Abstract: The disclosure relates to an electrical connection between two busbars made of flat conductors and an insulating layer disposed between the conductors at the opposite longitudinal edges of the two busbars. The two conductors of each busbar run parallel to each other at a distance on the longitudinal edge thereof, wherein a molded part made of electrically insulating material bridges the distances between the conductors of the two busbars. Electrically conductive contact elements, forced against each other but electrically insulated from each other, each contact one of the conductors of each busbar by means of structured contact surfaces and clamp the same between the element and the molded part, wherein the contact surfaces for the conductors of the two busbars including clamping protrusions running parallel to the longitudinal edges.

Abstract: A splice housing is configured to slide over and engage with a metallic connector that couples together cable conductors in an electrical distribution system. The splice housing has a first end arranged to engage a first cable, a second end arranged to engage a second cable and a central portion set between the first and second ends that engages the metallic connector. A first support core holds the first end in an expanded state, while a second support core holds the second end in an expanded state. The first and the second ends are molded so that they have relaxed internal diameters that are smaller than a relaxed internal diameter of the central portion.

Abstract: A connecting apparatus for transmitting high-voltage current in a motor vehicle has a first connection element (4), a second connection element (6), a shielding housing (12) and fasteners (8, 10). The first connection element (4) has a housing (20) having a first insulating housing (21), a first contact (18) connected electrically to an internal conductor (16) of a cable (14), and a shielding arrangement (28) connected to a shield (30) of the cable (14). The shielding arrangement (28) is connected to the shielding housing (12) by a shielding part (32). The second connection element (6) has a second housing (41) having a second insulating housing part (42) with a second contact element (46) connected to a current line element. A weak-current contact arrangement creates a control circuit, and has a ring contact (52) and two spring contacts (60, 62).

Abstract: A cable termination comprising an upper cryostat chamber containing a liquid cryogen and a lower cryostat chamber containing a gaseous cryogen to maintain dielectric integrity and thermal management of an electric connection. A gaseous cryogen recirculation system may cause the gaseous cryogen to flow through the lower cryostat chamber and a power cable enclosure.

Abstract: The present invention is a conductive isolator including a damping structure, a conductive bridge component positioned within the damping structure, axial contact points between the damping structure and the conductive bridge component and radial contact points between the damping structure and the conductive bridge component.

Abstract: Reduced-pair Ethernet patch cords include a twisted pair cable that has a pair of insulated conductors that are contained within a cable jacket. A connector is mounted on a first end of the cable. The connector includes a connector housing and a strain relief unit that is mounted on the cable at the interface between the cable and the connector housing. The strain relief unit includes a plurality of internal protrusions that contact the cable jacket.

Abstract: A cable termination device of the dry type, for terminating a high voltage cable, including an insulator housing with a first end and a second end and having a hollow interior, and which second end has an opening for insertion of a high voltage cable. The cable termination device further includes a stress controller device located inside the insulator housing and adapted to be mounted on a high voltage cable, an end cap located at the first end of the insulator housing and provided with an external electrical connection means, and an electrically insulating gel filling at least part of the hollow interior of the insulator housing and surrounding at least part of the stress controller device. Further, the stress controller device is provided with a first and a second deflector arrangement for controlling an electric field.

Abstract: An electrical conductor carries a rated current in a high-current bushing of a transformer. The electrical conductor includes a conductor piece which extends along an axis and has a cylindrical envelope surface, a first electrical connection, and a second electrical connection. The first electrical connection has two contact surfaces which are aligned parallel to one another. Electrical losses of the electrical conductor are kept low, with a compact design. This is achieved, in part, because the second electrical connection is connected without a joint to the conductor piece, and the first electrical connection is hollow and, at right angles to the axis, has an oval profile with two longitudinal faces which form the two contact surfaces.

Abstract: A direct current cable termination apparatus for terminating a high voltage direct current cable, the apparatus includes a current-carrying device comprising a terminal portion of the direct current cable, the cable includes an electrical conductor, a circumferential electrically insulating layer located outside of the electrical conductor, and a circumferential conductive shield located outside of the insulating layer and the electrical conductor. The apparatus includes a housing having an outer shell, and the current-carrying device is adapted to extend in the axial direction of the outer shell. Along at least a part of the axial extension of the current-carrying device the outer shell extends axially with a space between its inner periphery and the current-carrying device.

