Abstract: A cable suitable for use in a Power over Ethernet application may include four twisted pairs of individually insulated conductors and a jacket formed around the four twisted pairs. Each of the four twisted pairs may include two conductors having a size greater than or equal to a 19 American Wire Gauge conductor. Additionally, the four twisted pairs may be electrically connected to an RJ-45 connector. Further, the cable may have a longitudinal length greater than 100 m.

Abstract: Colorless twisted pair communication cables may include a plurality of twisted pairs of individually insulated conductors and a jacket formed around the plurality of twisted pairs. The cable may be formed to be completely free of colorant or to include a cable core defined by the jacket that is fee of colorant. Additionally, physical indicia may optionally be incorporated into the cable to facilitate identification of the plurality of twisted pairs.

Abstract: A cable that may withstand an increased pulling load may include a plurality of twisted pairs of individually insulated conductors and a metallic pulling element positioned within an outer jacket layer. The metallic pulling element may longitudinally extend parallel to the twisted pairs, and the pulling element may have an elastic modulus greater than that of the twisted pair conductors. As a result of incorporating the metallic pulling element, the cable can withstand a pulling force of 330N with an elongation of less than 0.20 percent.

Abstract: A twisted pair cable may include a plurality of twisted pairs of individually insulated wires and at least one additional wire. Each additional wire may include a conductor and at least one layer of enamel insulation material or insulation formed from a thermoset material formed around the conductor. A jacket may be formed around the four twisted pairs and the at least one additional wire.

Abstract: A hybrid cable for use with sensitive detectors may include a central power delivery component, a data delivery component positioned around the power delivery component, and a jacket formed around the power delivery component and the data delivery component. The power delivery component may include a plurality of shielded first individually insulated conductors. The data delivery component may include four twisted pairs of second individually insulated conductors and respective shield layers formed around each of the four pairs. An outer diameter of the cable may be less than 8.5 mm, and the cable may be capable of transmitting data within an operating frequency range of up to 2.5 GHz over a distance of at least 100 m.

Abstract: An optical fiber cable that includes reduced or minimal use of colorant may include a single optical fiber component and a jacket formed around the optical fiber component. The optical fiber component may include at least one optical fiber and a buffer layer formed around the at least one optical fiber. The buffer laying may include one or more first polymeric materials that are not blended or compounded with any colorant, and no colorant may be formed on an outer surface of the buffer layer. Additionally, the jacket may include or more second polymeric materials that are not blended or compounded with any colorant.

Abstract: An optical fiber cable having reduced or minimal colorant may include a plurality of optical fiber components and a jacket formed around the plurality of optical fiber components. Each optical fiber component may include at least one optical fiber and a buffer layer surrounding the at least one optical fiber. The respective buffer layers may be free of colorant, and physical indicia may be selectively formed as surface variations on a suitable number of buffer layers to facilitate identification of the plurality of optical fiber components. The jacket may include one or more polymeric materials that are not blended or compounded with any colorant.

Abstract: Twisted pair communication cables that include reduced or minimal use of colorant may include a plurality of twisted pairs of individually insulated conductors, and the respective insulation formed around each conductor may not be blended or compounded with any colorant. A separator may be positioned between at least two of the plurality of twisted pairs, and the separator may include one or more physical indicia that facilitate identification of the plurality of twisted pairs. A jacket may be formed around the plurality of twisted pairs and the separator.

Abstract: Twisted pair communication cables that include reduced or minimal use of colorant may include a plurality of twisted pairs of individually insulated conductors, and the respective insulation formed around each conductor may be free of colorant. Additionally, physical indicia may be selectively formed on the respective insulation of at least two of the plurality of twisted pairs, and the physical indicia may facilitate identification of the plurality of twisted pairs. A jacket may be formed around the plurality of twisted pairs.

Abstract: Twisted pair communication cables that include reduced or minimal use of colorant may include a plurality of twisted pairs of individually insulated conductors, and the respective insulation formed around each conductor included in the plurality of twisted pairs may include one or more polymeric materials that are not blended or compounded with any colorant. Individual shield layers may be provided for two or more of the plurality of twisted pairs. Physical indicia may be selectively formed on at least two of the shield layers, and the physical indicia may facilitate identification of the plurality of twisted pairs. Additionally, a jacket may be formed around the plurality of twisted pairs and the shield layers.

Abstract: Twisted pair communication cables that include reduced or minimal use of colorant may include a plurality of twisted pairs of individually insulated conductors, and the respective insulation formed around each conductor included in the plurality of twisted pairs may include one or more polymeric materials that are not blended or compounded with any colorant. A plurality of dielectric separators may be provided including a dielectric separator respectively positioned between the individually insulated conductors of each of the plurality of twisted pairs. Physical indicia may be selectively formed on at least two of the plurality of dielectric separators, and the physical indicia may facilitate identification of the plurality of twisted pairs. A jacket may be formed around the plurality of twisted pairs and the plurality of dielectric separators.

