How to Use Heat Shrink Tubing

BY: Christina Hansen

Heat shrink tubing is one versatile product … not only does it provide your cables with protection against abrasion, chemicals and weather, it's also great for bundling, color-coding and strain relief. Insulating your cables with heat shrink tubing can be an easy do-it-yourself activity … if you know the tricks for proper shrinking! Just follow our helpful how-to guide for a smooth-running project with great results.

PROJECT CHECKLIST

Experience Level: Beginner

Time Required: 2-5 minutes per foot of heat shrink tubing

Steps: 7

Supplies: Heat shrink tubing; heat gun or heat shrink oven

Budget Estimate: Anywhere from $40-$2000, depending on the amount of heat shrink tubing used and your choice of heat tool

STEP 1

area prepped for installSelect the proper size of heat shrink tubing for your project. In order to get a secure fit, be sure that the tubing's recovered diameter (the diameter after shrinking) is smaller than the diameter of the area you're going to insulate. At the same time, the tubing's expanded diameter (the diameter before shrinking) needs to be large enough to easily fit over the area to be insulated, as well as any connectors attached to it.

STEP 2

Cut the heat shrink tubing to a usable length, and be sure to allow for a minimum 1/4" overlap over any existing insulation or connectors. Keep in mind that tubing also shrinks lengthwise…typically 5-7% during the shrinking process.

STEP 3

Slide the cut tubing over the object that you're covering; if you'll be splicing, slide the tubing over the center of the splice, and allow for equal overlap on both sides.

STEP 4

Before shrinking, check your tubing's specifications for the recommended heating temperature. Any commercial heat gun or heat shrink oven can be used to shrink the tubing. Since uncontrolled heat can cause uneven shrinkage, physical damage and insulation failure, the use of open flame is not recommended.

STEP 5

If you're covering a long length of cable with tubing, begin shrinking at one end, and gradually work your way down to the other. To ensure that the tubing shrinks evenly and without air bubbles, rotate the project as you're applying heat.

STEP 6

Evenly apply heat over the length and around the diameter of the tubing, until it is uniformly shrunken and conforms to the shape of the cable, hose, or splice that it's covering. Immediately remove the heat source, and allow the tubing to cool slowly before you apply physical stress to it.

STEP 7

Avoid overheating the heat shrink tubing, because it will become brittle and/or charred.

Tip! Silicone lubricant spray can be applied to wires or cords to guide heat shrink over them without compromising the heat shrink material.

 

©2018 CableOrganizer.com, LLC. This article may not be reproduced in part or in full without the written permission of CableOrganizer.com.

 

 

REVIEW SNAPSHOT®

by PowerReviews
How to Terminate with an RJ45 Connector
 
4.5

(based on 6 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to follow (3)
  • Informative (3)
  • Quality photos (3)
  • Well written (3)

Cons

No Cons

Best Uses

  • Educational (3)
  • Reference (3)
    • Reviewer Profile:
    • Casual reader (3)

Reviewed by 6 customers

Displaying reviews 1-6

Back to top

(3 of 5 customers found this review helpful)

 
5.0

Important wires

By 013gonzo

from belgrade Serbia

Verified Reviewer

Comments about How to Terminate with an RJ45 Connector:

For 100Mbits connections important wires are 1,2,3 and 6 and as a pair 1-2 and 3-6.
4,5,7 and 8 are not important but if wired pairs are 4-5 and 7-8

For cross cable connection ie two PC or Laptop and PC connect 1-2 on one side with 3-6 on the other, and 3-6 on first with 1-2 on the other end.

For 1GB connections ALL 8 wires must be paired.

(3 of 3 customers found this review helpful)

 
4.0

Lining up the wires

By fred3

from Ilwaco, WA

Comments about How to Terminate with an RJ45 Connector:

For some reason, I have a harder time lining up the wires for an EZ RJ45 than for a typical dead-ended RJ45. But, either way, is there a secret to lining them up and having them stay in order during assembly?

(12 of 13 customers found this review helpful)

 
4.0

Strain relief?

By Would-be cablemonkey

from Vancouver, wa

About Me Casual Reader

Verified Reviewer

Comments about How to Terminate with an RJ45 Connector:

Many kinds of mod tips (RJ-45) can also utilize a strain relief, a little piece of plastic that is crimped onto the wire directly behind/underneath the rear (cable-side) of the tip. Look at a commercial, machine-made patch cord for an example.

Strain reliefs may not be necessary in static, immovable, install-once cables, but if you are making a custom-length patch cord, it can't hurt.

(7 of 8 customers found this review helpful)

 
4.0

Information is correct

By Powerup777

from Arlington, TX

About Me Casual Reader

Verified Reviewer

Pros

  • Correct Wiring Depicted
  • Easy To Follow
  • Informative
  • Quality Photos
  • Well Written

Cons

    Best Uses

    • Educational
    • Reference

    Comments about How to Terminate with an RJ45 Connector:

    Most RJ45 connectors have wire stops, you don't have to cut the wire ends. I rarely see the color wires shown in the photo, normally they're faded or some variation. Correct information though- passed reflectometer test using Fluke Networks Microscanner 2

    (9 of 11 customers found this review helpful)

     
    5.0

    Terminate with an RJ45

    By Will

    from Bowie, Md

    About Me Casual Reader

    Pros

    • Easy To Follow
    • Informative
    • Quality Photos
    • Well Written

    Cons

      Best Uses

      • Educational
      • Reference
      • Staying Informed

      Comments about How to Terminate with an RJ45 Connector:

      This was a good refresher. I had not Terminated a jack in several years.

      Thanks!

      (16 of 16 customers found this review helpful)

       
      5.0

      Clear Concise instructions.

      By al

      from calgary, alberta, canada

      About Me Rarely Read

      Pros

      • Easy To Follow
      • Informative
      • Quality Photos
      • Well Written
      • Worth printing in color

      Cons

        Best Uses

        • Educational
        • Reference

        Comments about How to Terminate with an RJ45 Connector:

        The instructions are adaptable and I shall use them with the crimper that I bought.

        Displaying reviews 1-6

        Back to top