Abstract: This is directed to connecting two or more elements using an intermediate element constructed from a material that changes between states. An electronic device can include one or more components constructed by connecting several elements. To provide a connection having a reduced or small size or cross-section and construct a component having high tolerances, a material can be provided in a first state in which it flows between the elements before changing to a second state in which it adheres to the elements and provides a structurally sound connection. For example, a plastic can be molded between the elements. As another example, a composite material can be brazed between the elements. In some cases, internal surfaces of the elements can include one or more features for enhancing a bond between the elements and the material providing the interface between the elements.

Abstract: A stress relief structure is provided. The stress relief structure includes a stress relief body, at least one first stress relief base and at least one second stress relief base. The stress relief body has an upper surface and a lower surface opposite to each other. The first stress relief base is disposed on the upper surface of the stress relief body. The second stress relief base is disposed on the lower surface of the stress relief body. The at least one first stress relief base and the at least one second stress relief base are interlaced to each other.

Abstract: Structures, materials, and methods to control the spread of a solder material or other flowable conductive material in electronic and/or electromagnetic devices are provided.

Abstract: An electrical bushing for providing electrical insulation of a conductor extending through the bushing is disclosed. The bushing includes: one conductive foil concentrically arranged around the conductor location; and one FGM part, made from a field grading material and partly arranged in the extension of part of a foil edge of a conductive foil. The FGM part and the conductive foil, in the extension of which the FGM part is arranged, are in electrical contact.

Abstract: A portable computing device can include one or more clutch assemblies that can include a conductive elastomer configured to contact at least a portion of the clutch assembly of the portable computing device. The conductive elastomer can be configured to also contact at least one region of the base portion of the portable computing device. In one embodiment, the conductive elastomer can be disposed on the clutch assembly. The conductive elastomer can enhance an electrical coupling between two or more regions of the base portion, especially in the region near the conductive elastomer and the clutch assembly. The enhanced coupling can increase a performance of an electrical shield provided by the two or more regions of the base portion.

Abstract: A termination for extra high voltage includes, around a central conductor (1), a deflector cone (2) made of flexible material covered by a polymer insulator having a first internal insulating element (3) and containing a conducting deflector (5), the conductor (1) is connected to an output terminal (6). The maximum diameter (D) of the first insulating element (3) at right angles to the length (L) of the deflector cone (2) included between the conducting deflector (5) and the adjacent end of the output terminal (6) is greater than or equal to double the maximum diameter (d1) of the conducting deflector (5).

Abstract: A termination for electrical cables may include: an outer insulation tubular body having a longitudinal axis; a conductive rod within the body; an elastomeric sleeve within the body and extending about an end portion of the rod; a connecting device within the sleeve, wherein the device is mechanically and electrically connected to the rod and is configured to mechanically and electrically connect to an electrical cable; a conductive tubular element within the body, configured to electrically connect to ground; a semi-conductive element within the tubular element and partially extending inside the sleeve on an opposite side to the rod with respect to the device; and at least one elastic conductive element radially interposed between, and in contact with, the tubular element and semi-conductive element, the at least one elastic conductive element configured to exert elastic force onto the semi-conductive element along at least one radial direction toward the axis.

Abstract: A direct current cable termination apparatus for terminating a high voltage direct current cable, the apparatus includes a current-carrying device including a terminal portion of the direct current cable, the cable including an electrical conductor, a electrically insulating layer located outside of the electrical conductor, and a conductive shield located outside of the insulating layer and the electrical conductor; and a housing including a tubular outer shell with an inner periphery and formed by an electrically insulating and polymer-containing material. The current-carrying device is adapted to extend in the axial direction of the outer shell. Along at least a part of the axial extension of the current-carrying device the outer shell extends axially with a space between its inner periphery and the current-carrying device. The housing is adapted to separate the space from an atmosphere outside the outer shell, and the space is filled with an electrically insulating fluid.

Abstract: A laminate circuit board with a multi-layer circuit structure which includes a substrate, a first circuit metal layer, a second circuit metal layer, a first nanometer plating layer, a second nanometer plating layer and a cover layer is disclosed. The first circuit metal layer is embedded in the substrate or formed on at least one surface of the substrate which is smooth. The first nanometer plating layer with a smooth surface covers the first circuit metal layer. The second nanometer plating layer is formed on the other surface of the substrate and fills up the opening in the cover layer to electrically connect the first circuit metal layer. The junction adhesion is improved by the chemical bonding between the nanometer plating layer and the cover layer/the substrate. Therefore, the circuit metal layer does not need to be roughened and the density of the circuit increases.

