Wire and Cable, Harnessing and Protection Products
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History Electrical Cables
Cable A cable is two or more wires running side by side and bonded, twisted or braided together to form a single assembly. In mechanics cables, otherwise known as wire ropes, are used for lifting, hauling and towing or conveying force through tension. In electrical engineering cables are used to carry electric currents. An optical cable contains one or more optical fibers in a protective jacket that supports the fibers. Electric cables discussed here are mainly meant for installation in buildings and industrial sites. For power transmission at distances greater than a few kilometres see high voltage cable, power cables and HVDC. History Ropes made of multiple strands of natural fibers such as hemp, sisal, manila, and cotton have been used for millennia for hoisting and hauling. By the 19th century, deepening of mines and construction of large ships increased demand for stronger cables. Invention of improved steelmaking techniques made high quality steel available at lower cost, and so wire ropes became common in mining and other industrial applications. By the middle of the 19th century, manufacture of large submarine telegraph cables was done using machines similar to that used for manufacture of mechanical cables. In the 19th century and early 20th century, electrical cable was often insulated using cloth, rubber and paper. Plastic materials are generally used today, except for high reliability power cables Electrical cables Electrical cables may be made more flexible by stranding the wires. In this process, smaller individual wires are twisted or braided together to produce larger wires that are more flexible than solid wires of similar size. -
Cables.Wiki.20150428.Pdf
Contents 1 Cable 1 1.1 Etymology ............................................... 1 1.2 Electrical cables ............................................ 2 1.2.1 Cables and electromagnetic fields ............................... 2 1.2.2 Fire protection ........................................ 3 1.2.3 Electrical cable types ..................................... 3 1.3 Hybrid cables ............................................. 4 1.4 Mechanical cables ........................................... 4 1.5 See also ................................................ 4 1.6 References ............................................... 5 1.7 Further reading ............................................ 5 1.8 External links ............................................. 5 2 Coaxial cable 6 2.1 Applications .............................................. 6 2.2 Description .............................................. 6 2.3 Construction .............................................. 7 2.4 Signal propagation ........................................... 8 2.5 Connectors .............................................. 8 2.6 Important parameters ......................................... 8 2.6.1 Physical parameters ...................................... 9 2.6.2 Fundamental electrical parameters .............................. 9 2.6.3 Derived electrical parameters ................................. 9 2.6.4 Choice of impedance ..................................... 10 2.7 Issues ................................................. 11 2.7.1 Signal leakage ........................................ -
Wire and Cable, Harnessing and Protection Products
46-455 Cover A/W 20/9/02 4:13 pm Page 1 August 2002 Wire and Cable, Harnessing and Protection Products Wire and Cable, Harnessing and Protection Products ©2002 Tyco Electronics Corporation July 2002 Tyco Electronics Corporation Tyco Electronics Corporation Tyco Electronics Corporation Tyco Electronics Corporation 300 Constitution Drive Faraday Road 3816 Noborito, Tama-ku Asia Pacific Headquarters the in Printed Menlo Park, CA 94025-1164 Dorcan, Swindon Kawasaki 26 Ang Mo Kio USA SN3 5HH Kanagawa 214-8533 Industrial Park 2 Tel: (800) 926-2425 Tel: +44 1793 528171 Japan Singapore 569507 (US & Canada) Tel: +81 44 900 5102 Tel: +65 4866 151 USA 1654025 Tel: +1(650) 361-3860 (All other countries) www.tycoelectronics.com Overview etc. 30/9/02 11:35 am Page 3 Contents Application Overview 1 Seal It 1-0 Connect It 1-1 Insulate It 1-2 Protect It 1-3 Wire It 1-4 Hold It 1-5 Join It 1-6 Beautify It 1-7 Reduce It 1-8 Repair It 1-9 Flex It 1-10 All of It 1-11 Electrical Interconnection System Design 2 Harness Design 2-0 Protection of Harness Components 2-4 HarnWare 2-6 Integrated Military Harness Systems for Defense and Allied Industries 2-16 Products Tubing 3 Molded Parts 4 Adhesives 5 Adapters 6 Assemblies 7 Electrical Interconnect Products 8 Wire and Cable 9 Application Equipment 10 Supporting Information 11 Equivalents and Conversions 11-0 Temperature Conversion 11-2 Glossary 11-4 Index 11-22 Overview etc. 30/9/02 11:35 am Page 4 How to use This catalog has four main sections: Application Overview Electrical Interconnection System Design The Product Supporting Information Application Overview (Section 1) presents The product information pages provide some or all general design ideas based on typical uses for of the following information (depending on the Raychem-brand wire and cable, heat-shrinkable tubing product family): and protection products. -
MADI / AES Technology . Made by RME What Is MADI?
PREMIUM LINE MADI / AES Technology . Made by RME What is MADI? MADI - Multichannel Audio Digital Interface - is the Pro Audio Industry One cable for all channels. MADI provides a convenient standard for multichannel audio. MADI is the perfect solution for the method of transmitting multiple audio channels more transmission of multiple digital audio channels, avoiding the technical MADI is the solution for the efficiently. MADI signals can be transmitted by two cable problems of the standard multicore cables: too short, aging, high weight, types: stray pick-up, cable loss, cumbersome handling. special pro audio requirements. - Coaxial, max. 100 m (75 Ohms, BNC) On the contrary MADI: All signals within one optical or coaxial cable. Only A thin cable transmits - Optical fibre glass, max. 2000 m two MADI cables will interface a full 64-channel application, a stage, a (62.5/125 µ, standard network technology) up to 64 audio channels theatre, or a conference hall. Traditional multi-pair snakes for different applications in live, - lossless - over distances of MADI users can benefit from cost savings and lower maintenance on the studio and installation have been an audio-standard for years overall installation. MADI solutions combine the same basic functionality up to 2000 meters! and still are. The more channels are needed the more a snake with improved flexibility over a much smaller cable as a conventional becomes invaluable. The use of a snake, especially in mobile multi-core snake. applications or on the road, does not become more reliable as the time goes by. It will get hoisted, coiled and often stomped on by the crowd.