Abstract: A disconnector assembly connects and then isolates and disconnects an arrestor between a power line and ground. The disconnector assembly has a bracket that has a base and a wall. The wall extends substantially perpendicularly from the base and defines a cavity. An isolator assembly is disposed within the cavity. A cap is connected to the wall remote from the base to close the cavity. A blind bore extends into the cap from a surface thereof remote from the cavity. A stud is partially disposed in the bore. An adhesive between the cap and the wall secures the cap to the wall.

Abstract: A strain relief connector for a fiber optic cable has an optical fiber enclosed within a cover having an outer diameter. A relatively long sleeve surrounds the cover and has an inner surface at an inner diameter, the inner diameter being substantially larger than the outer diameter of the cover. Portions of the sleeve and the fiber optic cable are compressed by a die, forming compressed portions having widths substantially larger than their heights and causing the inner surface of the sleeve to frictionally engage the outer surface of the cover layer and the inner surface of the cover to fictionally engage the outer surface of the optical fiber enclosed therein. The length of the sleeve and the configuration of the compressed portion allow a relatively high area of frictional resistance between the buffer layer and the sleeve.

Abstract: An insulator assembly has a mounting bracket for securing the insulator assembly to a support structure. The mounting bracket has a base having a first end and a second end. A first leg has a first end attached to the first end of the base and has a second end. A second leg has a first end attached to the second end of the base and has a second end. A first foot extends from the second end of the first leg. A second foot extends from the second end of the second leg.

Abstract: An electrical fixture mounting assembly is provided for quickly and easily mounting an electrical fixture to a brace assembly. The electrical fixture mounting assembly includes an electrical box, a brace assembly and a bracket. The brace assembly is mounted between joists located above an aperture in a ceiling. A bracket is snap-fitted onto the brace assembly. Protrusions on the bracket prevent substantial movement of the bracket during installation of the electrical box. Tabs on the bracket engage openings in the electrical box, thereby facilitating alignment of the electrical box with the bracket. An electrical box is secured to the brace assembly by the bracket and fasteners.

Abstract: An insulator assembly for a polymeric cutout assembly has a core with first and second ends and an outer surface. First and second end caps are attached at the first and second core ends. The end caps have outer surfaces. A sleeve is disposed on the outer surface of the core. A projection extends laterally outwardly from an outer surface of the sleeve. An insulator is molded around the outer surface of the core, the sleeve and the first and second end caps. A center pin is attached to the projection to secure the cutout assembly to a support.

Abstract: An electrical connector includes a dielectric body having an input end and an output end opposite the input end. First and second electrical contacts are located at the output end. A twisted wire pair is connected to the first and second electrical contacts, defines an axial length, includes first and second wires twisted along the axial length, and has first and second terminal ends. The first and second terminal ends are connected to the first and second electrical contacts and include first and second portions. The first portion is located axially between the second portion and first and second terminal ends of the first and second wires. The first portion has a first degree of twist about a longitudinal axis of the twisted wire pair. The second portion has a second degree of twist about the longitudinal axis of the twisted wire pair. The first degree of twist is substantially greater than the second degree of twist.

Abstract: A system and method are provided for ensuring increased accuracy of individual relays (e.g., within a control system including a sensor) to close substantially coincidentally with respect to a current zero-crossing of an incoming power supply waveform. To determine timing of contact operation, a microcontroller operates the contacts in response to one of a series of test pulses, and determines the amount of time required for contact operation. The difference between timing of contact operation and zero-crossing is determined and adjusted to offset errors incurred by microcontroller threshold variations and power supply voltage variations. The calibrated value is then provided to the sensor in order to extend sensor life.

Abstract: A rotary clutch assembly comprises a first hub and a second hub. The first hub has first and second ends. An inner surface in the first hub is defined by a first internal passageway extending from the first end to the second end for receiving shaft. One of the first and second ends of the first hub has a first notch. The second hub has first and second ends and an outer surface. An inner surface in the second hub is defined by a second internal passageway extending from the first end to the second end for receiving the first hub. One of the first and second ends of the second hub has a second notch. Multiple clutch assemblies may be coupled on a single shaft to form a drive assembly having increased torque capacity by engaging the first and second notches of a first clutch assembly with first and second notches of a second clutch assembly.

Abstract: A poke through fitting extending through an aperture in a floor, comprising a housing having a top surface, a portion of the housing received within the aperture in the floor. At least three electrical outlets are received within the housing, each of the outlets being accessible through at least one access opening in the top surface of the housing. Additionally, at least five telecommunication jacks are coupled to the housing.

Abstract: A spring-loaded wedge dead end connector includes a connector body having a base and a pair of opposite jaw guides formed on and protruding outwardly from the base and defining a guide channel therewith, a pair of jaws mounted between the jaw guides and on the base of the connector body for undergoing slidable movement within the guide channel thereof along converging paths from an open position for receiving a segment of an electrical conductor therebetween to a closed position in which the jaws provide a clamping wedging engagement with the electrical conductor segment disposed therebetween, a plurality of complementary elements formed on the jaws such that the complementary elements directly and slidably interfit with one another so as to ensure that the jaws are coupled to one another to undergo their slidable movement together, and a plurality of retention elements for preventing removal of the jaws from the connector body.

