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Cable Shielding Manufacturers and Suppliers

IQS Directory provides a comprehensive list of cable shielding manufacturers and suppliers. Use our website to review and source top cable shielding manufacturers with roll over ads and detailed product descriptions. Find cable shielding companies that can design, engineer, and manufacture cable shielding to your companies specifications. Then contact the cable shielding companies through our quick and easy request for quote form. Website links, company profile, locations, phone, product videos and product information is provided for each company. Access customer reviews and keep up to date with product news articles. Whether you are looking for manufacturers of magnetic shielding foil, radiation shielding, RF shielding, or customized cable shielding of every type, this is the resource for you.

  • San Fernando, CA 818-764-8222

    Spira Manufacturing Company was founded in 1978 by an engineer who wanted to fix problems associated with EMI gaskets on the EMI shielding market. To that end, he patented a new EMI gasket along with a whole family of EMI products. He created a company that is committed to innovation, quality and custom design. ISO-9001 and AS9100 certified, accredited by QMI-SAI Global and ANA and a recipient of the Golden Gate Recognition by Cal/Osha, you can trust your EMI and cable shielding needs to Spira.

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  • Lancaster, NY 716-684-7600

    Rooted in our long history as a family company, Sealing Devices Inc. offers our customers a personal touch, putting in the time to come up with product solutions for every custom application. We have ample knowhow in EMI shielding, and specialize in design assistance for integrating EMI shielding o-rings. Turn to Sealing Devices for all your shielding needs! Our expertise in ruggedized COTS components makes us a must for your military, electronic, aerospace and industrial applications.

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  • Canandaigua, NY 888-599-6113

    Select Fabricators, Inc. manufactures flexible packaging, cleanroom assemblies, and portable EMI shielding enclosures as well as contract product assembly and fulfillment for aerospace, medical, death care and industrial customers.

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  • Bethlehem, PA 800-576-7325

    Seal Science, Inc. (SSI) is an industry leader in design engineering and precision manufacturing of materials and components for critical sealing applications and advanced technology systems. SSI provides cutting edge technological solutions for mechanical and electrical systems; including structural subsystem design, signature management and electromechanical interference (EMI) shielding products. Contact us for more information!

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  • Passaic, NJ 973-928-8300

    We are space-qualified. Located in Passaic, New Jersey, we cater to the needs of numerous technology intensive industries including the US Government and its’ contractors. MWT Materials (and our predecessor, Millimeter Wave Technology) has been active in the research, development, analysis, and manufacture of radar absorbing materials and coatings (RAM) since the early 1980’s.

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businessIndustry Information

Cable Shielding

Cable shielding runs beneath the plastic jacket of a cable and encapsulates the wire or series of wires inside. This shielding can be made from braided strands of copper, other metals like aluminum, a spiral of copper tape or a layer of conductive polymer. The purpose of cable shielding is to reduce the noise affecting the cable’s signal and to dampen any electromagnetic radiation that might interfere with other devices. In order to work, the shield must cover all splices in the cable.

Electromagnetic interference (EMI), also known as radio frequency interference (RFI) can be extremely disruptive to many electronic devices. EMI can degrade or stop the performance of a circuit, rendering an instrument completely useless. These EMI currents are generated by both natural and man-made sources, like car ignition systems, cell phones, thunder storms, the Sun, and the northern lights.

There are two distinct types of electromagnetic interference that produce two different effects. The first type is known as “narrowband” EMI or RFI. Narrowband interference comes from transmissions like radio and TV stations or cell phone signals. The other type of interference is called “broadband”. Broadband interference is caused from unintentional radiation created from things like electric power transmission lines. Cable shielding helps to protect against both types of interference.

Shielded cables are often used in security system applications because they provide protection from power and radio frequency interference. This can drastically reduce the number of false alarms that are triggered. Microphone cables in PA and recording studios are usually fitted with shielding to prevent interference during recording. Medium and high voltage cables also use copper or aluminum tape shielding to stop any power cable that is touching the ground from discharging electricity upon contact. The cable is grounded in at least two places to prevent shock even when the current is flowing through the shield. Most cable shielding functions in the same way as a Faraday cage which can be found in electronic devices like mobile phones. A Faraday cage is a metallic cage that encases electrical components to protect from electromagnetic interference. Cable shielding is essentially doing the exact same thing, only in a different shape because of the various cable sizes and lengths that are manufactured.

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Cable Shielding Informational Video