Abstract: A cable termination utilizing liquid and gaseous cryogen. The liquid cryogen maintains cryogen temperatures of all dielectric surfaces exposed to gaseous cryogen and to high voltage potential. The invention further includes capacitive grading, minimizing the electric field on the surface of the bushing in the vapor phase of the cryogen used in the liquid cryogen compartment. The cross-section of the conductor within the cable termination is adjusted along its axis enabling thermal optimization for reduction in the loss of liquid cryogen. Heat sink, for helium gas cooling of superconducting power devices, is surrounded by a metal of high thermal conductivity and placed near the area needed to be cooled. Cryogenic gaseous coolant flows through two tubes connected to the heat sink. Fins inside heat sink increase metal surface in contact with the coolant. The coolant flows from first tube, passes through the finned are and exits through the second tube.

Abstract: A vehicle grounding device includes an attachment member electrically conductive with a vehicle body, an attached member in which an electrical component is incorporated, and an insulator configured to include a conductor being electrically conductive with the electrical component, an insulative member covering the conductor, and a grounding terminal being electrically conductive with the conductor and protruded from the insulative member. The insulator is configured to be attached to the attached member. The grounding terminal is attached to the attachment member together with an attachment portion of the attached member by fastening with a conductive fastening member in a state that the grounding terminal is overlaid on the attachment portion of the attached member, so that the electrical component is grounded to the attachment member through the grounding terminal and the fastening member.

Abstract: A flat cable deflection device with circuit integrity in case of a fire including a cylindrical cable deflection element made from fire resistant insulating material; and a support for the cylindrical cable deflection element made from fire resistant material. The support is offset from the cylindrical cable deflection element so that the support facilitates enveloping the cylindrical cable deflection element with a flat cable without the support contacting the flat cable. An electrical installation including at least one flat cable deflection device; at least one flat cable including plural high power current strands extending parallel adjacent to one another in a plane, where the flat cable runs over the deflection device and changes its direction at the deflection device, wherein the transversal cable direction in front and after the deflection device extends horizontally, and wherein the flat cable envelops the cylindrical cable deflection element at least partially.

Abstract: A device for controlling an electric field at a high voltage component includes an inner deflector electrically connected to live voltage component; a resistive layer adapted for field control, arranged along the high voltage component, and electrically connected to the live high voltage component and electrically connected to a grounded part, the resistive layer having a nonlinear current-voltage characteristics; an insulating layer extending but ending without reaching the end of the resistive layer; and a semi-conducting or conducting layer arranged on the insulating layer and extending towards the resistive layer and past the end of the insulating layer, thereby defining an outer triple point at the intersection of the resistive layer, the insulating layer, and the semi-conducting or conducting layer. The resistive layer has first, second, and third adjacent sections, wherein a portion of the first section extends below the inner deflector.

Abstract: A cable termination device of the dry type, including an insulator housing with an upper end and a lower end and having a hollow interior, which lower end has an opening for insertion of the cable. The device further includes a stress controller device located inside the insulator housing and adapted to be mounted on a high voltage cable, and an electrically insulating gel filling at least part of the hollow interior of the insulator housing and surrounding at least part of the stress controller device. Further, the stress controller device extends from the lower end of the insulator housing and into the housing where it has a free end, whereby a space is formed between the stress controller device and an inner wall of the insulator housing.

Abstract: A field-controlled composite insulator uses materials which are greatly stressed by an inhomogeneous distribution of an electrical field across a surface thereof. One of the causes thereof is the structural configuration of the insulator. The field strength changes particularly in a region of fittings due to a transition from insulating materials of sheds and an insulator core to a metal material, due to a transition from ground potential at cross members or to a conductor potential at that location, where conductor cables are attached. A further cause is deposits of dirt, which stress an insulator overall. A field control layer is therefore disposed between the core and the protective layer in at least one section of the insulator. The control layer includes particles as a filler, which influence the electrical field of the insulator. A method for producing the composite insulator is also provided.

