Abstract: A cable spacer for maintaining positions of a plurality of cables relative to each other is provided. The cable spacer includes a frame, a hanger and a plurality of clamps that couple the plurality of cables to the frame to maintain the positions of the plurality of cables relative to each other. A first clamp includes a receiver with a first arcuate surface, and a keeper that is adjustably coupled to the receiver to be adjusted from a first position to a second position to interfere with removal of the region of the first cable from the first concave pocket. A locking system adjusts the keeper from the first position to the second position relative to the receiver, and maintains the keeper in the second position to exert a compressive force on the first cable, urging the first cable into the first concave pocket.

Abstract: A base flange assembly for a lattice section of a tower includes a foot having an aperture; a leg welded to the foot, an axis defined between a center of the aperture and a center of the leg. An inner gusset is welded to the foot and the leg along the axis; and an outer gusset is welded to the foot and the leg at an angle with respect to the axis.

Abstract: An ornament suspension assembly includes a plurality of hoops and each of the hoops is removably coupled to a Christmas tree. A plurality of rotation units is provided and each of the rotation units is selectively suspended from an associated one of the hoops. A plurality of ornaments is selectively suspended from an associated one of the rotation units thereby facilitating each of the rotation units to rotate the associated ornament.

Abstract: The present invention provides a portable single-phase air bypass switch for live power distribution network, including a housing member, a positioning member, a conductive circuit member, a clutch member, a switch-closing member and a switch-opening member. The positioning member includes a positioning nut, positioning frames, and a positioning column. The conductive circuit member includes a conductive end cover, an upper conductive rod, a pressing sleeve, a coupling nut, a conductive sleeve pipe, a stationary contact, a movable contact, and a lower conductive rod. The switch-closing member includes a switch-closing energy-storage rod, a switch-closing energy-storage ring, a switch-closing spring, a switch-closing positioning pin, a switch-closing release ring, and an inner sleeve pipe.

Abstract: A by-pass system for overhead power lines may include: a housing; a bearing frame in the housing; an outdoor termination linked to the bearing frame; and/or an electrical cable electrically connected to the outdoor termination. The bearing frame may be configured to move between a stand-by position of the outdoor termination and an operating position of the outdoor termination. A by-pass system for overhead power lines may include: a housing; a bearing frame connected to the housing; an outdoor termination connected to the bearing frame; and/or an electrical cable electrically connected to the outdoor termination. The bearing frame may be configured to move between a stand-by position of the outdoor termination and an operating position of the outdoor termination.

Abstract: A line-jumper apparatus typically includes a first connector, a second connector, and a housing attached to the first connector and the second connector. In a closed position, the housing provides a low-resistance current path and a high-resistance current path between the first connector and the second connector. In an open position, the housing inhibits current from flowing between the first connector and the second connector. The housing is configured so that, when the housing is transitioned from the closed position to the open position, the low-resistance current path is opened before the high-resistance current path. The housing typically includes a safety mechanism that prevents the low-resistance current path from being opened unless the high-resistance current path is closed.

Abstract: A line-jumper apparatus typically includes a first connector, a second connector, and a housing attached to the first connector and the second connector. In a closed position, the housing provides a low-resistance current path and a high-resistance current path between the first connector and the second connector. In an open position, the housing inhibits current from flowing between the first connector and the second connector. The housing is configured so that, when the housing is transitioned from the closed position to the open position, the low-resistance current path is opened before the high-resistance current path. The housing typically includes a safety mechanism that prevents the low-resistance current path from being opened unless the high-resistance current path is closed.

Abstract: A dielectric element (2) for a high-voltage insulator (1) of very great traction strength, greater than 700 kN, of the type comprising a toughened glass body of revolution about a longitudinal axis (A) having a hollow head (6) extended by a ribbed shed (7). It has a profile that defines a creepage distance lying in the range 550 mm to 800 mm for an outside diameter (DJ) of the shed (7) that lies in the range 380 mm to 450 mm and a pitch (P) that lies in the range 260 mm to 290 mm, said dielectric element also presenting weight lying in the range 10 kg to 13 kg.

