Abstract: A method for manufacturing a post insulator. A core is introduced into a tube of an insulating stiff material while leaving a small circumferential space separating the core and inner walls of the tube. Adhesive is introduced under an overpressure into an interior of the tube and is cured while maintaining an overpressure in the interior of the tube.

Abstract: A lightning resistive bush body includes a cylindrical bush body. The bush body is composed of an inner insulative layer, a center electric-magnetic absorbing metal layer and an outer insulative layer, wherein the inner insulative layer, the center electric-magnetic absorbing metal layer and the outer insulative layer is integrated, and the center electric-magnetic absorbing is provided between the inner insulative layer and the outer insulative layer, and two axial edges of the center electric magnetic absorbing metal layer shape having radial openings.

Abstract: A cable protector may include a base member, at least one channel extending between opposing ends of the base member and structured to house at least one cable, and at least one indicia member positioned on the cable protector so as to be visible. The indicia member includes a photoluminescent portion. The cable protector may also include at least one side ramp removably attached to the base member, wherein at least one photoluminescent indicia member is positioned on the at least one side ramp. The photoluminescent portion of the indicia member may define a symbol, text, or strip.

Abstract: An environmentally sealed wiring device with removable weather-resistant cover includes a wiring device with a device housing, a shoulder extending from the device housing and a sealing element disposed about the shoulder. The wiring device includes wires extending through one or more openings in the device housing. The openings are environmentally sealed around the wires to prevent moisture from entering the device. A weatherproof cover housing includes a pair of openings. The wiring device is positioned next to, and sometimes through, one of the openings. The sealing element is disposed between the weatherproof cover housing and the shoulder of the wiring device, providing a weatherproof seal therebetween, to prevent moisture from entering the device. A door is coupled to the weatherproof cover housing and can be rotated about an axis along an edge of the weatherproof cover housing between an open position and a closed position.

Abstract: A box for connecting an output conductor of a solar panel with a feed cable has a base mountable on the solar panel and having a generally planar floor from whose outer periphery a side wall projects perpendicularly. A cover engageable with the side wall forms with the floor and side wall a substantially closed compartment. At least one holder in the compartment on the floor grips and positions an end of the feed cable such that it extends in a predetermined first direction. The side wall is formed with a cutout through which the feed cable passes. The cutout and holder are relatively spaced and oriented such that the cable extends in a predetermined second direction that forms an acute angle with the first direction between the holder and the cutout.

Abstract: An elongated member including an outer sleeve-like rigid insulator shell surrounding a high voltage conductor extending in the longitudinal direction of the shell and a gap inside the shell next to an internal wall of the shell at least partially surrounding the conductor and filled with a medium including a material of with electrically insulating properties. The medium is formed by an electrically insulating material including hollow spaces at least partially filled with gas. The material is adapted to expand upon a temperature rise thereof by reversibly compressing the hollow spaces and reducing the volume thereof.

Abstract: A electrical outlet box assembly includes a first housing and a second housing. Each of the first and second housings has a size to receive an electrical outlet. The first and second housings each include a rear wall and a perimeter wall that is attached to and extends forward of the perimeter wall. The perimeter walls of the first and second housings each have a front edge defining an opening for receiving an electrical outlet. The perimeter walls of the first and second housings are attached together and the openings of the first and second housings face in opposite directions with respect to each other.

Abstract: A split lid while-in-use electrical device cover is disclosed, including a base configured to couple to an electrical outlet, the electrical outlet being disposed within a wall, the base including an edge adjacent to the wall, and the edge including at least one hinge; a split lid configured to enclose the electrical outlet and including at least one swingable lid section, the swingable lid section joined to the base via the at least one hinge and swingable upon the at least one hinge; and a cord port in the split lid. The cord port may be a downwardly opening cord port or a rearwardly opening cord port. The device may also include a tab for opening and closing the device, a biasing mechanism for biasing the device closed, and a seam. Also disclosed is a method of protecting an electrical outlet using the split lid while-in-use electrical device cover.

Abstract: A return path between a first HVDC station and a second HVDC station. A first electrode is connected to the first station and a second electrode is connected to the second station. The return path includes a first part including a first low resistive zone through the crust of the earth in which the first electrode is embedded. A second part includes the earth mantle. A third part includes a second low resistive zone through the crust of the earth in which the second electrode is embedded.

Abstract: A conduit body is described which includes an integrally formed nipple extending from the back wall of the body portion of the conduit body. The exterior surface of the nipple has threads formed thereon. The nipple being adapted to be cut to length with respect to different wall thicknesses of a building through which a nipple is extended to enable electrical wires to be extended through the building wall into an electrical panel or the like.

Abstract: Contemplated device, assembly and methods include a sensor feed through assembly that protects and seals a set of wires. The assembly has a body, a first seal, a second seal and a cover. The wires thread through a first opening on the body through a second opening of the first seal and exit orthogonally between the first seal and the second seal. The cover tightens the entire assembly and secures the wires between the two seals. The entire unit can be coupled to other pressurized vessels under different temperatures and pressurized environments.