Abstract: A direct current cable termination apparatus for terminating a high voltage direct current cable, the apparatus includes a current-carrying device including a terminal portion of the direct current cable, the cable at least including an electrical conductor, a electrically insulating layer located outside of the electrical conductor, and a conductive shield located outside of the insulating layer and the electrical conductor. The apparatus includes a housing including a tubular outer shell with an inner periphery, the outer shell defining a longitudinal axis and being formed by an electrically insulating and polymer-containing material. The current-carrying device extends in the axial direction of the outer shell. Along at least a part of the axial extension of the current-carrying device the outer shell extends axially with a space between its inner periphery and the current-carrying device. The housing is adapted to separate the space from an atmosphere outside the outer shell.

Abstract: A gas-insulated substation having an enclosure filled with dielectric gas under pressure, comprising one electrical conductor (1) designed to be live that is of longitudinal axis (X) and placed inside the enclosure (6), and two grading shields (10, 12) surrounding in part the conductor (1), at least one of the grading shields (10) comprising a hollow electrically conductive body (14) of longitudinal axis that is substantially coaxial with the axis of the casing (6), said body (14) comprising an annular depression (22) in its outer surface and orifices (26) passing through said body (14) made in a bottom of said annular depression. Said orifices (26) ensure that the dielectric gas flows between an inside zone and a zone that is outside the grading shield (10) by convection exchange.

Abstract: A connection cable for use with a wearable electronic device includes a first end unit configured to connect with an electronic component and a second end unit. The second end unit has a housing with a connection end configured to connect with a connection feature of an extension arm of the device and a support end spaced apart from the connection end. The housing is configured such that, when the connection end is connected with the connection feature, the support end, the first end of a band of the device, and a nosepiece of the device define at least three points of contact along a plane spaced apart from the surface of the extension arm with the second end unit disposed between the surface of the extension arm and the plane. The cable also includes a cable body extending between the first end unit and the second end unit.

Abstract: A device including a corona shield, and at least one support element for connecting the corona shield to a high voltage apparatus. The at least one support element includes a semiconducting polymer, which, when in operation, acts as a resistance between the corona shield and the high voltage apparatus. Furthermore the support element is arranged to fix the corona shield to the high voltage apparatus.

Abstract: A direct current cable termination apparatus for terminating a high voltage direct current cable. The apparatus includes a current-carrying device including a terminal portion of the direct current cable, the cable including an electrical conductor, an electrically insulating layer located outside of the electrical conductor, and a conductive shield located outside of the insulating layer and the electrical conductor; and a housing including a tubular outer shell with an inner periphery and formed by an electrically insulating and polymer-containing material. The current-carrying device is adapted to extend in the axial direction of the outer shell. Along at least a part of the axial extension of the current-carrying device the outer shell extends axially with a space between its inner periphery and the current-carrying device.

Abstract: A relative angle sensing device is provided with: a sensor that is contained in a housing in which a communication hole communicating inside and outside is formed, and outputs an electric signal according to a relative rotation angle between two rotary shafts coaxially arranged; an electric cable that transmits the electric signal outputted from the sensor to a device arranged at outside of the housing; an electric cable holding member that is fitted with the communication hole of the housing and that holds the electric cable; and an outer component that is arranged at a position outside the electric cable holding member in the communication hole of the housing. The outer component is provided with an introducing part that introduces the electric cable into inside thereof, and a plurality of exiting parts that make the electric cable having been introduced through the introducing part exit to outside in different directions.

Abstract: A device for controlling an electric field at a high voltage component including a resistive layer for field control, an insulating layer arranged on the resistive layer and a semi-conducting or conducting layer arranged on the insulating layer. The three layers meet at a triple point where the insulating layer ends. An interface between the resistive layer and the insulating layer makes in the triple point an angle to the semi-conducting or conducting layer of 60°-120°.

Abstract: A device for controlling an electric field at a high voltage component including a resistive layer for field control, an insulating layer arranged on the resistive layer and a semi-conducting or conducting layer arranged on the insulating layer. The three layers meet at a triple point where the insulating layer ends. An interface between the resistive layer and the insulating layer makes in the triple point an angle to the semi-conducting or conducting layer of 60°-120°.

Abstract: Methods of interfacing parts in a high voltage environment and related structures are disclosed. A method comprises: providing a first part and a second part; and interfacing the first part and the second part to create a first substantially zero electrical field area at a first outer extent of an interface between the first and second parts and a reduced electrical field area in a different portion of the interface.

