How To Choose Right Heat Shrink Tubes?

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imagesLooking for efficient heat shrink tubes, to lend greater protection to the electrical wires and cables at home? Given below are the factors that you need to keep under consideration, while making a purchase.

Electrical wires and cables can get damaged over time. They can melt, and/or their efficiency might get adversely affected, when exposed to high temperature levels. This is exactly where the importance of heat shrink tubing comes into the picture. What are the factors you need to consider, while choosing heat shrink tubings? Let’s take a look:

 

  • The diameter – The diameter of the tube should be such that, they can be easily slipped on the wires and cables at your home. Never try to forcefully fit the tubing on any electrical wire. If required, get the diameter of the household cables checked by a qualified electrician.
  • The heat shrink ratio – Generally, tubings with 25% to 50% shrink ratios are used for domestic purposes. Check this information, before buying them.
  • Choose tubes of sufficient length – The tubes shrink in length, when heat is applied on them. The heat shrink tubing you buy should be around 20% longer than the length of the wire they are meant to protect.
  • The heat-resistance level– Before buying any heat shrink tubing; get information on the heat resistance capacities of the different varieties. Consult your electrician too, to get an idea about the approximate heat levels, which the different wires and electrical circuits would be exposed to. This will help you in buying just the right set of tubes for your home.
  • Have proper knowledge about all the functions of heat shrink tubing – Apart from keeping wires and cables safe from high temperature levels, heat shrink tubing also helps to keep them protected from acids, moisture and other external pollutants. They can also be used to arrange the wires according to different color schemes. You should know about all the utilities of heat shrink tubing, to use them in an optimal manner.
  • The material – Plastic is generally the chosen material for heat shrink tubing, among customers all over the world. Polyolefin and nylon are the other tubing material that is rapidly gaining in popularity. Make sure that the tubing you choose is made of a material that is fire-resistant, rust-free and durable.
  • Consider the condition of the heat shrink tubing – Make sure that the cap and/or the neck region of the tubes are not defective, or damaged in any way. The seal should be intact, and you should also inquire about how the tubing should be opened, and the wire(s) fitted in them.
  • The installation procedure – Check the instruction manual carefully, to find out the correct procedure for installing the tubings. Get it done by a professional electrician, if required.

 

Monitor the physical condition of the tubings regularly, and go for replacements/repairs whenever necessary. Choose the right type of heat shrink tubing, and enhance the overall longevity of the electrical cables at your home.

 

 

Author’s Bio: David Harris is an electrical safety consultant. He regularly contributes informative articles on best printing services in USA and safety tools and techniques for home and office, in leading magazines and journals. In this piece, he discusses a few factors that should be checked, while buying heat shrink tubing for better wire protection.

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