system for a standby generator includes a control box mountable in a standby generator enclosure, a control panel, one or more linkage mechanisms coupling the control panel to the control box such that the control panel is selectively openable to provide access into the control box, and one or more generator control components mounted in the control box and operated by the control panel.

Abstract: The invention relates to a wiring harness (10) for an airbag module of a vehicle occupant safety system, particularly for a driver's airbag module, having a connector (11) for connecting to a pyrotechnic igniter of the airbag module, at least one module connecting cable (12) connected to the connector (11) for connecting the connector (11) to a vehicle wiring harness, and at least one actuator unit (13) having a pyrotechnic actuator (17) and an actuator connecting cable (14) which is formed integrally with the actuator unit (13) and is connected to the connector (11). The invention further relates to an airbag module, vehicle cabling and a vehicle occupant safety system having a wiring harness of this kind and to a method of production.

Abstract: A control system for a standby generator includes a control box mounted in a standby generator enclosure with a control panel coupled to the control box that is selectively openable to provide access into the control box. One or more fasteners may be mounted to the control panel to selectively hold the control panel closed, and one or more generator control components may be mounted in the control box and operated by the control panel.

Abstract: A hybrid dimming controller for a lighting control system providing isolated class 1 and class 2 dimming outputs. The controller has two NEC class 1 outputs for providing independent low-voltage dimming-control signals for two lighting loads and two NEC class 2 outputs for providing the same two independent dimming control-signals for the lighting loads. Thus, the controller has both a class 1 and a class 2 outputs for delivering the same dimming-control signal for each of the two lighting loads while maintaining within the controller the isolation that is required between class 1 and class 2 circuits.

Abstract: A power supply device includes a photovoltaic power generator, a secondary battery unit, a charger configured to supply power from the photovoltaic power generator to the secondary battery unit, a DC-AC power conversion circuit configured to convert a discharge output of the secondary battery unit into AC power, and a control device configured to control charging of the secondary battery unit based on a load power prediction obtained by a moving average of used power and an amount of power generated by the photovoltaic power generator and perform control to switch output of the amount of power generated by the photovoltaic power generator between the secondary battery unit and a commercial system power based on a value of state of charge (SOC) of the secondary battery unit.

Abstract: Provided is an electrical connection box into which a greater number of fuses can be inserted without increasing its size. An electrical connection box for a vehicle includes: an insertion housing into which multiple fuses are to be inserted through an open port on one side; multiple fuse terminals for connecting the fuses in the insertion housing to a substrate; a plate-shaped holding member that opposes the insertion housing from a side opposite to the one side of the insertion housing, and holds the multiple fuse terminals; and a case member that includes a flat plate portion for covering the multiple fuse terminals and has a notch that is formed in the covering portion, the holding member being arranged inside of the notch.

Abstract: An electronic device is disclosed including a housing including an outer wall, an inner, and a first through hole formed in the inner space, an audio module located in the inner space, a support structure located in the inner space between the audio module and the first through hole and including a second through hole; and a waterproof structure located in the inner space between the support structure and the outer wall including a flexible gasket. The gasket may include an outer rim, a recess portion moveable between the first through hole and the second through hole, and a connection portion between the rim and the recess portion, including at least one opening around the recess portion, such that the opening and the second through-hole form a sound path between the audio module and the first through-hole in the absence of pressure from an external liquid.

Abstract: A fuel cell system includes grid independent operation with DC microgrid capability. This fuel cell system has a capability of operation with and without the grid, and with DC micro-grid capability.

Abstract: Methods, devices, and systems for hardware migration are described herein. One device includes a top housing, a plurality of input/output (I/O) adapter boards housed by the top housing, a base housing adjacent to the top housing, and a printed circuit board (PCB) base adjacent to the plurality of I/O adapter boards and housed by the base housing, wherein the plurality of I/O adapter boards are electrically connected to the PCB base, and the PCB base includes a plurality of traces configured to provide an electrical path for inputs from a wiring baseboard of an existing controller to the plurality of I/O adapter boards.