Abstract: A line-jumper apparatus typically includes a first connector, a second connector, and a housing attached to the first connector and the second connector. In a closed position, the housing provides a low-resistance current path and a high-resistance current path between the first connector and the second connector. In an open position, the housing inhibits current from flowing between the first connector and the second connector. The housing is configured so that, when the housing is transitioned from the closed position to the open position, the low-resistance current path is opened before the high-resistance current path. The housing typically includes a safety mechanism that prevents the low-resistance current path from being opened unless the high-resistance current path is closed.

Abstract: A holding device has a supporting frame with at least two carrying legs at the respective ends of which is arranged a holding element for accommodating a conductor wire. A holding insulator extends in a longitudinal direction which is mounted between the carrying legs of the supporting frame and which has a free end for fixing to a mast crossbeam. The supporting frame is sized in such a way that the carrying legs extend in the longitudinal direction beyond the free end of the holding insulator. Furthermore, an overhead line configuration has such a specified holding device. With this device, masts which are configured for low rated voltages to be made accessible for carrying conductor wires at high rated voltages.

Abstract: An inner wire capable of power integration and power division and adapted for use with an inverter having a casing and a circuit board includes a female connector and a male connector. The female and male connectors are each disposed in the casing and each include power lines, at least two signal lines, and a ground line. The power lines each have one end electrically connected to power connectors in pairs and the other end to power terminals respectively. The signal lines have one end electrically connected to two signal connectors respectively and the other end to signal terminals. The ground lines have one end electrically connected to ground connectors and the other end to ground terminals. The power terminals, signal terminals, and ground terminals are disposed in the male and female connectors. The signal connectors, ground connectors, and power connectors are electrically connected to the circuit board.

Abstract: The invention provides a mount for installing an electrical fixture to an electrical junction box. The mount includes a support configured for independent attachment to said junction box and said electrical fixture respectively for mounting said fixture to said junction box. The mount further includes at least one electrical quick connect member engaged to said support comprising a first connection element for forming an electrical connection with a electrical wire and a second connection element for forming an electrical connection a fixture electrical wires. The first and second connection elements are electrically connected or connectible together to form an electrical connection between the source wires and the fixture wires.

Abstract: A line-jumper apparatus typically includes a first connector, a second connector, and a housing attached to the first connector and the second connector. In a closed position, the housing provides a low-resistance current path and a high-resistance current path between the first connector and the second connector. In an open position, the housing inhibits current from flowing between the first connector and the second connector. The housing is configured so that, when the housing is transitioned from the closed position to the open position, the low-resistance current path is opened before the high-resistance current path. The housing typically includes a safety mechanism that prevents the low-resistance current path from being opened unless the high-resistance current path is closed.

Abstract: Disclosed is a power transmission tower, which includes a tower body; first through sixth main insulation arms connected by one end thereof to the tower body with an angle with the tower body, respectively, and arranged radially and symmetrically about the tower body in a longitudinal direction; and first through eighth auxiliary insulation arms for selectively connecting the other end of the first through sixth main insulation arms and the tower body so that each of the auxiliary insulation arms constitutes each side of an octagon. Since the insulation arms are octagonally arranged, it is possible to reinforce a mechanical strength and enhance electric properties of the tower.

Abstract: An aerial cable spacer is provided with a cable retainer and vertically disposed strengthening tabs or ribs. The cable retainer includes a cable retaining arm. A mid portion of the cable retaining arm has a non-rectangular plus “+” shaped cross section. The plus “+” shaped cross section engages and exerts a force on the cable as the cable retaining arm bends to a closed position. The arm is flexible so as to create a resilient force in conjunction with the plus “+” shaped cross section to securely hold the cable on a cable seat of a main body portion of the aerial cable spacer. A pawl is carried on the arm at a predetermined orientation to engage a corresponding set of teeth on the spacer body for enhanced cable clamping force.

