A composite manufacture includes an extrudable thermoplastic matrix and a photochromic colorant, the photochromic colorant conferring to the composite a reversible strain-induced color change property. Methods include adding photochromic colorant to an extrudable thermoplastic polymer matrix to form a mixture, heating the mixture to form a composite, the photochromic colorant conferring to the composite a reversible strain-induced color change property. The composite manufactures can be used in cable coatings permitting visual detection of mechanical stresses in a wire based on the reversible strain-induced color change property.

Aspects of the present disclosure relate to providing cable assemblies for cellular base stations having remote radio head units located atop a radio tower. Each installation requires near-custom cabling, as the electrical resistance of the conductors of the cable assembly varies based on the length of the cable assembly, and because different operators and local governments require different color-coding of the conductors which are coupled to the power trunk. Accordingly, a power distribution system is provided herein wherein conductors of a trunk cable may be coupled to power jumper conductors at transitions. The transitions are generally cylindrical and comprise channels into which splicing lugs are seated. The conductors may be electrically coupled together and secured via set screws. Manufacturing costs may be reduced, as common configurations of trunk cables may be manufactured in higher quantity and coupled to power jumper conductors according to local requirements.

The invention relates to a power cable comprising at least one conductor element (10) and which additionally comprises at least one strip (16) arranged on at least one portion of the length of said conductor element (10). The strip (16) is equipped with a winding-free energy recovery system which supplies the strip (16) with electric current from the energy available in the conductor (10). The strip (16) has a plurality of elements (18) which generate light from this electric current.

Enhanced traceability of cables is provided using illumination. An embodiment comprises introducing a chemiluminescent (alternatively, flourescent) solution into a chamber coupled to at least a portion of an insulating jacket that surrounds a transmission medium, the chamber being initially hollow and, in at least a portion thereof, comprised of a substance through which light is viewable, such that upon introduction of the solution through a port, light emitted by the solution is viewable through at least a portion of the chamber. In another embodiment, a first and second compartment contain a first and second substance, respectively, and are physically separated. When an opening is caused in the physical separation, the substances are allowed to mix, the substances being chosen as providing a chemiluminescent reaction upon the mixing, such that light emitted by the chemiluminescent reaction is viewable.

Laser-markable cable layers for a cable are provided. The laser-markable cable layers include an inner layer formed of a first polymer material and an outer layer formed of a second polymer material and a laser-marking compound. The outer layer is about 0.5% to about 50% of the thickness of the inner layer. The laser-markable cable layers surround a wire or cable core. Methods of marking a cable having laser-markable cable layers are also provided.

A Colored Circuit Breaker System for any existing and/or new circuit breaker panel structured and arranged to use specific, coded colors, at the point of manufacture, to identify individual circuits and breakers, easily identifying which breaker goes to which component.

An electrical arrangement with an implantable cable element may be provided which comprises a strain relief element which is arranged centrically in the cross section, as well as a group of conductors insulated to one another, said group being stranded around the strain relief element, and a common shielding element surrounding the electrical conductors, as well as a fluid-tight cable sheath. The implantable cable element may have a symmetrical construction.

Enhanced traceability of cables is provided using illumination. An embodiment comprises introducing a chemiluminescent (alternatively, fluorescent) solution into a chamber coupled to at least a portion of an insulating jacket that surrounds a transmission medium, the chamber being initially hollow and, in at least a portion thereof, comprised of a substance through which light is viewable, such that upon introduction of the solution through a port, light emitted by the solution is viewable through at least a portion of the chamber. In another embodiment, a first and second compartment contain a first and second substance, respectively, and are physically separated. When an opening is caused in the physical separation, the substances are allowed to mix, the substances being chosen as providing a chemiluminescent reaction upon the mixing, such that light emitted by the chemiluminescent reaction is viewable.

An extension cord system designed for the safe and efficient transfer of electrical power from a conventional main breaker box to a power source, such as a generator, thereby providing electrical power for worksites and buildings without requiring electrical hookups. The extension cord system comprises a main wire with integrated split wires at one end and a three-prong plug at the other end, providing compatibility with standard electrical configurations. The split wires include a hot wire with alligator or electrical clips for secure connection to the breaker box's hot bar(s), a neutral wire with an alligator or electrical clip attached to the neutral bar, and a ground wire with an alligator or electrical clip for grounding to the ground bar. The three-prong plug is plugged into the generator for enabling users to run lights and equipment using the generator.

Enhanced traceability of cables is provided using illumination. An embodiment comprises introducing a chemiluminescent (alternatively, flourescent) solution into a chamber coupled to at least a portion of an insulating jacket that surrounds a transmission medium, the chamber being initially hollow and, in at least a portion thereof, comprised of a substance through which light is viewable, such that upon introduction of the solution through a port, light emitted by the solution is viewable through at least a portion of the chamber. In another embodiment, a first and second compartment contain a first and second substance, respectively, and are physically separated. When an opening is caused in the physical separation, the substances are allowed to mix, the substances being chosen as providing a chemiluminescent reaction upon the mixing, such that light emitted by the chemiluminescent reaction is viewable.