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Shielded Cable

Get High-Quality Shielded Cable at Wholesale Prices!

Get the best cables for your cabling needs from GLZW. Our shielded cable is made with high-quality materials for top performance and durability. Enjoy unbeatable prices, especially when you buy in bulk. Stock up today and enjoy wholesale prices on all orders. Trust GLZW for reliable and affordable cables.

  • Cable

    Why Choose GLZW's Shielded Cable

• GLZW’s Shielded Cable enhances signal integrity in environments with high electromagnetic interference.
• Robust construction allows for reliable performance and lower maintenance costs over a long lifespan.
• Versatile applications make it suitable for complex network infrastructures and home/office settings.
• Quality, reliability, and versatility are guaranteed by GLZW’s Shielded Cable.

Why Choose GLZW's Shielded Cable
Shielded Cable Price
  • Cable

    Shielded Cable Price

• The market price range for shielded cables lies between $0.50 and $10 per foot, taking into account material, length, and diameter considerations.
• Copper cables are costlier than aluminum or steel due to their superior electrical performance and efficiency.
• More shielding requires extra materials and additional manufacturing processes, thus impacting the price of the cable.
• Length and diameter are also cost determinants as more material usage, higher shipping costs, and complex production processes affect the cable’s price.
• The prices of shielded cables vary depending on their type; multi-pair cables used for data transmission are priced differently from coaxial shielded cables used in radio and television broadcasting.

List of Standard Specifications for Shielded Cable

Conductor MaterialCopper or Aluminum
Insulation TypeXLPE (Cross-linked Polyethylene) or PVC (Polyvinyl Chloride)
Armor TypeSteel Wire Armor (SWA) or Steel Tape Armor (STA)
Voltage RatingTypically 600/1000V or 0.6/1kV
Operating Temperature-15°C to +90°C (XLPE insulated cables), -40°C to +70°C (PVC insulated cables)
Bending RadiusMinimum bending radius should be 6 times the cable diameter for single-core cables and 8 times the cable diameter for multi-core cables
Core IdentificationColor-coded (e.g., Brown, Black, Grey for Phases; Blue for Neutral; Green/Yellow for Earth)
Fire PerformanceFlame-retardant or Fire-resistant cables may be available
ShieldingDepending on requirements, cables may have a metallic or non-metallic shielding
Safety Considerations- Proper installation techniques should be followed to prevent damage to the cable and ensure electrical safety.

Shielded Cable for Sale

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Why Shielded Cable is Your Best Choice: A Comprehensive Guide

When it comes to your electronic wiring needs, choosing the right cable is crucial. You want a cable that can reliably transmit data without any interference or degradation. That’s why shielded cables are the best choice for network wiring. GLZW provides a comprehensive guide to help you understand why shielded cables are the ideal solution for your needs. Discover how our wide selection of cables can optimize your data transmission.

What is shielded cable, and why is it important?

A shield will reflect some energy, conduct some energy to ground, and pass
some energy

A shielded cable is an electrical cable that consists of one or more insulated conductors enclosed by a shielding layer made of metallic or non-metallic material. The primary purpose of the shield is to protect the conductors from external electromagnetic interference (EMI), which can cause signal degradation, noise, and other transmission errors. Shielded cables are widely used in applications where signal integrity, data transmission reliability, and noise immunity are critical factors.

Shielded cable: A brief overview

Shielded cable is a type of cable that has a grounding conductor or metallic shield around its conductors. The security is usually connected to the ground through a grounding wire. Shielded cables come in various configurations, including twisted pairs, coaxial cables, and multi-conductor cables. The shielding materials used in shielded cables can be metallic, such as copper or aluminum, or non-metallic, such as foil or braid.

Why is shielded cable necessary in specific applications?

Shielded cables are necessary for applications where electromagnetic interference (EMI) can negatively impact data transmission or signal quality. EMI can occur when two or more electrical circuits are nearby, and their electromagnetic fields interact. This can result in distortion, degradation, or complete signal loss, making it difficult or impossible to transmit necessary data. Shielded cables are commonly used in industrial control, networking, audio and video transmission, and medical equipment, where reliable signal transmission is critical.

What are the advantages of using a shielded cable?