Abstract: The present invention relates to a system and method for equalizing the capacitance between/among n lines of a bus running in parallel for a portion of their length. The system and method include determining a twisting pattern for the n lines using an algorithm for example. After determining the twisting pattern forming at least n?1 twisted sections, the n lines are twisted according to the pattern so that each of the n lines runs along every other line for a same distance across the length of a bus.

Abstract: An animal deterrent system to be placed on structures such as electrical apparatus to deter and protect birds, wildlife and other animals. Specifically, a perching deterrent having a saddle made to fit over any desired member of a structure and deterrent extensions may be used separately or in combination. The deterrent extensions may protrude in various configurations from the above-mentioned saddle to inhibit, deter, or insulate animals contacting structures. Also possible is an insulator cap with spiral conductor covers.

Abstract: An overhead service drop extending between a utility pole and a customer location includes at least one power conductor, a neutral conductor messenger supporting itself and the power conductor, and a separable power connector between the power conductor and a corresponding utility power conductor adjacent the utility pole. The overhead service drop further includes a separable neutral connector between the neutral conductor messenger and a corresponding utility neutral conductor, and a mechanical breakaway member between the neutral conductor messenger and the utility pole. The mechanical breakaway member breaks away prior to breakage of the neutral conductor messenger to permit preferential separation of the separable power and neutral connectors based upon increased tension imparted to the neutral conductor messenger by a falling object.

Abstract: The present invention relates to a system and method for equalizing the capacitance between at least two lines of a bus running in parallel for a portion of their length. The system and method include determining a twisting pattern for the lines using an algorithm. After determining the twisting pattern, the lines are twisted according to the pattern so that each of the lines runs along every other line for a same distance across the length of the bus.

Abstract: A frame is provided for coiling the surplus length of an overhead cable when two cable sections are spliced in a splicing box. The frame is particularly adapted to be used with Optical Fiber Composite Ground Wires (OPGW) and has a coiling chamber for the coiling of the surplus splice length. The coiling chamber has an interior in which the surplus splice length is coiled, and an outer edge, allowing the free rotation of the frame about a shaft. The surplus splice length is pushed from underneath by an operator and is further pushed and held by its own restoring force against the outer edge of the coiling chamber, where the pushing and holding effects induce the rotation of the frame.

Abstract: A fire resistant resin composition, a method of making the fire resistant resin composition and an electrical wire comprising the fire resistant resin composition are provided. The fire resistant composition includes a halogen-free propylene resin containing propylene as its main monomer component, a halogen-free styrene-based thermoplastic elastomeric resin modified with an unsaturated carboxylic acid or a derivative of such an acid, and a fire resistant metal hydroxide.

Abstract: A drop wire clamp for securing a drop wire having a messenger strand and a support wire and a method for securing the drop wire and for transferring the load of the drop wire to a support structure is provided. The clamp uses a helical spiral and an anchor for engaging and securing the drop wire. The support wire may be placed into the channel defined by the helical spiral by inserting the drop wire through an open end of the channel, by weaving the drop wire into openings between coils of the helical spiral or by deforming a malleable segment of the clamp to shape and form a helical spiral around the support wire. The clamp with engaged drop wire is fixed and supported to a support structure so that at least part of the load of the drop wire transfers to the structure.

Abstract: A safety contact or switch hose having a plurality of electrically conductive projections which generate a switching pulse when coming into contact with one another.

Abstract: A spacer device for maintaining separation of a plurality of utility lines. The spacer includes a series of non-conductive, insulator members extending in longitudinally spaced relation to one another along a common longitudinal axis, and being interconnected to one another by an elongated rod which also extends along the common longitudinal axis. The insulator members each include respective conductor engaging portions, body portions, and a passageway extending longitudinally therethrough. The rod engages and extends through the passageways of each insulator member. The conductor engaging portions each include bar members that have a v-shaped notch removed therefrom to facilitate stable and secure engagement of the insulator members on top the conductors.