Abstract: Cover plates are provided for electrical fixtures including a screwless cover plate and/or cover plate assembly for electrical devices that cover the outlets but provide holes for plugs, light switches, audio, data, or video connectors, and the like, and that do not show screw or attachment holes and where the cover plate is part of a cover plate assembly that have screwless attachment to a rectangular ring shaped mounting or strapping plate that attaches to the outlet, switch, wall, or housing or receptacle box without showing screw holes, e.g., via tabs or other attachment mechanism, with or without a backing plate.

Abstract: A photovoltaic assembly for converting solar radiation to electrical energy is described. The photovoltaic assembly includes a photovoltaic module and an electronic component housing. The photovoltaic module has a frame, a laminate, a plurality of solar cells and a backsheet. The electronic component housing has an upper section to couple to the backsheet, a middle section and a lower section for enclosing electronic components. The electronic components can include a microinverter or electronics for a junction box. The middle section can have a heat sink in thermal communication with the electronic component and an opening. The opening can be a plurality of openings having a plurality of air fins distributed therein, or can be a diagonal or curved structure. The opening can permit fluid communication between the heat sink and an ambient environment. The upper section and/or the aforementioned air fins can also be coupled to the backsheet via a heat conductive adhesive.

Abstract: Embodiments of the present invention provide a docking station that prevents electrical cables (e.g., from a portable power generator or other temporary power source) from even being connected to connectors in the interior of the docking station while the building's electrical system (or other electrical load) is in electrical communication with the utility. The docking station can include a cabinet with two doors that swing in different directions and a locking mechanism that regulates the opening and closing of those doors. In preferred embodiments, the locking mechanism includes a trapped-key lock. Embodiments of the present invention can be used in applications other than docking stations.

Abstract: A configurable electrical panel that may be installed either as a service entrance panel or as a subpanel is disclosed. The electrical panel includes a transfer switch for selectively connecting either a first power source or a second power source to an electrical load, where the transfer switch switches the power leads and the neutral lead from each power source. In a service entrance panel installation, the neutral lead from the first power source is connected to the ground bar and an electrical conductor is provided to connect the ground bar to the neutral input on the transfer switch for the first power source. In a sub-panel installation, the neutral lead from the first power source is connected directly to the neutral input on the transfer switch for the first power source.

Abstract: Embodiments of the present disclosure are directed toward an automation control device including a base having a module slot, a functional module including communication and control circuitry configured to communicatively couple with the base via the module slot, a terminal block configured to communicatively couple the base and the first functional module with field wiring, a first power bus configured to transmit a first power to the functional module, and a second power bus configured to transmit a second power to the functional module.

Abstract: A recessed lighting fixture includes a lamp housing and a separate compact junction box, which contains a power supply that drives the lamp and serves in part to divide the interior cavity of the junction box into two separate wiring compartments. The junction box has two end walls spaced along an axis and a releasably secured cover The lighting fixture is particularly suitable for retrofit installations, especially where small aperture downlights are desired.

Abstract: A branch circuit monitoring system (BCMS) for monitoring branch circuit currents in one or more electrical circuit panels is described. The system is comprised of a data center server, one or more panel processors, each with one or more collection devices, and one or more current sensors per collection device. The BCMS is designed to be installed entirely inside the panel without the need for a dedicated enclosure or power supply to facilitate ease of installation and low-cost. The BCMS also allows for future upgradability through standard software updates so that the system can be updated or patched easily. The BCMS data center server collects, aggregates, stores, and serves historical branch circuit current data from the panel processors to networked users via a web server to provide visualization of data such as tables, charts, and gauges.

Abstract: A test carrier 10A comprises: a base board 21A which holds a die 90; and a cover board 31A which is laid over the base board 21A so as to cover the die 90. The test carrier 10A comprises a seal member 24 which is interposed between the base board 21A and the cover board 31A and which surrounds the die 90.

