Advantages of PVC insulated wires and cables | Blog

PVC (Polyvinyl chloride) is used in electrical cable construction for insulation and sheathing. PVC insulated wires are widely used for residential, commercial and industrial purposes. Let&#;s delve deeper into the advantages that PVC insulated wires and cables offer that make them so popular:

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PVC wires and cables are flame retardant:

PVC wires and cables are flame-retardant. Also, the PVC sheathing is self-extinguishing. This means, in case of a fire accident, when the source of fire is removed, the cable will stop burning. PVC wires and cables are resistant to chemicals such as acids, alkalis and oils. For certain industries, additives such as plasticizers are added to PVC sheathing to make it more durable and resistant to toxic chemicals. After adding additives, PVC wires and cables can handle a temperature range from -40 to 105°C.

PVC wires and cables are tougher and have a better dielectric strength

In high specification applications, PVC wires and cables are preferred as cross-linked PVC offers better temperature resistance, is tougher than XLPE and other wires and cables. Not just that, PVC wires and cables also have good dielectric strength.

PVC wires and cables are easy to install and handle

PVC is known for being flexible and easy to shape. PVC can be used, joined and welded into any shape. This ensures that PVC wires and cables are available in various sizes and styles. Being lightweight, PVC wires and cables are easy to handle.

PVC wires and cables are lead-free

PVC wires and cables are environmentally a better choice than other cables and wires as they do not contain lead. Cables and wires with lead are harmful to the environment during use or on disposal.

Our PVC wires and cables are lead-free

PVC cables are electrical cables that use Polyvinyl Chloride (PVC) as an insulation material.  PVC is a versatile and widely used thermoplastic polymer in the world of electric cables. Known for its electrical and mechanical properties, it is a popular choice due to its durability and cost-effectiveness. PVC can be used for both insulation of Low Voltage (LV) electric cables and sheathing of all types of cables, both coming with advantages of their own. Depending on the application of the cable will determine the build of the cable. 

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Due to its versatility PVC cables are used for a wide range of applications including wiring in buildings, power distribution, electronics, and telecommunications. 

Key features and benefits of PVC:

1. Insulating Properties: PVC offers excellent LV insulation, ensuring the safety and reliability of electrical systems. It helps protect against electrical leakage and short circuits, which helps ensure the safe and smooth transmission of electricity.
2. Durability: PVC is resistant to abrasion, chemicals, oil, moisture, and weather conditions. This makes it ideal for use in indoor, outdoor, and harsher environments.
3. Flexibility: The flexibility of PVC allows for easy installation and handling during the installation process. This flexibility makes PVC cables easier to install in tight spaces and complex routes.
4. Versatility: Regarded as among the most adaptable among commonly used thermoplastics, PVC stands out for its easy modification of properties.
5. Wide range of applications:  PVC cables are suitable and used in a wide range of applications and industries, such as power transmission and distribution, construction wiring, and telecommunications.

PVC possesses inherent flame resistance, primarily due to its substantial chlorine content, constituting 57% by weight. In normal environments, PVC will not readily support combustion unless it contains elevated levels of flammable modifiers. 

In general, PVC cables stand out as a versatile and widely adopted option for diverse electrical and wiring applications. However, it is crucial to carefully evaluate the specific needs of your intended application and consider any relevant regulations or standards when choosing cables for a particular use.

Standards

BSI Standards: 

Among the pertinent BSI standards related to PVC cables are:

1. BS :This British Standard outlines the specific requirements for PVC-insulated cables up to and including 300/500 V, featuring copper conductors, designed for fixed installations in buildings and similar applications. It covers aspects of cable construction and performance.
2. BS : This standard establishes requirements for PVC-insulated and PVC-sheathed cables equipped with copper conductors, commonly employed for electricity supply purposes.

When dealing with PVC cables, strict adherence to relevant standards is paramount to guarantee the safety, quality, and optimal performance of the cables across diverse applications. These standards offer comprehensive guidelines encompassing critical factors such as conductor sizes, insulation materials, voltage ratings, and testing protocols. Conforming to these standards not only ensures compliance with regulatory requirements but also aligns with industry best practices.

It is important to note that standards can differ based on regional specifications and the intended application. Therefore, it is imperative to consult the relevant standard organisations and regulations specific to your location.

The IEC Standards :

Among the pertinent IEC standards related to PVC cables are:

1. IEC : This standard outlines the general requirements for insulated cables, encompassing PVC-insulated cables. It addresses various aspects of cable design, materials, and testing procedures.
2. IEC : Specifically focused on power cables with extruded insulation, this standard sets forth requirements and specifications for rated voltages ranging from 1 kV (1,000 volts) to 30 kV (30,000 volts). It includes provisions for PVC-insulated power cables only up to 1.8 kV/3 kV.
3. IEC : While not exclusive to PVC insulation, this standard defines the nominal cross-sectional areas for conductors utilized in various cable types, including those featuring PVC insulation.

These standards serve as essential guidelines, ensuring the reliability, safety, and quality of PVC cables within the realm of electrical and electronic technologies. It is crucial to consult the latest versions of these standards on the official IEC platform or authoritative sources to stay current with any revisions or updates.

PVC cables range

At Tratos Group, we specialise in the production and manufacturing of a diverse range of PVC cables tailored to various applications. Our manufacturing facility located at Knowsley site in Liverpool serves as the hub for crafting these high-quality cables. Among our extensive product line-up, some of our most sought-after and widely used PVC cables include:

Tratos SNE/CNE Split Concentric Cable, 0.6/1 KV &#; PVC SHEATH: These service cables are designed for low voltage use by Distribution Network Operators (DNOs) and Independent Distribution Network Operators (IDNOs), serving as the final connection to buildings. SNE cable is compliant with BS-3.21 standards & CNE is compliant with BS-3.11 These cables fall under the category of low voltage polymeric insulated cables, specifically tailored for the requirements of distribution and generation utilities.

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