Abstract: A fiber management cassette for storing loops of one or more optical fiber elements is disclosed. An exemplary cassette includes a first module comprising a first portion of a winding area and first fixing elements and a second module comprising a second portion of the winding area and second fixing elements. The first fixing elements are configured to engage with the second fixing elements for releasably interconnecting the first module and the second module and to join the first portion and the second portion to form the winding area, which is configured to store the loops of one or more optical fiber elements. The first module comprises a fiber passageway allowing the optical fiber elements to enter and exit the cassette.

Abstract: 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.

Abstract: A downwell pump three-phase power cable containing three power conductors each provided with at least one extruded polymeric insulating layer made of an insulating polymer selected from an ethylene copolymer or a fluoropolymer, a metal tube in radial external position with respect to the insulating layer, and an extruded encapsulating layer embedding the three power conductors and made of a fluoropolymer.

Abstract: An optical-fiber ribbon having excellent flexibility, strength, and robustness includes optical fibers having a sacrificial, outer release layer that facilitates separation of an optical fiber from the optical-fiber ribbon without damaging the optical fiber's glass core, glass cladding, primary coating, secondary coating, and ink layer, if present.

Abstract: Distribution box for Fiber To The Antenna (FTTA) systems comprising: an upper compartment and a lower compartment separated one from one another, the lower compartment being provided with a sealable entry point for a pre-terminated hybrid cable comprising at least one electric conductor and at least one optical fiber, a plurality of electrical connectors for electrical power conductors and at least one optical connector for optical fiber being arranged within the lower compartment, the upper compartment comprising one or more connection points for hybrid jumper cables.

Abstract: The present disclosure refers to a method and a system for tracking cable drums and length of cable on the drum. A method includes attaching a tracker device with a tracker identifier to a cable drum with a drum identifier, said drum identifier being associated in a database with drum dimensions and with cable dimensions of a cable stored on the drum. The method includes associating in the database the drum identifier also with the tracker identifier. The method includes when an event comprising at least a shock and/or a number of rotations of the cable drum around a longitudinal axis occurs, activating a first electronic circuit of the tracker device including a sensing device that detects at least the event, storing the detected event in a local memory of the tracker device and switching the first electronic circuit to standby mode after the detected event is stored.

Abstract: A power cable (1) for an electric submersible pump (ESP) system, and systems and methods thereof are described herein. The power cable (12) is a weight-bearing three-phase power cable comprising a core (8) having an outer diameter and comprising three insulated conductors (2) substantially embedded in a polymeric bedding (3); and a multi-layered armor comprising an inner steel-based continuous tube (4) surrounding and in direct contact with the core (8), and an outer steel-based continuous tube (5) surrounding and in direct contact with the inner steel-based continuous tube (4). The inner steel-based continuous tube (4) and the outer steel-based continuous tube (5) are mechanical congruent with each other as a result of a roll reducing technique.

Abstract: A power cable and a process of manufacturing a power cable, where the power cable includes a core containing stranded electrically conductive wires that are impregnated with a water-blocking composition, wherein the water-blocking composition contains, based on a total weight of the water-blocking composition: (i) a thermoplastic polymer; and (ii) a positive amount of up to 30 wt % of a crosslinked polymer, where the crosslinked polymer is in the form of a powder having a particle diameter less than 900 ?m and the crosslinked polymer is dispersed in the thermoplastic polymer.

Abstract: The invention relates to an optical fiber ribbon assembly comprising* a plurality of adjacent optical fiber ribbons extending in a longitudinal direction and arranged in a plane, each of the optical fiber ribbons comprising a plurality of optical fibers mutually bonded by a matrix material, the fibers extending in the longitudinal direction and arranged in the plane; said plurality of adjacent ribbons forming at least one set of two adjacent ribbons having an interstice between said two adjacent ribbons and * a bonding material, forming intermittent bonds at the interstice between the two adjacent ribbons of a set, thereby bonding the two adjacent ribbons of the set. The invention also relates to a method of producing such an optical fiber ribbon assembly.