Abstract: A power tap apparatus is positioned within a desk top or work surface. The apparatus includes a housing (708) and a high voltage power and/or data carriage. A cover is positioned above the stationary housing. A low voltage charging pad is mounted to the cover and includes a surface of insulating material with a series of conductive charging lanes mounted thereto.

Abstract: The present invention is directed to an enclosure for electrical equipment. The enclosure includes a power plate assembly and a vented cover installed over the power plate assembly. Electrical components operating at 50 volts or more are mounted to a rail in the power plate assembly. The vented cover separates the electrical components mounted to the rail from the electrical components mounted in the enclosure.

Abstract: A recessed lighting fixture includes a lamp housing and a separate compact junction box, which contains a power supply that drives the lamp and serves in part to divide the interior cavity of the junction box into two separate wiring compartments. The junction box has two end walls spaced along an axis and a releasably secured. The lighting fixture is particularly suitable for retrofit installations, especially where small aperture downlights are desired.

Abstract: A face plate for cable-TV networks, the face plate adapted to operate in frequencies as high as 1.8 GHz. The face plate comprising terminals, electronic circuitry, impedance matching units and a disturbances suppressor. The disturbances suppressor is designed to suppress the parasitic resonance of the transmission line that appears inside the extended operational frequency band of 1000 to 1800 MHz. The impedance matching units are adapted to match the impedance of the terminal with that of electronic circuitry.

Abstract: A combination emergency panelboard includes a relay section and a circuit-breaker section. The relay section includes automatic load control relays and the circuit-breaker section includes emergency circuit breakers. A dielectric barrier is positioned between the relay and circuit-breaker sections to separate them. A busbar is positioned in the circuit-breaker section for distributing a phase of emergency current to a plurality of emergency circuit breakers coupled thereto. A plurality of automatic load control relays is positioned in the relay section. Each of the relays is electrically connected to a respective one of the plurality of emergency circuit breakers for distributing the phase of emergency current to a respective load.

Abstract: An external structure of an outdoor electronic apparatus for packaging a circuit board having a power line is provided. The external structure includes a housing having an opening and a waterproof gasket. The waterproof gasket includes a main body, a platform portion, a first protrusion, and a bushing portion. The main body covers the opening. The platform portion, located at the inner side of the main body, extends into the housing from the opening. The platform portion seals the opening and tightly fits with the housing. The first protrusion is located on the platform portion for abutting against the circuit board. The bushing portion, located at the outer side of the main body, has a channel. The channel passes through the main body and the platform portion and can be passed through by the power line. The bushing portion and the power line tightly fit to each other.

Abstract: A system for providing power and control to devices is described. The system includes a distribution box having connection points to receive power from a power supply and connection points to receive control instructions from a control system. The distribution box includes a plurality of output connection points to provide power and control instructions to the devices of the system. Each output connection point of the distribution box uses the same configuration of power and control conductors. Each device in the system uses a connection box with a connection point that can have the same configuration of power and control conductors as the distribution box. A plurality of cables are configured to connect the connection point on the connection box to a corresponding output connection point on the distribution box.

Abstract: A case includes a case body and a cover member. The case body includes a bottom wall portion having a surface area which allows selective accommodation of a first substrate and a second substrate and an outer peripheral portion. The outer peripheral portion includes a front wall portion (a reference wall portion), a pair of left and right wall portions which come into abutment with lateral sides of the first and second substrates, and ribs (first restraint portions) configured to restrain the first substrate in cooperation with the front wall portion at a position where a reference side of the first substrate comes into abutment with the front wall portion. The case body includes a diaphragm (a second restraint portion) configured to restrain the second substrate in cooperation with the front wall portion at a position where a reference side of the second substrate comes into abutment with the front wall portion.

