Industry News

Guides to Purchase The Cable THHN 12 AWG

Published by Author: Joey Wan November 19,2021

If you are buyer and planning to purchase the cable thhn 12 awg, where are you going to start your purchase plan? Maybe firstly you will think about the brand Romex which belongs to Southwire located in USA, the quality can be promised, however the price also too highly, in that time, considering the other manufacturer is a useful and profitable thing you can do, now the cable thhn has been more and more common used and popular in many countries, the many wire and cable manufacturer are improving their ability to manufacture the cable thhn including the cable thhn 12 awg.

 

Introduce to THHN cable

THHN is a heat resistant thermoplastic insulated conductor, usually a single conductor and compared to the PVC cable, THHN has been more and more common used and popular in many countries, such as The Philippines, Australia, Peru and other South American countries.

THHN cable has better electrical and physical properties than ordinary PVC insulated wire and cable: nylon sheathed wire and cable has better heat resistance, the characteristics of small weight loss under high temperature operation, can improve the instantaneous thermal overload resistance of wire, can slow down or reduce the escape or migration of PVC components. THHN cable has the characteristics of corrosion resistance, self-lubrication and oil resistance. Compared with PVC insulated wire and cable of the same section, THN cable has the characteristics of small outer diameter, light weight, small static friction coefficient and corrosion resistance, which can improve the safety and applicability of laying. THHN cable rated operating voltage 450/750V, widely used in household appliances, aerospace systems, construction and lighting.  The long-term working temperature of the cable is 90℃ or 75℃, the laying temperature is not less than 0℃, and the bending radius should not be less than 4 times of the cable diameter. 

Common used cable THHN

As one of most commonly used cable to wiring most of residential structures, the THHN cable outermost sheath denotes the gauge of the wire inside:

White - 14AWG cable thhn cable

Yellow - 12AWG cable thhn cable

Orange - 10AWG cable thhn cable

Black - 6 and 8AWG cable thhn cable

Maybe you will be curious about the ruled colors of each specification, i admit that i have no any idea about the meaning of inside, if you are really curious, you can google a lot, maybe you will get the answer you want. Perhaps someone don’t know the what the awg really means, i can explain for you a lot. Awg is American standard of wire and cable, the bigger awg is , more cable can be passed into a specific hole, eventually that cable has smaller diameter, such as the diameter of 12 awg is smaller than 14 awg.   

Of course there are other cable thhn specifications, but here we don’t plan to talk about it too much. Before you purchasing the cable thhn cable 12 awg, make sure that your project need that specification indeed, otherwise you need change, that will cause so many trouble to you, especially if you are going to purchase from China and other countries, the long distance means the not cheap shipping expense, however for a good buyer, to avoid those errors can be the most core ability in the whole purchase process.

THHN cable can be used in conduit

Many buyer couldn't know if the THHN cable is suitable to used in conduit or not, in that time, learn to command some basic performance of THHN cable can help your project a lot. If you are planning to buy the thhn cable 12 awg for your project now, you need know that the cable can be used in conduit, thhn cable is designed for this condition in some way, it can be resistant to the dry and wet environment and thhn cable has other good performance, however you still need avoiding to use the THHN Cable include the 12 awg in the extremely humid condition,such as you shouldn't bury the thhn cable into the ground directly, because the sheath and insulation materials of THHN cable don't have the ability to tolerate such badly environment outside, no accident, in case you bury the thhn cable into soil without any conduit or other protection measure, the thhn cable will be damaged within 6 months and we know that the thhn cable is designed for being used normally at least 10 years.

 

THHN cable manufacturer in China

There are so many tips about how to find a better THHN Cable include the most common purchased thhn cable 12 awg in China, i choose some useful and simple tips to be shared here. Certification and service team is the initial impression your supplier would show in the whole business negotiation. Certification prove that your supplier is qualified to provide the thhn cable to any customers, for manufacturer dedicated to export their products to overseas in China, the certification is the most basic require. A strong service team can help you complete the deal between you and your supplier more smoothly. Then you can verify that your supplier has the experiences about exporting their cable thnn 12 awg to the country or region you are in. Above tips i referred are applicable, now many manufacturer in China have it’s own site in Google, they also are struggling to be known and admitted by more and more customers from many countries. Many supplier or manufacturer in China has the ability to provide the high quality and reasonable price thhn cable, including the thhn cable 12 awg yellow outer insulation. The cable thhn 12 awg manufactured by JZD Wire&Cable has been liked by many purchaser in many countries, especially the Philippines customers have been content to our products and services, benefit from our development and production advantages, now we are going to promote our cable Thhn 12 awg and other awg cable to the whole Spanish countries, of course we have some other good products, such as the solar cable, H05VV-F cable and silicone cable and so on, please don't hesitate to contact us for more information about those good quality products.

 

Extension Information

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