Abstract: Twisted pair communication cables that include reduced or minimal use of colorant may include a plurality of twisted pairs of individually insulated conductors, and the respective insulation formed around each conductor included in the plurality of twisted pairs may not be blended or compounded with any colorant. Physical indicia may be selectively formed on respective outer surfaces of the insulation of at least two of the plurality of twisted pairs. The physical indicia may include colorant that occupies less than 5.0% of a surface area of the insulation on which it is formed, and the physical indicia facilitate identification of the plurality of twisted pairs. A jacket may formed around the plurality of twisted pairs.

Abstract: A cable may include a plurality of twisted pairs of individually insulated conductors, a separator positioned between the twisted pairs, and a jacket formed around the twisted pairs and the separator. The separator may include a longitudinally extending spine positioned between the plurality of twisted pairs, and a plurality of projections extending from the spine with each projection extending between a set of adjacent twisted pairs. Additionally, a plurality of longitudinally spaced radial ridges may be incorporated into the separator. Each ridge may extend from a surface of one of the plurality of projections towards one of the plurality of twisted pairs in order to provide increased separation distance.

Abstract: A cable may include a plurality of longitudinally extending twisted pairs of individually insulated conductors. A longitudinally extending separator may be positioned between the plurality of twisted pairs. The separator may include at least one portion that extends beyond and is wrapped at least partially around an outer periphery of the plurality of twisted pairs. The at least one extending portion may have a variable thickness or one or more ribs may be formed on a surface of the extending portion. Additionally, a jacket may be formed around the plurality of twisted pairs and the separator.

Abstract: Methods for forming discontinuous shields or shield structures for use in a cable are provided. A layer of dielectric material may be provided that extends in a longitudinal direction and has a first width across a width direction perpendicular to the longitudinal direction. Additionally, a layer of electrically conductive material may be formed on the dielectric material, and the layer of electrically conductive material may extend in the longitudinal direction and may have a second width across the width direction that is less than the first width. Respective gaps may be formed through both the electrically conductive material at a plurality of locations along the longitudinal direction, and each gap may span across the width direction by a distance greater than the second width but less than the first width.

Abstract: A communication cable may include a plurality of twisted pairs and a plurality of discrete components of insulation material positioned in the interstices between the plurality of twisted pairs. Each of the discrete components may have a largest dimension that is no greater than approximately 250 microns. The discrete components may provide separation between two or more of the twisted pairs. A jacket may be formed around the plurality of twisted pairs and the plurality of discrete components.

Abstract: A cable may include a plurality of twisted pairs of individually insulated conductors and a separator positioned between the plurality of twisted pairs. The separator may include a first longitudinally extending tape structure having a first longitudinal fold formed between its widthwise edges and a second longitudinally extending tape structure having a second longitudinal fold formed between its widthwise edges. Additionally, the first tape structure and the second tape structure may be bonded together along a longitudinally extending line proximate to the first and second longitudinal folds. A jacket may be formed around the plurality of twisted pairs and the separator.

Abstract: Communication cables incorporating a plurality of twisted pair components formed around a central member are described. A central member may extend lengthwise along a longitudinal length of a cable, and the central member may include a channel extending lengthwise that defines a longitudinal cavity through the central member. A plurality of unjacketed twisted pair components may be formed around the central member, and each component may include a plurality of twisted pairs of individually insulated electrical conductors Further, a jacket may be formed around the central member and the plurality of twisted pair components.

Abstract: Twisted pair cables incorporated separators with cooling channels are described. A cable may include a plurality of twisted pairs of individually insulated electrical conductors, and a separator extending lengthwise along a longitudinal length of the cable may be positioned between at least two of the plurality of twisted pairs. The separator may include a flexible body configured to maintain the at least two pairs in a predetermined configuration. A first channel extending lengthwise may define a longitudinal cavity through the separator, and at least one second channel may extend from the first channel through the flexible body to an outer surface of the separator. Additionally, the cable may include a jacket formed around the plurality of twisted pairs and the separator.

Abstract: Communication cables incorporating a plurality of twisted pair components formed around a central member are described. A central member may extend lengthwise along a longitudinal length of a cable, and the central member may include a channel extending lengthwise that defines a longitudinal cavity through the central member. A plurality of twisted pair components may be formed around the central member, and each component may include a plurality of twisted pairs of individually insulated electrical conductors and at least one shield layer. The shield layer may include electrically conductive material, and the shield layer may be formed around at least one of the plurality of twisted pairs. Additionally, the shield layer may be in direct contact with the central member. Further, a jacket may be formed around the central member and the plurality of twisted pair components.