Abstract: A power transfer device adapted for interconnection with the electrical system of a building includes a cabinet, a set of switches mounted to the cabinet, and wires adapted to connect the switches to an electrical distribution panel associated with a building electrical system. The power transfer device includes a first compartment and a second compartment partitioned from one another by a removable intermediate wall that slidably engages a base that defines a back wall of the cabinet. The switches are secured to a base of the cabinet and a first panel closes the first compartment and cooperates with the set of switches such that the switches are operable through the first panel and discrete switches can be removed from the cabinet when the first panel is the removed from cabinet without interfering with an orientation of other switches relative to the cabinet.

Abstract: A mobile power system comprises a plurality of energy sources, wherein at least one energy source is a solar powered generating device and at least one energy source is a wind powered generating device; a plurality of electronic and telecommunications components configured to receive the power generated by the plurality of energy sources and/or convert the power generated to direct current power; a plurality of batteries configured to store the direct current power; and at least one transportable housing configured to hold the plurality of energy sources, the plurality of electronic and telecommunications, and the plurality of batteries during transport of the housing, and wherein the housing is configured to remotely operate the at least one solar powered energy device and the at least one wind powered generating device when the mobile power system is in operation.

Abstract: A parking lot power pedestal is described which has a single spring attaching a tubular body to a base. The spring flexes in response to a blow to enable the tubular body to be angularly offset relative to the base and the spring resiliently returns to its original state to reposition the tubular body in a position extending vertically relative to the base. The spring has a first end providing a weather seal with a central bore of the tubular body. The spring has a second end providing a weather seal surrounding an opening in the base. The spring is tightly wound to provide a weather seal for a central passage defined by the spring through which wires pass.

Abstract: A universal load control module may include a power supply that operates over a wide voltage range, a microcontroller, and one or more functional control blocks. A functional control block may include a dimmer circuit for controlling a lighting load that provides reverse phase cut mode dimming, forward phase cut mode dimming, and hybrid phase cut mode dimming, as well as thermal protection. One or more universal control modules may be housed in a cabinet that include a cabinet control module. The cabinet may include additional thermal protection measures.

Abstract: A recessed lighting fixture includes a lamp housing and a separate compact junction box, which contains a power supply that drives the lamp and serves in part to divide the interior cavity of the junction box into two separate wiring compartments. The junction box has two end walls spaced along an axis and a releasably secured, sleeve-like cover (side wall) surrounding and closing the cavity. The cover can be moved axially in either direction relative to the end walls to open the wiring compartments. The junction box and the lamp housing are mechanically connected only by a flexible conduit and a flexible tether, which prevents undue strain on the electrical connections between the joined components. The lighting fixture is particularly suitable for retrofit installations, especially where small-aperture downlights are desired.

Abstract: A solid insulated switchgear having at least one circuit switches for switching a three-pole AC circuit includes a plurality of bus-bars for pole. Each of the bus-bars for pole being providing correspondingly for each pole comprises a ring-shaped bus-bar portion electrically connecting the arc extinguishing mechanisms for the same pole, and each having an internal electrical conductor portion and an external solid insulated mold portion in which the conductor portion is built; and a plurality of extended connecting portions respectively extended from the ring-shaped bus-bar portion while being space apart from one another in a circumferential direction so that the plurality of circuit switches are connected in the state in which the plurality of circuit switches are separated from one another.

Abstract: A power housing assembly includes a housing having a side thereof that is at least partially open. A faceplate, coupled to the open side at a first hinge position, can articulate about the first hinge position between a first position and a second position. The faceplate includes a substantially L-shaped portion that resides (i) in the housing when the faceplate is in its first position, and (ii) outside of the housing when the faceplate is in its second position.

Abstract: In accordance with one embodiment, a gateway node having a housing, a bracket mounted relay and wireless communication capabilities. The gateway node is connected to a pad mount transformer.

Abstract: A switchboard for coupling with a structure surface includes a panel box comprising a back wall and at least one sidewall extending from the back wall. The sidewall comprising a front. The switchboard further includes a door panel coupled to the front of the side and a positioning member located in the sidewall. The positioning member comprising a fixed end coupled to the sidewall and a moveable end configured to be positioned to contact the structure surface when the front of the panel box is at a pre-determined distance from the structure surface.