Abstract: A direct current cable termination apparatus for terminating a high voltage direct current cable, the apparatus includes a current-carrying device including a terminal portion of the direct current cable, the cable including an electrical conductor, a electrically insulating layer located outside of the electrical conductor, and a conductive shield located outside of the insulating layer and the electrical conductor; and a housing including a tubular outer shell with an inner periphery and formed by an electrically insulating and polymer-containing material. The current-carrying device is adapted to extend in the axial direction of the outer shell. Along at least a part of the axial extension of the current-carrying device the outer shell extends axially with a space between its inner periphery and the current-carrying device. The housing is adapted to separate the space from an atmosphere outside the outer shell, and the space is filled with an electrically insulating fluid.

Abstract: A metal fitting integration type stress-relief cone is provided with a stress-relief cone which includes a cylindrical rubber-like elastic body on an outer circumference of a cable core and a metal fitting which surrounds the cable core and is integral with a low-voltage side of the stress-relief cone. The stress-relief cone is provided with a cylindrical semi-conducting body part at the low-voltage side and has a bell-mouthed electric-field stress-control part in an end of a high-voltage side, an insulating body part on the high-voltage side with a low-voltage side end concentric with the semi-conducting body part and a cylindrical insulation protective layer which is arranged continuously at the end of the low-voltage side of the insulating body part and is integral with the outer circumference of the semi-conducting body part.

Abstract: A method for producing a joined structure, containing: after placing an anisotropic conductive film in the predetermined manner, placing a wiring member containing a wiring plate formed thereon, where the wiring plate has a resist region in which the wiring plate is covered with a resist layer, and a second electrode region in which the wiring plate is not covered with the resist layer, so that the edge of the resist region at a boundary with the second electrode region comes above the chamfer part of the substrate; and heating and compressing the anisotropic conductive film from the side of the wiring member to melt and make the anisotropic conductive film flow into the side of the resist region to thereby cover the second electrode region with the anisotropic conductive film, so as to electrically connect the first electrode region and the second electrode region.

Abstract: A polymer bushing includes a conductor bar, a conductor insertion hole at a lower end, a rigid insulator around the outer circumference of the conductor bar and having a receiving port for a cable termination, a polymer covering around the outer circumference of the insulator and a number of shades 4a formed separately along the longer dimension at the outer circumference. A large diameter part is provided above the conductor insertion hole which is in the vicinity of the lower end part of the insulator. A cylindrical shielding metal fitting is concentrically embedded together with the conductor bar in the large diameter part. An electric-field stress-control layer is provided at the interface between the large diameter part and the polymer covering.

Abstract: An improved high-voltage duct has an electrically insulated winding body extending in a longitudinal direction and contains electrically conductive inserts wound about a winding core. The inserts are spaced apart from each other by insulation layers soaked in resin. A high-voltage conductor extends as a winding core in the winding body. A fastening flange is mounted on the winding body in a fastening area of the flange for assembly of the high-voltage duct, such that the duct can also be used for DC levels above 550 kV. Accordingly, the winding body contains different thicknesses in the fastening area thereof, so that areas of changes in diameter are configured in which the winding body contains different diameters at different locations along in a longitudinal direction thereof.

Abstract: A connection arrangement for connecting together two superconductor cables, each having a central conductor comprising at least one superconductive part, a dielectric layer surrounding said central conductor, a shield surrounding said dielectric layer and a cryogenic enclosure surrounding said shield, the connection arrangement has an electrical splicing device for splicing together the central conductors and stripped dielectric layers of the corresponding shields. This connection arrangement has a covering made of semi-conductive material that is placed between the two shield ends and an electrical connection device for connecting together the two shield ends, the connection device surrounding the covering, being contained in the cryogenic enclosure, and comprising two junction elements each electrically and mechanically joined to a respective one of the shield ends, and an electrical splicing arrangement for splicing together the two junction elements.

Abstract: Disclosed is a mounting structure for mounting an electronic component on a circuit board. The mounting structure includes an interposer provided between the electronic component and the circuit board; and a plurality of spiral conductors formed in the interposer. The plurality of spiral conductors have one end thereof bonded to corresponding one of external connection terminals of the electronic component and the other end thereof bonded to corresponding one of electrodes of the electronic component.