Shielded cable provides several benefits, including improved signal quality, reduced interference and noise, and better data transmission reliability. Shielded lines help to maintain signal integrity by protecting the conductors from external EMI and reducing the impact of crosstalk between adjacent lines. Shielded cables also limit the amount of electrical noise that can interfere with the signal, providing a cleaner and clearer signal transmission. Additionally, shielded cables reduce the likelihood of data loss, ensuring that critical information is transmitted accurately and reliably.

How does shielded cable protect against electromagnetic interference (EMI)?

Shielded cable protects against EMI by creating a conductive shield surrounding the conductors. The shield absorbs much of the electromagnetic interference that comes in contact with the line and directs it to the ground. The protection also helps to contain the electromagnetic fields generated by the conductors, reducing the amount of interference that can affect neighboring circuits. By grounding the security, electrical noise that might otherwise interfere with signal transmission is redirected away from the conductors.

What are the different types of shielded cables available?

Typical shielding configurations

Several types of shielded cable are available, each designed for specific applications and environments. Twisted pair shielded line is commonly used for networking and telecommunications applications. Coaxial cable is often used for video and radio frequency (RF) transmission. Multi-conductor shielded cable is used in various applications, including industrial control and instrumentation. Shielded cables may also vary in shielding material, conductor material, insulation type, and overall design. Choosing the correct type of shielded cable for your specific application is important to ensure reliable data transmission and signal quality.

How to choose the right shielded cable for your needs

How to choose the right shielded cable for your needs

Understanding the Different Types of Shielded Cables:

Various types of shielded cables are available in the market, each with unique features and properties. Some commonly used shielded cables include foil-shielded cables, braided shielded cables, and spiral-shielded cables. Foil-shielded cables use a thin metal layer for shielding, which is lightweight and low-cost. Braided shielded lines offer high flexibility and resistance to abrasion. Spiral-shielded cables use a spiral-wound shield for increased flexibility and durability. Selecting the correct type of shielded cable depends on factors such as the level of shielding required, operating environment, and intended use.

Key Factors to Consider When Selecting a Shielded Cable:

When selecting a shielded cable, several critical factors should be considered. These include conductivity, signal interference, durability, and insulation strength. For example, high conductivity ensures efficient signal transmission, while low signal interference minimizes the chances of distorted signals. Durability is essential, especially in harsh environments where the cable is exposed to mechanical stress, abrasion, or vibration. Insulation strength determines the cable’s electrical strain resistance and influences its lifespan.

Which Applications Are Best Suited for Shielded Cables?

Shielded cables are best suited for applications where electrical noise and electromagnetic interference can negatively affect signal quality. These applications include computer networks, audiovisual systems, power generation, and control systems in industrial settings. Shielded cables are commonly used in areas with high electromagnetic interference, such as airports, hospitals, and military installations.

What are the Specific Benefits of Using Shielded Cables in Professional Environments?

The use of shielded cables in professional environments provides several benefits. The most significant advantage is preventing interference from external electrical or magnetic fields, which ensures the efficient transmission of high-quality signals. Shielded cables also offer enhanced conductivity, which leads to decreased signal distortion. They are also highly durable, which means they can withstand harsh environments and extended periods of use.

Real-life Examples of Successful Implementation of Shielded Cables:

Shielded cables have been successfully implemented in various real-life situations, including data centers, healthcare facilities, and manufacturing plants. In data centers, shielded cables ensure stable and secure network connectivity. In healthcare facilities, they minimize interference between sensitive medical equipment. In manufacturing plants, shielded cables are used to maintain the integrity of control and automation systems. These real-life examples showcase the critical role that protected lines play in ensuring the seamless operations of various technical systems.

Installation tips and best practices

Foil-braid shielding yields the best shielding effectiveness

Proper Handling and Storage of Shielded Cables

Shielded cables must be handled and stored carefully to ensure their effectiveness. Improper handling or storage can damage the wires and reduce their shielding effectiveness. Therefore, it is essential to keep shielded cables away from high-voltage sources, moisture, and extreme temperatures. You should bundle the wires together and store them in a dry and cool place to prevent the cables’ kinking, crushing, or twisting.