Abstract: A mobile power system comprises a plurality of energy sources, wherein at least one energy source is a solar powered generating device and at least one energy source is a wind powered generating device; a plurality of electronic and telecommunications components configured to receive the power generated by the plurality of energy sources and/or convert the power generated to direct current power; a plurality of batteries configured to store the direct current power; and one or more transportable housings configured to hold the plurality of energy sources, the plurality of electronic and telecommunications, and the plurality of batteries during transport of the housing, and wherein the at least one solar powered energy device and the at least one wind powered generating device are disposed remotely from the housing when the mobile power system is in operation.

Abstract: A sealed electrical enclosure used in hazardous locations for enclosing electrical components having a bottom housing and a top housing with a serrated joint formed therebetween, the bottom housing adapted to receive one or more electrical components, a first metal bus extending from a point internal to the bottom housing through a first end wall to a point external thereto, and a second metal bus extending from a point internal to the bottom housing through a second end wall to a point external to thereto, where the first and second metal buses are adapted to contact first and second electrical terminals of an electrical component when placed within the bottom housing, wherein the top housing is removably secured to the bottom housing to allow for removal and replacement of an electrical component within the housing.

Abstract: An electric junction box which can surly distribute electric power from a power source even if a electric power distributing unit is arranged is provided. The electric junction box includes a box main body; a power integration attached to the box main body and supplied with an electric power from a power source; and a block. The block includes a block main body formed separately from the box main body and attached to the box main body; and a terminal received in the block main body, attached to an end of an electric power cable connected to the power source, and connected to the power integration.

Abstract: A mobile power system comprises a plurality of energy sources, wherein at least one energy source is a solar powered generating device and at least one energy source is a wind powered generating device; a plurality of electronic and telecommunications components configured to receive the power generated by the plurality of energy sources and/or convert the power generated to direct current power; a plurality of batteries configured to store the direct current power; and at least one transportable housing configured to hold the plurality of energy sources, the plurality of electronic and telecommunications, and the plurality of batteries during transport of the housing, and wherein the housing is configured to remotely operate the at least one solar powered energy device and the at least one wind powered generating device when the mobile power system is in operation.

Abstract: A mobile power system includes a plurality of energy sources including a solar powered generating source and a plurality of electronic and telecommunications components configured to receive the power generated by the plurality of energy sources and convert the power generated to direct current power. The system also includes a plurality of batteries configured to store the direct current power and a main distribution panel including one or more short circuit ground fault protection devices configured to isolate a short circuit ground fault in less than approximately two hundred milliseconds. The system also includes one or more transportable housings configured to hold the plurality of energy sources, the plurality of electronic and telecommunications, the main distribution panel and the plurality of batteries during transport of the housing.

Abstract: A controller for controlling the utilization of resources within a zone having a housing having an interior carrying a barrier for utilization in defining a line voltage compartment delineated from a low voltage compartment within said housing interior. A power control board is carried within the line voltage compartment for receiving line voltage. A low voltage board is carried within the low voltage compartment for communicating with low voltage components. A controller board is carried by the housing for receiving data associated with the low voltage components and receiving line voltage from the line power control board. A first cover encloses a first portion of the interior of the housing for defining the line voltage compartment. A second cover encloses a second portion of the interior of the housing for defining the low voltage compartment.

Abstract: In accordance with one embodiment, a gateway node having a housing, a bracket mounted relay and wireless communication capabilities. The gateway node is connected to a pad mount transformer.

Abstract: There is provided an electrical junction box which can improve rigidity of a case body. An electrical junction box includes a block, a case body and an inner cover which regulates a wiring path of an electric wire attached to the block. The case body is formed into a deep box-like shape having a peripheral wall, a bottom wall and an opening portion, wherein a portion of the case body adjacent to the bottom wall has a tapered shape. Cutout portions are formed at two opposing faces of the peripheral wall. A width of the cutout portion is smaller when the case body is in a natural condition in which the block is not housed in the case body than when the block is housed in the case body. The width of the cutout portion is broadened as the block is inserted into the case body.