Abstract: A system for data transmission over an electricity distribution network. The system having an electrical apparatus having a shielded cable connected thereto. The cable has a core surrounded by a metallic sheath and armour surrounding the metallic sheath, wherein the armour is disengaged from around the metallic sheath at a position where the cable enters the apparatus and is supported relative to the apparatus at a position spaced from that position such that a portion of the metallic sheath is exposed.

Abstract: An exemplary high-voltage outdoor bushing is disclosed which includes a conductor extended along an axis, a condenser core and an electrically insulating polymeric weather protection housing molded on the condenser core. The condenser core can contain an electrically insulating tape which is wound in spiral form around the conductor. Capacitance grading insertions can be arranged between successive windings of the tape. A cured polymeric insulating matrix embeds the wound tape and the capacitive grading insertions. A moisture diffusion barrier can be incorporated inside the condenser core prior to molding the weather protection housing.

Abstract: A metal fitting integration type stress-relief cone is provided with a stress-relief cone which includes a cylindrical rubber-like elastic body on an outer circumference of a cable core and a metal fitting which surrounds the cable core and is integral with a low-voltage side of the stress-relief cone.

Abstract: A device including a corona shield, and at least one support element for connecting the corona shield to a high voltage apparatus. The at least one support element includes a semiconducting polymer, which, when in operation, acts as a resistance between the corona shield and the high voltage apparatus. Furthermore the support element is arranged to fix the corona shield to the high voltage apparatus.

Abstract: A locking conduit lid and method of use that can lock or secure wires inside a conduit such that is would be almost impossible for a would be thief to pull the wires out of the conduit. The locking conduit lid contains a conduit sleeve that is designed to be fixedly attached to the inside of a polyvinylchloride (PVC) pipe, rigid metal pipe, or any other existing pipe or conduit that contains electrical wires. The electrical wires are secured to the conduit sleeve such that they cannot be pulled out of the conduit sleeve. A locking conduit lid prevents access to the wires inside the conduit sleeve thereby preventing theft of the wires.

Abstract: A cord assembly for an electronic device includes a cord having an insulation layer with a first end and an exterior surface, as well as at least one electrical conductor extending within the insulation layer. A strength member also extends within the insulation layer and includes a first end extending beyond the first end of the insulation layer. A securing element couples the first end of the strength member with the first end of the insulation layer along the exterior surface. The strength member is pre-tensioned to carry any additional tensile loads on the cord, at least initially. The cord assembly may also include a strain relief member molded over the first end of the strength member and the securing element.

Abstract: A field-controlled composite insulator uses materials which are greatly stressed by an inhomogeneous distribution of an electrical field across a surface thereof. One of the causes thereof is the structural configuration of the insulator. The field strength changes particularly in a region of fittings due to a transition from insulating materials of sheds and an insulator core to a metal material, due to a transition from ground potential at cross members or to a conductor potential at that location, where conductor cables are attached. A further cause is deposits of dirt, which stress an insulator overall. A field control layer is therefore disposed between the core and the protective layer in at least one section of the insulator. The control layer includes particles as a filler, which influence the electrical field of the insulator. A method for producing the composite insulator is also provided.

Abstract: An underwater ocean bottom cable constructed of a series of axially aligned cable segments alternately arranged with sensor units. The sensor units include an outer housing with an interior cavity in which a sensor module is suspended by a cradle. Vanes on the sensor module protrude through axially elongated openings in the outer housing to dig into the seabed to provide good seismic coupling between the seabed and pressure sensors and motion sensors housed in the sensor module. The outer sensor housing is split into complementary portions that clamp firmly onto the ends of adjacent cable segments. Stress members, such as high modulus fiber ropes, extend out the ends of adjacent cable segments. Axial channels formed in the intervening outer sensor housing on opposite sides of the sensor module receive the stress members, which, along with the cradle, provide seismic isolation between the cable segments and the sensor modules.

Abstract: Methods of interfacing parts in a high voltage environment and related structures are disclosed. A method comprises: providing an insulation medium between a first part and a second part in a high voltage environment; and interfacing the first part and the second part by compressing the first part and the second part against the insulation medium.

Abstract: The invention relates to a high voltage device for providing electrical insulation of a conductor extending through the device. The device includes a hollow insulator; a conductor extending through the hollow insulator; a field gradient decreasing arrangement including a condenser core and a voltage grading shield. The condenser core and the voltage grading shield are arranged around the conductor inside the hollow insulator in a manner so that the voltage grading shield is arranged around at least part of the condenser core.