A method for preventing corona effects in an electronic circuit comprising applying a coating of a first material to a surface of the electronic circuit, and applying a second material having a dielectric constant that is lower than that of the first material on an exposed surface of the first material, wherein the second material comprises a solid dielectric.

A combination includes: an electricity conducting element and a connector cable. The electricity conducting elements includes: a body of insulating material; an electrical conductor extending through the body; at least one passive electrical sensor embedded or integrated in the body of insulating material; and at least one shielded connector with one or more terminals arranged on an outer surface of the body, the at least one shielded connector being electrically connected to the at least one passive electrical sensor. The connector cable includes: a first shielded connector with one or more terminals for connecting with the at least one shielded connector; a second shielded connector with one or more terminals for connecting with an appliance or a further connector cable; and electrical components arranged closely to the first shielded connector and electrically connected to the terminals of the first shielded connector.

A veneer for a wall-mounted keypad may include indicia that are laser cut therethrough and that are representative of functions that may be performed by the keypad. The veneer may include a recess that extends into an inner surface of the veneer, proximate to the indicia. The recess may be shaped such that a perceived aesthetic of an outer surface of the veneer is preserved during formation of the indicia. The recess may for example have an organic shape defined by a curved outer perimeter that does not define any corners.

A veneer for a wall-mounted keypad may include indicia that are laser cut therethrough and that are representative of functions that may be performed by the keypad. The veneer may include a recess that extends into an inner surface of the veneer, proximate to the indicia. The recess may be shaped such that a perceived aesthetic of an outer surface of the veneer is preserved during formation of the indicia. The recess may for example have an organic shape defined by a curved outer perimeter that does not define any corners.

Electrical bushing for medium and high voltage, the bushing including a fluid filled insulation volume; a sensor unit in contact with the fluid in the fluid filled insulation volume; wherein the sensor unit is configured to measure a breakdown voltage of the fluid.

The invention relates to an arrangement and a method for switching clearances between contacts by means of switching devices, wherein an energy provides an actuator energy for at least one switching device, in particular a vacuum interrupter.

Described herein is a protective cover assembly for an electrical cable mounted on an insulator. The assembly includes an insulator cover including a cover body covering the electrical cable and the insulator and an electrically conductive arc diverter. The arc diverter is elongated in an axial direction that is parallel to a center axis of the electrical cable and is attached to an outer surface of the electrical cable at a portion of the electrical cable that is covered by the insulator cover such that a portion of the arc diverter is positioned below and covered by the insulator cover and another portion of the arc diverter extends past a terminal end of the insulator cover with an end of the arc diverter being spaced apart from the terminal end of the insulator cover in the axial direction.

A power cable (C.sub.1), or power umbilical, comprising a number of electric high power cables (10) for transfer of large amounts of electric power/energy; filler material (2, 3, 4, 5, 6) in the form of stiff elongate plastic elements; the number of electric high power cables (10) and stiff elongate plastic elements (2, 3, 4, 5, 6) being gathered in a twisted bundle by means of a laying operation; a protective sheath (1) that encompasses the electric cables and the filler material; and at least one longitudinally extending channel (6) is provided for forced flow transportation of a cooling agent through said power cable/umbilical in order to cool down the electric high power cables (10) and their insulation material from a critical temperature value of about 90° C.

Modular wire management systems may include connectors configured for mounting on a base and for connecting to extension members, thereby connecting extension members to one another, to form a framework for managing and routing wires at one or more heights above the base. The systems may further include securing members configured to secure wires to the framework. Modularity may be provided in that every extension member may be connectable to every connector, and every connector may be connectable to every extension member. Connections may be achieved by secure but detachable friction fit, providing both stability and easy reconfigurability. Flexibility of configurability may be provided by a wide range of different kinds of connectors. Connectors may be provided with non-electrically conductive mounting portions for connecting to the base. Apparatuses and methods are also provided.

A protective cover assembly for an electrical power distribution line conductor mounted on a horizontally oriented post insulator includes an insulator cover and a retaining pin. The insulator cover includes a cover body defining an insulator cavity configured to receive the insulator and a mounting bracket integral with the cover body. The mounting bracket defines a bracket slot having a bottom entry opening configured to receive the horizontally oriented insulator to couple the cover body to the insulator. The retaining pin is configured to close off the bottom entry opening to secure the insulator cover to the insulator. The cover body is formed of a flexible first material and the mounting bracket is formed of a second material that is more rigid than the first material.