How to Ensure Proper Grounding of Shielded Cables

Properly grounding shielded cables is crucial for maintaining signal integrity and preventing EMI. The shields in shielded wires act as a barrier that intercepts stray electromagnetic signals and prevents them from causing interference. So, make sure to ground both ends of the shielded cables to the equipment to which they are connected. Use a line with a ground wire, and connect it to the equipment grounding system.

Step-by-Step Guide to Installing Shielded Cables

Installing shielded cables requires attention to detail and careful planning. Follow these steps to install shielded lines correctly:

  1. Plan the cable run and select the appropriate cable length.
  2. Strip the cable ends and separate the shields.
  3. Connect the drain wires to the connector.
  4. Connect the conductors to the connector.
  5. Complete the connector assembly by attaching the backshell.
  6. Verify that the connector assemblies are securely attached.

Common Mistakes to Avoid During Shielded Cable Installation

Some common mistakes people make during shielded cable installation include improper handling, incorrect termination, and inadequate grounding. These can lead to signal degradation, EMI, and other issues. To avoid these mistakes, use proper tools and techniques during installation, follow the manufacturer’s guidelines, and ensure adequate grounding of the cables.

Troubleshooting Common Issues with Shielded Cables

If you encounter problems with shielded cables, there are a few troubleshooting techniques you can use. Check the cable connections and ensure they are correctly fitted to the connector. Verify that each line is fully seated in its respective connector. Ensure the wires are not kinked, bent, or twisted, as these can cause signal loss. Finally, you can use an EMI test tool to analyze the wires and locate any interference.

In conclusion, correctly installing shielded cables demands high attention to detail and careful planning. Following the above guidelines will help ensure optimal performance, prevent potential damage to your equipment, and maintain signal integrity while reducing EMI. You can achieve reliable and efficient data transmission in your electronic devices by systematically handling, grounding, and installing these cables.

Are you comparing shielded and unshielded cables: Which one should you choose?

Are you comparing shielded and unshielded cables: Which one should you choose?

Understanding the Differences Between Shielded and Unshielded Cables

Shielded and unshielded cables differ in design, construction, and overall performance. Shielded cables have a layer of covering material surrounding the conductive wires/pairs, whereas unshielded cables typically have fewer layers and are less complex in design. Shielded cables are more expensive than unshielded ones but offer superior protection against interference, especially in environments with high EMI/RFI. Unshielded wires, on the other hand, are typically less expensive, easier to install, and ideal for shorter runs with low interference levels.

When is it Necessary to Use Shielded Cables over Unshielded Ones?

When is it Necessary to Use Shielded Cables over Unshielded Ones?

Choosing shielded cables over unshielded ones depends on the type of application and the level of EMI/RFI present in the environment. High-speed data transmission applications, such as computer networking, audio/video, and medical devices, require shielded cables to prevent data loss, signal degradation, and equipment malfunction. Industrial and manufacturing facilities, where large motors, generators, and other electrical equipment are present, also require shielded cables to reduce emissions and keep signals clear. In contrast, unshielded cables are commonly used in residential and small commercial applications, where short cable runs and low levels of interference are typical.

What are the Performance Implications of Using Shielded Cables?

The primary advantage of shielded cables is the reduced risk of EMI and RFI, which can cause communication errors, signal loss, and equipment damage. Protecting a line can also improve the overall signal quality, reduce crosstalk, and increase the bandwidth of the line. Shielded cables are less susceptible to external noise and can run continuously over longer distances without interference. However, shielded lines are typically more expensive and require proper grounding and shielding connections to ensure optimal performance.

Examining the Cost-Benefit Ratio of Shielded Cables

While shielded cables are more expensive than unshielded ones, the added protection they offer can be beneficial in the long run. Shielded cables are designed to last longer and provide better performance, especially in high EMI/RFI environments. The cost of replacing damaged or disrupted lines and the cost of lost data transmission or equipment damage can outweigh the initial cost of installing shielded cables. Therefore, weighing the benefits of protecting against the costs is important before deciding which type of cable to use.

Real-World Scenarios Where Shielded Cables Offer Better Protection

In numerous real-world scenarios, shielded cables offer better protection than unshielded ones. For example, shielded cables are commonly used in broadcast and motion picture studios to prevent interference that can degrade audio or video quality. In medical facilities, shielded cables reduce the risk of EMI and RFI that can interfere with sensitive medical equipment. In manufacturing and industrial settings, shielded cables are essential to prevent EMI/RFI from damaging equipment and disrupting operations. By understanding the specific needs of each application, one can identify scenarios where shielded cables offer better performance, reliability, and protection.

