How to Select Electrical Wire Insulation

Electricity is a boon that has not just helped in lightening up homes but also has doubled growth rate of several industries and thus giving a boost to overall economy of a nation. Many countries are struggling to find the best possible solutions to get maximum electrical supply to feed diverse industrial sectors. Nuclear power plants, Hydro power plants and Thermal power stations are being installed in many countries to generate electricity. But electricity has to be treated judiciously and carefully to avoid disasters. The instruments and appliances that are good conductors of electricity must be insulated appropriately.

Electrical Wires are shaped into thin metals that are insulated with thick covers such as plastic, so that these wires can be handled with hands with almost zero chance of electrical shocks.

Electrical wires carry current from electrical switches to several appliances in the house. Insulation is not just to prevent us from getting electrical shocks but also to protect wires from heat and moisture.

There are certain symbols by which we can easily make out that what material and coating is used for making electrical wire. One such symbol is THWN. THWN stands for Thermoplastic High Heat-resistant Nylon-coated. This abbreviation symbolizes material of insulation, temperature withstanding ability and conditions of using electrical wire. There are many more important things to be taken into account before selecting Electrical Wire insulation. Some of them are discussed below:

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• Material used: There are different types of metals used inside wires such as copper, aluminum or other metals to carry out easy flow of current. Metal should be good enough to withstand high voltage current.

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• Color Code: Electrical Wires are also identified according to their color codes. Black signifies neutral wire and green color is for underground wires. So before buying any electrical wire look out the right color.

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• Application: Electrical wires and cables should be used as per the application area. This would prevent electrical shocks and short circuits. Also, another significant point to consider is the thickness of the wire. Its thickness should be according to the current supply in that particular panel. Whereas plastic insulation material is good for dry area conditions, paper insulation material is best for underground wires.

With passage of time, the number of Electrical Wire Manufacturers and Suppliers is increasing tremendously but one should be very careful while purchasing Electrical Wire. People must approach authentic Manufacturers and Suppliers of Electrical Wires, so that they get the best deal.

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