Abstract: A hookstick operated switch assembly includes a switch mounted to a support and movable between open and closed positions. An operating lever is connected to the switch for opening and closing the switch. A locking arm is positioned proximal the switch. A locking member is receivable by the locking arm when the switch is in the open position to prevent movement of the operating lever, thereby locking the switch in the open position.

Abstract: A connector assembly that includes an L-shaped bracket having first and second portions. The first portion has an electrical connector coupling surface, and the second portion has a conduit coupling surface. A conduit connector is coupled by a snapping engagement to the second portion of the bracket at the conduit coupling surface. A flexible conduit member is supported by the conduit connector.

Abstract: An ignitor monitoring device is provided which is enclosed within a housing to allow for portability while testing high intensity discharge (HID) luminaires. The device is placed in the lamp socket with the lamp removed, and measures the open circuit voltage across the ignitor, as well as the ignitor's ignition pulse. If the ignitor monitoring device detects adequate voltage to enable ignition of the lamp, the LED illuminates; otherwise, the LED fails to illuminate, and the operator can begin troubleshooting by replacing the ignitor and re-testing the luminaire, or testing the source, among other troubleshooting methods known in the art. A first housing employs a plunging mechanism that allows the operator to insert the monitoring device into the lamp socket with ample pressure to ensure electrical conduction between the device and the luminaire.

Abstract: An optical assembly includes a frame member for holding an optical member, a mounting member releasably coupled to the frame member and having a latch engaging surface. A latch member is coupled to the frame member and is pivotally movable between locked and unlocked positions relative to the frame and mounting members. The latch member has a main body portion, a cam arm portion extending from a first surface at a first end of the main body portion, a handle portion extending from the first surface at an opposing second end of the main body portion, and a central positioning portion extending from the first surface between the cam arm and handle portions. A spring biasing member is disposed between the latch member and the frame member for biasing the latch member toward the locked position.

Abstract: An insulator assembly has a base assembly that is rigidly connected and is not prone to movement over time. A first support member has first and second ends with first and second pluralities of holes for receiving a first switch assembly. A second support member has first and second ends with third and fourth pluralities of holes for receiving a second switch assembly. A third support member has first and second ends. The first end of the third support member is attached to the first support member and the second end of the third support member is attached to the second support member. The third support member has a fifth plurality of holes for attaching the base assembly to a support.

Abstract: A micro porous gas breather/filter assembly can be coupled to a housing of an electrical enclosure. The filter assembly has a two portion housing with the filter disposed between them. An adhesive on the filter attaches the filter to one or both portions of the housing. The filter allows gas to pass from the enclosure through the filter and to the atmosphere, but prohibits liquid from passing into the enclosure device. By filtering gases and liquids in this manner, the filter vents explosive and/or flammable gases from an electrical enclosure, while preventing liquid and other contaminants from entering the enclosure and damaging the electrical device or its wiring.

Abstract: A relay rack assembly for the management of cross-connect products and a multiplicity of wires includes a base and top, each base and top having a plurality of guide portions extending therefrom, each guide portion including an engaging rib. Vertical members are coupled between the base and top by slots disposed in the sides of the vertical members receiving an engaging rib on the base and top. First and second fastener inserts are coupled to both the vertical members and the base and top, respectively, thereby securing the vertical members to the base and top. The attachment of the first and second fastener inserts and the engagement of the engaging ribs of the base and top and the slots of the vertical members supports the vertical members substantially square or perpendicularly to the base and top of the rack.

Abstract: An electrical device, includes a housing having an inner bore with a longitudinal axis, and outer and inner engagement members. The outer engagement member is received in the inner bore of the housing, and is rotatable with respect to the housing about the longitudinal axis. The inner engagement member is rotatably supported within the outer engagement member, and has external threads for engaging an electrical interface of a piece of electrical equipment.

Abstract: A fire-rated, poke-through floor fitting for use within a floor. The fitting has an electrical receptacle with electrical conductors or wires traveling the length of the fitting. The conductors have thermally activated conductor links. Upon exposure to excessive heat, the links stop the transfer of heat through the conductors. The links can take various forms, including being formed from low melt material or with a spring loading that is sized to fit within the three inch bore. The receptacle preferably has two pairs of electrical outlets coupled to the electrical receptacle along with four voice/datajacks. The fitting provides a high number of electrical outlets and voice/data jacks, while maintaining a relatively low profile and easy accessibility. Each pair of electrical outlets can be separately connected to different power sources or each pair can be connected to the same power source. The bus bars of the receptacle can have various configurations, including non-overlapping orientations.

Abstract: A lighting fixture has a housing with a latching surface, a frame coupled to the housing and having a slot, a refractor or lens supported by the frame, and a latching member coupled to the frame. The latching member includes a main flexing portion, a lead portion extending from one end of the main flexing portion and received in the slot of the frame, and a cam portion extending from an opposite end of the main flexing portion. The latching member moves between a released position with the latching member disengaged from the latching surface of the housing, and a latched position with the latching member engaged with the latching surface of the housing.