An aperiodically overlapping spiral-wrapped cable shield system includes a cable having cable components such as a pair of conductors, at least one insulator surrounding the pair of conductors, and at least one drain wire. The cable also includes a cable shield that is spirally wrapped around the cable components with a varying wrap pitch that provides a plurality of overlapping cable shield portions with varying overlap areas. When signals are transmitted using the cable components in the cable, the varying overlap areas of the plurality of overlapping cable shield portions create a plurality of varying LC circuits that are configured to generate a resonance that does not exceed a signal integrity resonance threshold for a signals.

Methods and apparatus are disclosed. The apparatus includes a substantially cylindrical mount body (350) comprising a first open mouth at a first end of the cylindrical body (350) and a further open mouth at a remaining end of the cylindrical body, a substantially cylindrical inner surface, and an outer surface that includes a plurality of spaced apart substantially parallel recessed regions that extends circumferentially around the body, wherein the cylindrical body (350) is tapered at each end and at least one securing element is located between the recessed regions.

A flexible pipe body and a method of providing electrical continuity are disclosed. The flexible pipe body comprises a first armour layer formed from a helical winding of a metal tape element, a further armour layer formed from a helical winding of a further metal tape element, and at least one intermediate layer between the first and further armour layers, said intermediate layer comprising a helically wound electrically insulating tape element (800.sub.0, 800.sub.1, 800.sub.2, 800.sub.3, 800.sub.4) and a helically wound electrically conductive tape element (810.sub.0, 810.sub.1, 810.sub.2, 810.sub.3, 810.sub.4).

A submarine power cable having: a power core including a conductor, wherein the conductor has a conductor joint in a joint region of the power core, a main armor layer including a plurality of main armor wires arranged around the power core and extending in the axial direction of the power core, and a joint reinforcement armor layer including a plurality of joint reinforcement armor wires axially locked relative to the main armor wires, wherein the joint reinforcement armor layer is provided only in the joint region and arranged layered with the main armor layer, the joint reinforcement armor layer and the main armor layer thereby forming a dual-layer armor only in the joint region.

An offshore submarine cable for an offshore wind farm. The offshore submarine cable has a power capacity between 3 MW and 2.5 GW, at least one weighting element having a density of at least 5 g/cm.sup.3 at 20° C., and at least one armor package.

The present disclosure relates to an armoured cable (10) for transporting alternate current comprising: at least one core (12), each core comprising an electric conductor (121); at least one metallic screen (126) surrounding the at least one core (12); an armour (16), surrounding the at least one metallic screen, comprising an inner layer (16a) of armour wires and an outer layer (16b) of armour wires, at least part of the armour wires of the inner layer (16a) and at least part of the armour wires of outer layer (16b) comprising a ferromagnetic material; and a separating layer between the inner layer (16a) of armour wires and the outer layer (16b) of armour wires. The separating layer has a thickness of at least 1 mm. The present disclosure also relates to a method for reducing losses in said armoured cable and to a method for improving the performances of said armoured cable.

Methods and apparatus are disclosed. The apparatus includes a substantially cylindrical mount body comprising a first open mouth at a first end of the cylindrical body and a further open mouth at a remaining end of the cylindrical body, a substantially cylindrical inner surface, and an outer surface that includes a plurality of spaced apart substantially parallel recessed regions that extends circumferentially around the body, wherein the cylindrical body is tapered at each end and at least one securing element is located between the recessed regions.

The present disclosure provides an electrocardiograph cable for use in an MRI system. The electrocardiograph cable includes a cable jacket and a plurality of lead wires extending through the cable jacket. Each of the plurality of lead wires includes a first end segment coupled to a monitoring electrode, a second end segment coupled to a monitoring device, an electrically insulating core extending from the first end segment to the second end segment, an electrically conductive wire having a plurality of turns wound around the electrically insulating core from the first end segment to the second end segment, and an electrically insulating sleeve covering the electrically conductive wire wound around the electrically insulating core.

A cable is provided with a cable core including one or more electric wires, a shield layer provided to cover around the cable core and composed of a laterally wound shield formed by winding metal wire strands helically, and a sheath provided to cover around the shield layer. The metal wire strands are semi-hard copper alloy wires, and P/PD, which is the ratio of the winding pitch P in the laterally wound shield to the pitch diameter PD of the shield layer, is less than 9.9.

An armoured power cable (10) comprises a cable core (11) and an armour layer (21) comprising a plurality of armouring wires (22) laid around the cable core (11), wherein at least 10% of the armouring wires (22) are wavy wires (23) having a zig-zag shape laying on the outer surface of the cable core (11).