Polyvinyl Chloride is what PVC in a PVC cable stands for. Generally, any electric wire that has a Polyvinyl Chloride jacket or insulation is referred to as a PVC cable. They are widely used because of their high chemical, water, and heat resistance while being extremely flexible and sturdy. However, there are a few more reasons that you &#; a property owner- should consider investing in PVC insulated cables. Scroll down to know more about PVC cable benefits:
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Unlike many other wires, a PVC cable is flexible and hence, easy to bend into any convenient shape. They can also be welded, which is why they are available in an array of sizes and pre-sizes shapes, too. Their light weight enables easy maintenance.
With the world becoming more conscious about environmental pollution, so have PVC cable manufacturers. These cables now have a low lead and heavy metal content, less hydrogen chloride and are non-toxic.
A major benefit of a PVC sheath is that it has the ability to extinguish sparks or flames. So, in essence, if the source of a fire has been dealt with, the PVC insulated cable will stop burning automatically.
PVC insulated cables have great dielectric strength, meaning they can sustain a high electric field before their insulating properties begin to diminish. This makes them resistant to extreme temperatures.
The company is the world’s best PVC Insulated Power Cable supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
Now that you know PVC cable benefits, we are sure it is something that you will consider. However, with competitive options like XLPE cables, we know it might be difficult to make a choice. We have written an article with the differences between these two wires; check it out here for more clarity.
If PVC cables are what you have decided to go with, it is essential to choose a reputed brand that is trusted by millions. But, which one?
&#; flexible
&#; small losses
&#; low relative permeability
&#; not absorb moisture from air or surrounding
&#; economical
There are different types of insulating material used in the distribution network, this part discuss the types of the insulation and the properties of each type
Synthetic plastic material
PVC (Polyvinyl Chloride): it is a type of thermoplastic insulator that most commonly used, normal working temperature is 70 degree
Advantages:
&#; cheap
&#; durable, can withstand temperature up to 130 degree based on PVC type
&#; widely available, used mainly in insulation of low voltage cables
Disadvantages:
&#; when burned it produces thick, toxic, black smoke which can be health hazard
&#; Not suitable for medium voltage and high voltage cables
&#; Melts
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So the field on the surface of the conductor in not distributed uniformly, semiconductor layer is used to decrease the effect of the electric field on insulation of the cable, where the first layer of semiconductor is places on the conductor and works on uniformly distribute the electric field on the conductor, and so prevent the interference of two fields with each other, the second layer is placed on the insulation and it works on making the voltage to be distributed gradually over the surface of the insulating material
Earth sheath:
It is a layer used to protect the components of the cable, it is made of lead in case of oil paper insulations cables, and made of copper in case of the XLPE insulation cables
Armouring:
For mechanical protection of the cable, decrease the stresses on the cable as the cable is buried underground, it is subjected to heavy weights or passing any heavy thing on the earth make a stress on the cable, Steel wire armour is mostly used in multicore phases, while Aluminum wire armour is used in single-core cables
Outer sheath:
It is the last layer on the cable used for overall protection of the cable from factors in the soil like the salts, acids and alkalis that may cause decay of the cable, mostly it is made from PVC, and data of the cable is printed on this layer
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