PVC Cables: Oldest and Strongest Cables For All Purpose

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Polyvinyl Chloride or PVC cables have been in use since 1950s and is the oldest in the cabling and wiring domain. The unique feature of PVC cables which sets it apart from the rest is that it is insulated and covered by a thermoplastic, which makes it quite flexible and compatible in difficult conditions and supports most of the mechanical and electrical production units.

These are considered in a number of applications from fixed wiring to flexible installations. Another interesting feature is that these are available in several colours and sizes and are also made up of different conductors, as per requirements. You need to consult the leading Wires and Cables Manufacturers for your project and select the colour and size as per the requirement.

Types of PVCs

PVC cables are distinctly known for their insulation properties and hence are compared with XLPEs, which means a fair comparison exists between a thermoplastic and a thermoset material. The thermoset versions of PVCs are cross-linked with electron beam technology and are expensive, which makes them suitable for applications in defense and automotive industries. Now, the most commonly used PVCs which are considered in the different industrial units can be summarized as below:

  • Twin & Earth cable (624Y) -Mains electricity wiring.
  • Tri-rated cable – These comply with the CSA and British Standards and are considered for switchgear and panel wires.
  • 2491X cable (H05V-K / H07V-K) -Panel wires.
  • 218Y cable (H03VV-F) – Domestic and commercial power supply.
  • 318A cable (Arctic grade) – Power, lighting and internal wiring cable, AC and DC telecommunications applications

Benefits of PVCs

Since the 1950s PVCs have begun to replace the rubber insulated and sheathed cables in the domestic wiring of households due to the easy processing method and also the benefits of durability and flexibility. It is also cost-effective and has a service life of 25 to 30 years. The benefits can be summarized as below:

Even though PVCs are rigid and hard, they can be modified as per requirement with the help of plasticizers, stabilizers, lubricants and fillers which help in enhancing and modifying its physical and chemical properties. It is considered as one of the most versatile thermoplastic which is also easily recyclable!

The most important property that is looked for is that of being flame and shock retardant, especially when used in electric cables. PVCs can be made resistant to a wide range of chemicals including oils, acids and alkalis, which make it durable and resistant to abrasion. The various additives if added can improve its temperature range, a great leap from about -40 to 105°C, and also provide the resistance to sunlight, reduced smoke emission and improved water resistance.

It’s physical and chemical properties make it suitable for applications where the cables are exposed to extreme high or low temperatures like use of arctic-grade PVC or where protection against UV light is required to avoid degradation. Insulated PVCs are widely used owing to its good insulating properties and low corona resistance, and is suitable for low to medium voltage cables and low frequency insulation environment.

Consult the best dealers and manufacturers of PVC cables and XLPE Power Cables for the installation process, usage and precautions and after sales service. Remember, these involve the risk and danger of electricity, so consult the trained team of mechanical experts from the leading manufacturers only.

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