Abstract: A power transfer device adapted for interconnection with the electrical system of a building includes a housing that includes a base having a back wall and an intermediate member that engages the base. A first housing section engages the base and the intermediate member and defines a first interior portion. A second housing section engages the base and the intermediate member and cooperates with the base to define a second interior portion. Fasteners secure the intermediate member, the first housing section and the second housing section together. Power transfer switching components are interconnected with and carried by one of the housing sections. A cover may be pivotably mounted to the housing. During assembly, the power switching components are mounted to one of the housing sections to form a subassembly that is connected to the base as a single unit.

Abstract: Provided is a terminal box for a solar cell module that has excellent heat radiation. The terminal box (10) is provided with multiple terminal boards (21), a reverse load bypass diode (22) that is connected to two corresponding terminal boards (21), a primary resin layer (23) that is attached to the diode (22) and covers the area around the diode (22), and a secondary resin layer (41) that is made from a resin different to that of the primary resin layer (23) and is adhered to parts other than the diode (22) and does not cover the area around the diode (22).

Abstract: A base pan assembly for connecting to conductors and an electrical device. The base pan assembly includes a base pan element having walls for isolating each conductor. The base pan assembly also includes a stab element associated with each conductor wherein the stab element includes first and second portions formed in a substantially L shaped configuration. The first portion is adapted to be connected to the electrical device and the second portion is fastened to the base pan element. An end of the second portion is positioned between a pair of ribs. A fastening element is associated with each stab element, wherein the fastening element includes a post extending from the base pan element which is received by an aperture in the second portion. Further, the base pan assembly includes a lug associated with each conductor, wherein the lug receives the second portion and the associated conductor.

Abstract: A connection apparatus includes a housing portion comprising a back panel and side panels, the back panel and side panels partially defining a cavity having an access orifice, the side panels partially defining an entry area to the access orifice, a fuse holder assembly disposed in the cavity, and a cover disposed in the cavity between a portion of the fuse holder assembly and the entry area to the access orifice, the cover obscures a portion of the fuse holder assembly.

Abstract: A high-voltage apparatus includes a battery device, a high-voltage control device, a housing, and a cooling structure. The cooling structure includes a first cooling channel to cool the battery device, a second cooling channel to cool the high-voltage control device, a connection channel connecting the first cooling channel to the second cooling channel, and a ventilator. The connection channel has a first opening portion connected to the first cooling channel, a second opening portion connected to the second cooling channel, and an inner flow path to communicate the first opening portion to the second opening portion. A sectional area of the first opening portion and a sectional area of the second opening portion are each set to be smaller than a sectional area of the inner flow path.

Abstract: Various embodiments provide safety disconnect systems for a power system. In one aspect, a safety disconnect system includes an enclosure operative to receive a plurality of input power lines into the enclosure and provide a plurality of output power lines out of the enclosure. Each input power line is coupled to and paired with a corresponding one of the output power lines, where each input power line and output power line is operative to provide power from a power source. A plurality of switches are provided in the enclosure, each of these switches coupled between an associated one of the pairs of input power line and output power line, and each switch operative to disconnect the associated input power line from the corresponding output power line.

Abstract: This disclosure describes examples of an apparatus to enclose components of a switching assembly of an automatic transfer switch. In one embodiment, the apparatus, or arc chamber cover, has a housing made of material with optical properties that permit observation of the interior of the housing. A mounting assembly couples to the housing. The mounting assembly secures the apparatus to the automatic transfer switch. In one example, the mounting assembly comprises feet comprising a material with mechanical properties that can withstand pressure and other forces inside of the interior chamber. The apparatus also includes one or more baffles to control the flow of gasses and control electric arcs within the switching assembly.