How to use heat shrink tubing on wires

how to use heat shrink tubing on wires

How to Use Heat Shrink Tubing

Oct 04,  · MrJustDIY On How To Use Heat Shrink Tubing On Wires. Apr 19,  · In this video our DIY expert will answer questions sent by you directly from our website. Today he is using the Amtech Heat Shrink Assortment (Stock Code: S6.

Very easy. Time Required. Use this guide to learn how to use heat shrink tubing to jeat frayed sheathing on a wire or cable. Measure the diameter of the wire, and then choose a piece of heat shrink that will be large enough to what are the benefits of job analysis onto the wire before heating but will still provide a snug fit once heated.

The shrunken diameter should be slightly smaller than the wire's diameter to ensure a tight fit. Heat shrink tubing has a shrink ratio that dictates how much the tubing will shrink once heated, so it's important to choose the right ratio for the job.

For example, a length of ratio tuving with a diameter of ehat mm will shrink to a diameter of 1 mm. Measure a length of heat shrink tubing that is slightly longer than the damaged section of wire. Keep the heat gun moving back and forth along the length of tubing, as staying in one place can damage the wire even further. Cancel: I did not complete this guide. Badges: Hold the iron close to, but not touching the tubinb. You may have to apply shrijk to multiple sides of the wrap, as the convection may not evenly reach all wures of the wrap.

Not a great solution, but works if no better sources are available. If you let the flame touch the wrap, you can end up with soot depsoited on it.

Soot will wipe off easily, but it is easy to burn the whrink and wire, even setting the insulation on fire, if you are careless and let the flame sit too long in one spot or for too long. Any suggestions? You may have to cut off one of those connections and replace it with a new one after adding heat shrink to the wires. Fix Your Stuff. Difficulty Very easy. Steps 5. Time Required 2 - 5 minutes.

Sections 1. How to Use Heat Shrink Tubing 5 steps. Flags 0. Introduction Use this guide to learn how to use heat shrink tubing to repair frayed sheathing on a wire or cable. Add a comment. Add Comment Cancel. Step 2. Step 3. Step 4. Step 5. One comment. Almost done! Finish Line. You're Finished! Author with 1 other contributor. Freya Wilson You may have to cut off one wirds those connections and replace it with a new one after adding heat shrink to the wires.

Single Step Full Guide. Small - px Medium - px Large - px. View Statistics:.

Introduction

Step 1 How to Use Heat Shrink Tubing. Measure the diameter of the wire, and then choose a piece of heat shrink that will be large enough to slide onto the wire before heating but will still provide a snug fit once heated. The shrunken diameter should be slightly smaller than the wire's diameter to ensure a tight fit. You have to find the balance between holding the flame close enough to provide enough heat without igniting the tubing and causing damage to your wires and much more if the fire spreads. Flame options for heat shrinking plastic include candles and matches, or butane lighter, many of which may need to be used in succession to reach your goal. Even a torch, such as the kind used for cooking or for .

Heat shrink tubing is a form of plastic tubing that contracts or shrinks in size when the heat is applied to it. It's most common application is in electrical wiring, where the plastic tubes are shrunk down to fit around exposed wires. They provide insulation and abrasion resistance, and they are even used to bundle wires when necessary.

Heat shrink tubing is also an economical and effective way to protect wire splices and bare wires. Heat shrink tubing comes in a variety of colors, flexibility levels, and temperature sensitivities for different applications, ranging from military and sensitive electrical applications to more common ones. All heat shrink tubes are manufactured and stretched to a certain diameter. Interestingly enough, the "shrinking" process actually restores the tubing to its original size, as the stretching process is the actual alteration.

Make sure the diameter you are using is the correct diameter for your wiring. It's usually stamped on the tubing or the package as a ratio, which indicates the stretched size first and the shrinking size second. For instance, a diameter means the tube will shrink to half the size of its current diameter. Other common sizes include , , , and Regardless of the application or size, all heat shrink tubing needs one thing to operate properly: heat.

It's important to realize that heat sources that may be used in one setting may cause a fire or explosion in another.

For example, heat sources that employ an open flame, such as candles or matches, will work to shrink the tubing, but they may also char or burn through the tubing. Be sure to read thoroughly before attempting to heat your tubes. Electrical tools that blow hot air are a safe and effective way to provide indirect heat to any tubing.

Such tools include heat guns , such as the ones used for stripping paint, or even household blow dryers that are used on your hair. Note that the blow dryers may not always shrink the tubing, as the plastic must get very hot to actually shrink. Not all blow dryers are able to achieve such high temperatures. While an open flame held near the plastic will certainly get hot enough to cause a reaction in the heat shrink tubing, it's also a risky approach.

You have to find the balance between holding the flame close enough to provide enough heat without igniting the tubing and causing damage to your wires and much more if the fire spreads.

Flame options for heat shrinking plastic include candles and matches, or butane lighter, many of which may need to be used in succession to reach your goal. Even a torch, such as the kind used for cooking or for soldering, can work. While a light bulb certainly isn't the best alternative, if you're in a pinch and don't have access to any of the other tools, holding your piece of wiring close enough to a hot light bulb can provide the sufficient heat to shrink your tubing.

Similarly, if your splice can be safely placed in an oven, that's another feasible, albeit unorthodox, way to heat your tubing. Putting your wire in the oven at too high a temperature or leaving it in for too long will melt or burn it.

We welcome your comments and suggestions. All information is provided "AS IS. All rights reserved. You may freely link to this site, and use it for non-commercial use subject to our terms of use. View our Privacy Policy here. Toggle navigation subscribe. Heating Your Heat Shrink Tubing. Written by Rebecca Becky Blanton. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience.

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