Abstract: Implementations of an electrical device cover may include a base unit having an electrical device aperture therein configured to accommodate a face of a first electrical device. A portion of the base unit may be configured to cover a portion of the face of the first electrical device of a first electrical device type when the electrical device cover is installed over the first electrical device and may be configured to expose a face of a second electrical device of a second electrical device type different from the first electrical device type when the electrical device cover is installed over the second electrical device. The electrical device cover may further comprise an attachment configured to attach to the base unit and to the electrical device. The attachment may be capable of seating between two faces of the electrical device.

Abstract: Embodiments of the invention provide a horizontal cable manager. A horizontal base can include a first molded section and an identical second molded section adapted to be coupled together. The horizontal cable manager can include a plurality of fingers extending from each one of the first molded section and the second molded section. The fingers can include a shaft and an arrow-shaped end. The arrow-shaped end can include a first triangular member and a second triangular member each coupled to opposite sides of the shaft at a first distance away from a distal end of the shaft. The horizontal cable manager can include hinge supports with a cover removably coupled to the hinge supports. The horizontal base can include an attachment hole, a first extension, and a second wing extension for temporary attachment to an electronic equipment rack.

Abstract: An adjustable variable ring for electrical junction boxes including a base frame having a guide tab; a sliding insert having a box shaped frame, the sliding insert being configured to slide in and out of the base frame. A ratchet mechanism having a ratchet plate on the base frame including a plurality of steps, and a ratchet spring installed on an inner wall of the box shaped frame including an angled end tab and an angled mid tab protruding from the box shaped frame for engaging one or more of the plurality of steps. The sliding insert is configured to slide in and out of the base frame by disengaging the mid tab from the one or more of the steps by pressing on the end tab, and locks in the base frame by engaging the mid tab with the one or more of the steps.

Abstract: The present invention provides a floor box for electrical connectors, having: a body defined by a base and a perimetrical side wall, the body having an upper opening, the body configured for recessed mounting into a floor; a cover having a cover body and a cover lid, the cover configured to cover the upper opening to define a cord well therein; and at least one cord lid on the cover, the cord lid configured to pivot into the body when a cable is inserted into the body, wherein the body is adapted for accommodating electric fixtures therein.

Abstract: A protective cover arrangement (1) for a first electrical unit, e.g. a starter unit (3), mountable on a second electrical unit, e.g. a compressor (2). The protective cover arrangement (1) comprises an outer cover (5) and an inner cover (6). The outer cover (5) comprises mounting parts (8) adapted to cooperate with mounting parts (10) on the second electrical unit in order to mount the outer cover (5) on the second electrical unit. The inner cover (6) is sized and shaped to fit inside the outer cover (5), and it is adapted to accommodate a first electrical unit in an interior part (7). The inner cover (6) comprises an opening (12) allowing electrical connectors (4) to pass from the second electrical unit to the interior part (7), thereby providing electrical connection between the first electrical unit and the second electrical unit.

Abstract: An enclosure (4) for electrical apparatus (6) has a sealable outlet (8) for partially evacuating the enclosure and a sealable inlet (9)for partially filling the enclosure with a liquid (7) having a vapor pressure at operating temperatures of the apparatus suitable to enhance electrical isolation of the electrical apparatus and suitable to provide convective cooling of the electrical apparatus. The vapor preferably provides a voltage hold-off sufficiently high for operating voltages of the electrical apparatus and has a relative permittivity sufficiently low to prevent stray capacitance in the electrical apparatus above a predetermined limit.

Abstract: A holder device (1,100) for an article such as a thermocouple (9) is disclosed. The holder (1, 100) facilitates the placement and retention of the thermocouple (9) in an apparatus such as a lyophilizer by clamping the thermocouple (9) stably in position between adjacent shelves (80, 90) of the apparatus. The holder (1,100) comprises two bearing surfaces (14a, 126b) and a housing (10) extending therebetween. The housing (10) includes a spring (11) for biasing the bearing surfaces (14a, 126b) apart to retain the holder (1,100) between the shelves (80, 90). Also provided is a means for retaining a conduit, such as a thermocouple (9) or other device. The thermocouple retaining means comprises a conductive block (230) for securely holding within it a sensor end of a thermocouple (9) and a means is provided for retaining the block (230) with the thermocouple (9) in good conductive contact with a surface (80, 90) of the apparatus.

Abstract: The manufacturing method of the panel installation portion 12a allows the portions of the upper block and the lower block for forming the panel installation portion to be exchanged as the nesting blocks upon press working so as to change the protruding amount of the panel installation portion from the outer peripheral surface.

Abstract: An all stainless steel grounding electrode uses a coating of stainless steel for an upper collar which has a dual purpose cable connector. The cable connector can accommodate a cable lug and bolt connection or a cad weld connection. A cap for the collar has a one quarter turn dual heavy duty thread set to prevent corrosion from locking up the cap. An osmotic material is placed and replaced in the grounding electrode via the cap.