cable specification definition
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coaxial cable Definition of coaxial cable. : a transmission line that consists of a tube of electrically conducting material surrounding a central conductor held in place by insulators and that is used to transmit telegraph, telephone, and television signals —called also coax cable.
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Specifications for Power and Data Cable Supports A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and. Division 1 Specification Sections, apply to this Section.
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- The code numbers mean 3 or 7 strands in each conductor, each of 0.029 inches diameter. These cables are approximately equivalent to modern 1mm squared and 2.5mm squared, respectively, and hence would have similar current ratings assuming they are correctly installed and in good condition. have previously asked this question, still without reply. An addition to an installation that has old style stranded cables is being considered. However, do these cables still comply to BS7671 as they are of imperial size, if so,were can cable data be found for them.
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Coaxial cable The ends of coaxial cables usually terminate with connectors. Coaxial connectors are designed to maintain a coaxial form across the connection and have the same impedance as the attached cable. Connectors are usually plated with high-conductivity metals such as silver or tarnish-resistant gold.any conventional coaxial cables use braided copper wire forming the shield. This allows the cable to be flexible, but it also means there are gaps in the shield layer, and the inner dimension of the shield varies slightly because the braid cannot be flat.
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Cable Types and Specifications Cable Types and Specifications. Semi-rigid coaxial cable has a solid outer conductor and is manufactured by drawing seamless tubing over the insulating material and center conductor. It is electrically superior to flexible cable with 100% shielding effectiveness (Figure 9); generally lower loss, extended frequency range, and uniform impedance.
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- Definition of cable. 1a : a strong rope especially of 10 inches (25 centimeters) or more in circumferenceb : a cable-laid ropec : a wire rope or metal chain of great tensile strengthd : a wire or wire rope by which force is exerted to control or operate a mechanism.
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telephone terminology 1 When a piece of wire is cut to a specific length and has specific connectors or plugs attached, it is usually called a cord or a cable, as in extension cord, or modem cable. 2  A cord/cable/piece of wire that connects a phone to a jack is normally called a line cord or sometimes a base cord or a mounting cord.
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Cable television Cable television. A coaxial cable used to carry cable television onto subscribers' premises. The bottom product is a set-top box, an electronic device which cable subscribers use to connect the cable signal to their television set.
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Cabling: Chapter 3 In centralized fiber architecture, the maximum allowable cable length from a Telecommunications Outlet to the termination in the Equipment Room 300 meters Backbone cables are used to provide interconnection between...
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Coaxial cable Coaxial cable, or coax (pronounced /ˈkoʊ.aeks/), æks is a type of cable that has an inner conductor surrounded by a tubular insulating, layer surrounded by a tubular conducting. Shield many coaxial cables also have an insulating outer sheath or. jacketany conventional coaxial cables use braided copper wire forming the shield. This allows the cable to be flexible, but it also means there are gaps in the shield layer, and the inner dimension of the shield varies slightly because the braid cannot be flat.
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Cable converter box Pace Micro Technology DC757X HD cable box. A cable converter box or television converter box is an electronic tuning device that transposes/converts any of the available channels from a cable television service to an analog RF signal on a single channel, usually VHF channel 3 or 4, or to a different output for digital televisions such as HDMI.
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Cold Weather Wire and Cable Installation Ratings and Tips As an example, UL Standard 444 Communication Cables requires a nonshielded cable to be conditioned to a temperature of -20° C and be bent around a mandrel eight times the cable’s OD. Once the cable is bent, it is removed from the mandrel and set aside for a period of time before inspection for surface damage (cracks, splits, tears, etc.).
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- A cable is a nautical unit of length equal to one tenth of a nautical mile. A nautical mile is equal to exactly 1,852 metres So a cable is equal to 185.2 metres.
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- F Type. Primarily used for cable TV, HFC, set-top boxes, cable modems, the F coaxial connector is a 75ω connector often used in conjunction with standard RG59 and RG6 75ω coaxial cables. The connector has good performance characteristics up to about 1GHz and is not suitable for modern day broadband requirements.rimarily used for cable TV, HFC, set-top boxes, cable modems, the F coaxial connector is a 75ω connector often used in conjunction with standard RG59 and RG6 75ω coaxial cables.
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Glossary of Cable Television Terms Cable Home Wiring: The cable wiring dedicated to a subscriber’s premises on the subscriber’s side of the Demarcation Point, including inside wiring, but excluding any active elements such as amplifiers, converters or decoder boxes, or remote control units (see Demarcation Point).
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Cable harness Harness of coaxial cables. Harness of car audio cables. A cable harness, also known as a wire harness, cable assembly, wiring assembly or wiring loom, is an assembly of cables or wires which transmit signals or electrical power.
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- Cable Tray Applications in R&D Laboratories. Article 318 of the National Electrical Code (NEC) governs the installation and use of cable trays for electrical power distribution. While the Code does not apply directly to cable trays containing only instrumentation cables (e.g. no power cables, including extension cords), it is a best practice to follow the same standards.
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How seriously does cable length affect USB 3.0 transfer speeds? A USB 3.1 cable assembly may be of any length as long as it meets all the requirements defined in this specification. The cable assembly voltage drop budget defined in Section 11.4.2 and the cable assembly loss budget defined in Section 5.6.1.3.2, limit the cable assembly length.
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Coaxial cable Coaxial cable, or coax (pronounced /ˈkoʊ.aeks/), æks is a type of cable that has an inner conductor surrounded by a tubular insulating, layer surrounded by a tubular conducting. Shield many coaxial cables also have an insulating outer sheath or. jacket
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RF Cable Assembly Standard and Custom Cables Assemblies. RF Cable Assembly is a quality manufacturer of standard and custom cable assemblies and electromechanical wiring harnesses for medical, computer, LAN, RF, automotive, monitoring and communications equipment. We can build custom cables to meet your requirements, whether standard or special.
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Wire and Cable Terms/Rating The temperature rating of a conductor is a maximum temperature, at any location along its length, that the conductor can withstand over a prolonged period of time without serious degradation. For conventional building wire and cable the most common ratings are 60°, 75° and 90° centigrade. Appliance Wiring Material (AWM) is permitted to carry a 105°C rating only when it is used in appliances. -2 rating denotes that cable is approved for operating temperature of 90°C in wet or dry locations.
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Signal Cable and Control Cable The signal cables and control cables in this category may be used in dry, damp, or wet locations, making them even more versatile. 1  Multi-Conductor Double Shielded PVC Signal Cable and Control Cable. Signal cable and control cable are both types of flexible data cable used in data transmission applications which demand superior signal protection. These applications require some of the smallest, most flexible, and highly screened cables on the market.
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- For example, in the IBM system, Category 3 cable (voice-grade UTP cable) is referred to as Type 3. (Table 2.2 compares the IBM cabling-system type names with standard cable type names.) The cable definitions specify which cable is appropriate for a given application or environment.
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- The TIA standard defines the parameters for each part of the cabling system, which includes work area wiring, horizontal wiring, telecommunication closets, equipment rooms and cross- connects, backbone (vertical) wiring, and entrance facilities. Each of these is described next.
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Definitions &Translations Cable modem. A cable modem is a type of network bridge and modem that provides bi-directional data communication via radio frequency channels on a hybrid fibre-coaxial and RFoG infrastructure.
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Coaxial Cable, RF Cable, RF Connectors, Antenna Cable, Coaxial Connectors and Other Coaxial Products Coaxial Cable Basics-Construction and Operation. Coaxial is a term derived from the construction of the cable, as illustrated here. In a coaxial cable an electrical impulse signal is transmitted along the cable length between the center conductor and the outer conductor.