Abstract: An aerial cable spacer is provided with an anti-dislodging cable retainer. The anti-dislodging cable retainer includes a cable seat. Adjacent the cable seat on one side are ratchet teeth and a guide. Adjacent the cable on the opposite side is a slot. The slot receives a retaining arm. At the end of the retaining arm is a ratchet tooth for engagement with the ratchet teeth. The end of the arm also includes either an abutment or groove to engage the guide and to maintain the engagement of the ratchet tooth with the ratchet teeth.

Abstract: An electric device for medium and high voltage transmission and/or distribution lines having a free volume V undergoing an electrical stress and including an insulating filler that fills the free volume, wherein the insulating filler includes a compressible silicone-based composition having a volume under normal conditions ranging from 1.01 to 1.2 V at a temperature of 25° C. The silicone-based composition may include hollow compressible plastic microspheres. The silicone-based composition may also include a crosslinkable polyorganosiloxane and an organosilicon crosslinker.

Abstract: A mast clamp assembly including a strap, a drop wire clamp, and a hook. The ribbon-like strap forms a loop which engages a utility pole or mast. The drop wire clamp includes a clamp for clamping to the drop wire and a loop which engages the hook. The hook includes a back wall and first and second side walls. The loop of the drop wire is received in loop mounting slots in the side walls and engages a protrusion on each side wall. Each side wall also has a strap mounting opening having a triangular-shaped lower portion and a rectangular-shaped upper portion. The hook is mounted on the strap by inserting the strap, bottom edge first, through a slot in the back wall into the lower portion of the strap mounting openings and rotating the hook around the strap such that the upper edge of the strap rotates into the upper portion of the strap mounting opening and the strap engages the hook back wall.

Abstract: A pre-connectorized connector assembly for cables having a separable two component cable connector. The two components have a female component and a male component that fit together with a screw lock that can be unscrewed for separation. The female component has a snap fit ring to attach to a metal wall and the male component has a snap fit for locking to a cable.

Abstract: A load-breaking and load-returning apparatus and method of breaking and returning a load are provided for quickly breaking and returning a load to portions of a power line. The apparatus preferably includes at least one power line jumper cable including first and second cable ends and a first connector connected to the first cable end of the at least one power line jumper cable for connecting the at least one power line jumper cable to a portion of a power line. A load-breaking and load-returning device is preferably connected to the second cable end of the at least one power line jumper cable for quickly breaking and returning a load to portions of a power line responsive to a user thereof. The load-breaking and load-returning device preferably includes a second connector for connecting the load-breaking and load-returning device to a portion of a power line.

Abstract: A device providing an insulating support for an electrical conductor includes a body having a through bore with an upper, cylindrical portion and a lower, threaded portion. A hook extends integrally from the upper end of the body over the upper end of the cylindrical bore. A piston in the cylindrical bore has an upper end for mating engagement with the hook to define a fully enclosed passageway surrounding the conductor upon movement of the piston from an initial position, wherein the conductor may be moved laterally to a position between the hook and the upper end of the piston, to a terminal position wherein the conductor is fully surrounded by surface portions of the hook and piston. A threaded insert is engaged in the threaded portion of the body axial bore. A passageway through the insert has a one-way valve for injection of silicone gel into the cylindrical portion of the body bore to move the piston from its initial to its terminal position.

Abstract: An isolating switch for an electric power line including a sub-assembly made up of two electrically conductive and pieces interconnected by at least one insulator. The end pieces have respective aligned grooves for registry with the electric power line, and securing members for permanently securing the end pieces to the electric power line. The sub-assembly is provided with two keeper bars for mounting the sub-assembly to the power line prior to permanently securing the end pieces to the power line. Each of the keeper bars is pivotally mounted on a respective one of the end pieces and is pivotable manually between a first position in which the keeper bar is completely clear of the groove and a second position in which the keeper bar extends across the groove to retain the sub-assembly on the power line.

