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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 Corp. offers the most reliable EMI gaskets & shielding for the electrical / electronic industries to meet required EMC/EMI shielding regulations. We have been providing reliable, cost-effective EMI & RFI shielding solutions for over 30 years, and to this day we continue to provide EMI products with innovation & expertise. Spira is an AS9100 and ISO 9001:2008 certified company.

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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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  • Quakertown, PA 215-703-0950

    At View Thru Technologies, we provide a comprehensive line of shielded filters. Our EMI shielding products are designed to meet any shielding requirements ranging from low-level anti-static applications to Level 1 TEMPEST applications. We use our own printed copper mesh, as well as various conductive coatings to ensure your shielding requirements are met.

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  • Reedsburg, WI 800-482-1941

    VTI Vacuum Technologies, Inc. supplies EMI/RFI/ESD shielding and form-in-place gasketing solutions for medical, defense, aerospace and industrial devices. VTI utilizes a vacuum deposition process for selectively shielding plastic electronic enclosures. The company robotically dispenses conductive and environmental form-in-place gaskets for sealing plastic and metal components. VTI is ISO 9001:2008 certified, ITAR compliant and veteran owned small business established in 1993.

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  • Pleasanton, CA 925-461-8830

    Peridot Corporation is a precision manufacturer of RFI and EMI shielding for a multitude of industries, including medical, telecommunications, computer, electronics, automotive and aerospace. We offer a vast array of manufacturing technologies, all under one roof, to ensure optimum shielding solutions.

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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