Tips for maintaining and troubleshooting shielded cables

Tips for maintaining and troubleshooting shielded cables

Regular Maintenance Practices to Prolong the Lifespan of Shielded Cables

Shielded cables require regular maintenance to prolong their lifespan and enhance their performance. One basic maintenance practice is ensuring that the wires are properly grounded, as any deficiencies can lead to EMI in the system. Additionally, inspecting the cable sheath for any physical damage and repairing or replacing the damaged areas as soon as possible is essential. Furthermore, checking the connectors for proper fitting and cleaning them with a soft cloth can also help to prevent signal degradation.

How to Identify and Fix Common Issues with Shielded Cables

Common issues with shielded cables can occur for several reasons, including improper installation, poor handling, or environmental factors. One of the most common issues is signal degradation, which can be caused by the attenuation of the signal due to EMI or an improperly grounded cable. Another common issue is cable sheath damage, which can lead to EMI leakage or signal loss. A comprehensive troubleshooting approach may include performing a visual inspection of the cable and connectors, reviewing installation instructions, testing the signal strength, and evaluating the grounding system. Upon identifying any issues with the shielded cabling, fixing them may involve repairing or replacing damaged areas, re-terminating connectors, or replacing the entire cable.

Resources for Troubleshooting Shielded Cable Problems

When facing issues with shielded cables, there are several resources available that can help to troubleshoot the issues. Manufacturers’ technical support teams can provide detailed information on the installation, maintenance, and troubleshooting of their shielded cables. Additionally, industry-standard specifications and guidelines such as ANSI/TIA/EIA-568-B and NEMA WC 57 can provide insights into the proper installation and maintenance of shielded cables.

When Should You Consider Upgrading Your Shielded Cables?

Upgrading shielded cables may be necessary when a system’s requirements or environmental factors change, leading to insufficient signal strength or increased EMI. Upgrading to newer, more efficient cables can also provide benefits such as improved performance, higher reliability, and better EMI protection. Other factors that may prompt an upgrade include changes in system voltage, conductor size, or the need for increased bandwidth.

Ensuring Compliance with Industry Standards for Shielded Cable Installations

When installing shielded cables, it is essential to comply with industry standards to ensure proper operation and to avoid issues related to EMI. Guidelines from organizations such as the National Electrical Code (NEC), Technical Committee 215, and the International Electrotechnical Commission (IEC) provide specific standards that govern the installation and maintenance of shielded cables. Complying with these standards not only ensures optimal performance but also guarantees safety and reliability in the system.

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Frequently Asked Questions

A: Shielded cable has an additional layer of protection in the form of a metallic shield, which helps to reduce the effects of interference on the signal. On the other hand, unshielded cable does not have this protective layer and is more susceptible to interference.

A: There are several types of shielded cable available, including shielded twisted pair (STP), foil shielded cable, and braid shielded cable. These different types of shielding provide varying levels of protection against interference.

A: Shielded cable should be used in environments where there is a high risk of electromagnetic interference, such as industrial settings, data centers, and security systems. It is also recommended for applications that require high-performance and reliable signal transmission.

A: Using shielded cable can help to improve signal quality, reduce noise and interference, and increase the overall performance of electronic devices. It can also prevent data loss and ensure reliable connectivity.

A: Shielded cable works by creating a barrier between the wires and the external electromagnetic fields. The metallic shield of the cable absorbs and redirects the electromagnetic interference, preventing it from affecting the signal.

A: Yes, shielded cable can help to reduce false alarms in security systems. By minimizing electromagnetic interference, it can prevent signal distortions that may trigger false alarms.

A: For high-speed data transmission, shielded twisted pair (STP) cable is recommended. It provides excellent noise immunity and can support higher data rates compared to other types of shielded cable.

A: Shielded cable is typically identified by its metallic jacket or the presence of a shield symbol on the cable jacket. The packaging or product description will also indicate if the cable is shielded.

A: When choosing shielded cable, you should consider factors such as the specific application requirements, the level of electromagnetic interference in the environment, the desired data transfer speed, and the compatibility with the existing connectivity products.

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