Abstract: A clamp for an overhead line including a clamp body in which a first gripping groove for gripping the overhead line is formed; a clamp cap in which a second gripping groove for gripping the overhead line is formed and which is pivotably attached to the clamp body via a hinge unit; a fastening unit for fastening the clamp body and clamp cap in a manner enabling free opening and closing so that the overhead line is affixed between the first and second gripping grooves so as to be unable to move in an axial direction at the pivot position of the final fastening state; and an expansion unit for causing the clamp cap to stop at a position where it is forcibly kept open by a predetermined clearance from the clamp body against a fastening force given by the fastening unit so that the clamp body and the clamp cap are not located at the pivot position of the final fastening state and in addition so that a clearance is formed between the first and second gripping grooves and the overhead line and a method for attachmen

Abstract: An improved suspended line cable breakaway device includes a first body portion for connecting to a first end of a support cable and a second body portion for connecting to a second end of the support cable. The first body portion includes resilient fingers having nubs, which are releasably received by slots contained in a cavity wall of the second body portion. A biased spreader, slidably contained in a cavity in the second body portion, is displacable axially along the cavity by an external force along the support cable to urge the nubs outwardly such that the second body portion is disengaged from the first body portion, simultaneously disconnecting component lines of a first end of a suspended line from corresponding component lines of a second end of the suspended line. A shield protects the component line connections, which are spaced internal to the device, from the elements.

Abstract: The cover and base of the enclosure of the assembly are releasably connected by latches and flanges integral with the cover and base. A mounting bracket facilitates mounting of the assembly upon a telephone pole or other exposed static structure. Vertically spaced upper and lower cable strain-relieving members underlie each cable passageway of the base of the enclosure. Each strain-relieving member is of generally u-shaped configuration. The open ends of the upper and lower strain-relieving members face in different directions. Each pair of the strain-relieving members collectively extends about the entire circumference of a cable engaged thereby.

Abstract: An aerial terminal has an increased density of connections and can be mounted alternatively on a pole or a cable. It has a housing with parallel side walls and end walls and a central wall extending across between the side walls, forming back and front chambers. A plurality of apertures extend in rows in the central wall and terminals are positioned in the apertures. The terminals are arranged in pairs, the front ends being in the front chamber and the back ends in the back chamber. Protector modules can be provided as part of a terminal for each pair. An openable cover and support brackets are also provided.

Abstract: A protective container for aerially disposed splice packages of transmission cables comprising an elongate, cylindrical pipe formed of high-strength, projectile-resistant material for containing a transmission cable splice package therein, brackets for attaching the cylindrical pipe to the side of a transmission cable support pole with its longitudinal axis generally vertically disposed, a first generally circular, projectile-resistant top plate fixed to the top of the pipe in close vertically spaced relation to overlie the top opening and provide a peripheral opening at the top of the pipe for passage of air, a second generally circular, projectile-resistant bottom plate removably secured to the bottom of the pipe to close the bottom opening thereof and provide a radially disposed slot therein for passage of a transmission cable into and out of the pipe, and a transverse bolt spanning the diameter of the pipe above the bottom plate to supportably retain a transmission cable splice package within the containe

Abstract: The invention is concerned with a bracket for hanging a multi-tap directional coupling device from a suspended wire, such as a strand running between poles on a street, and for grounding a plurality of support wires each of which extends along a respective cable, connected to the coupling device, for supporting same, the support wires each having a terminal end and a connecting portion contiguous thereto. The hanger bracket of the invention comprises an elongated member having a first end portion adapted to be detachably coupled to the coupling device, a second end portion provided with clamp means for releasable clamping engagement with the suspended wire, and a portion intermediate the first and second end portions defining a grounding plate. A separate fastener means is associated with each support wire for releasably securing the connecting portion thereof against the grounding plate whereby to provide a common ground for all the support wires.

Abstract: An enclosure for outdoor cross-connection in telecommunications systems has a rectangular housing on a base. One or more columns are mounted in the housing, each column having a channel shaped back portion and a mounting member hinged at one side to one side of the back portion. Connectors are attached to the mounting member, conveniently by retainers fitting in slots in side walls of the mounting member, latch members holding the retainers in position. Connectors clip into the retainers and can be sealed by sealing compound in the retainers. Cable conductors pass up through the channel shaped back portion, conductors passing through into the mounting members and connected to the rear sides of connectors. Cross-connections are made to the front sides of the connectors.