Abstract: A cable termination system including a power cable sequentially including a first length of exposed outer semiconductive layer, a length of exposed insulating layer and a length of exposed electric conductor, an electric field control element adapted to be arranged around a portion of said power cable, said electric field control element including: first and second longitudinally spaced semiconducting electrodes; a field grading layer longitudinally extending between the first and second semiconducting electrodes and in electric contact therewith; an insulating layer surrounding the semiconducting electrodes and the field grading layer, wherein the first semiconducting electrode is positioned across a first boundary between the first length of exposed outer semiconductive layer and the length of exposed insulating layer, wherein said second semiconducting electrode is electrically connected with said length of exposed electric conductor, a tubular insulating body adapted to house said power cable and said ele

Abstract: The present invention relates to a method for manufacturing a preform of silica for optical fiber production, as well as to a method for the production of optical fibers comprising a step of drawing the optical fiber from such a preform of silica, the method comprising a step of vaporization of a siloxane feedstock added with a compound having the following formula (I): wherein R, R? and R?, equal or different each other, are an alkyl group having from 1 to 5 carbon atoms, and A is a saturated or unsaturated chain of atoms selected from the group consisting of carbon atom, nitrogen atom, and oxygen atom, said chain A forming with the nitrogen atom linked thereto a saturated, unsaturated or aromatic heterocyclic moiety.

Abstract: A port sealing device includes a body configured to switch between an open configuration and a closed configuration. The body defines a cable pass-through channel extending along an axial direction when the body is in the closed configuration. The port sealing device includes sealing arrays arranged in the cable pass-through channel, where each of the sealing arrays is arranged in the cable pass-through channel along an annular direction around the axial direction. Each of the sealing arrays is spaced apart from an adjacent one of the sealing arrays along the axial direction. Each of the sealing arrays includes sealing elements mutually spaced apart along the annular direction, where the sealing elements of one of the sealing arrays is arranged in the cable pass-through channel with a pattern different from the pattern of the sealing elements of an adjacent one of the sealing arrays. The port sealing device is configured to receive an optical cable when passing through a peripheral wall of a termination box.

Abstract: A cable includes an elongated tensile element having a cross section area and including a fibre reinforced polymer composite core having an elastic modulus of at least 70 GPa and a sheath at least partially covering the composite core. The sheath is made of metal and is at least 30% of the cross section area of the tensile element.

Abstract: An optical cable includes a plurality of buffer tubes, each of the buffer tubes includes a flexible ribbon, the flexible ribbon including a plurality of optical fibers, the flexible ribbon being wrapped with a finished tape.

Abstract: Electrical field grading material which comprises a non-polar elastomeric polymer, a phyllosilicate filler and a carbon black filler, wherein any carbon black filler present in the electric field grading material has a dibutyl phthalate (DBP) absorption number from 30 to 80 ml/100 g. The above material may be used in electrical cable accessories, particularly electrical cable joints or terminations for medium or high voltage cable. The electrical field grading material according to the present invention has varioresistive properties, particularly a significant variation of electrical conductivity as a function of the applied voltage within a reduced voltage range, so as to guarantee a high value of conductivity above a critical value of the electrical field, and therefore to ensure an even distribution of the electrical field lines within the material.

Abstract: Disclosed herein are flame-retardant electric cables (10) having a core containing an electric conductor (11) and an electrically insulating layer (12) made from a flame-retardant polyolefin-based composition including a) a cross-linked polyolefin as base polymer, b) silica, and c) carbon nanotubes, wherein the amount of silica is from 5 wt % to 10 wt % of the polyolefin-based composition, and the amount of carbon nanotubes is from 0.5 wt % to 2 wt % of the polyolefin-based composition. Such cables have improved flame retardant performances, especially regarding a lower occurrence of droplets during burning, which render them capable of being certified in higher classes of the current international standards, for example of the standard EN 50399:2011/A1 (2016).

Abstract: It is disclosed a figure of eight cable comprising a first cable element comprising a first core enclosed by a first outer sheath, a second cable element comprising a second core enclosed by a second outer sheath and a web joining the first and second outer sheaths so as to provide the cable with a major plane of symmetry X which comprises the longitudinal axes of the first and second cable elements. The cable also comprises at least one strength member embedded within the first or second outer sheath. All the strength members of the cable are substantially located on the major plane of symmetry X of the cable.

Abstract: A fire resistant cable includes cable at least one conductor and at least one mica layer surrounding the at least one conductors. The fire resistant cable further includes a first layer of insulation surrounding the at least one mica layer and a second layer of insulation surrounding the first layer of insulation. The first and second layers of insulation are made of a composition based on a flame retardant ceramifiable silicone rubber. The second layer of insulation further contains a reinforcement material.

Abstract: 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.

Abstract: A power cable comprises an insulated conductor; a copper water barrier, in form of a tube with a welding line, surrounding each insulated conductor; and a polymeric sheath surrounding each copper water barrier. The copper water barrier has a thickness and the polymeric sheath has a thickness such that a ratio between the thickness of the copper water barrier and the thickness of the polymeric sheath is 0.15 at most.