Heat Shrink question

Ern Dog
Ern Dog Posts: 2,237
edited December 2010 in Basic Hookup/Wiring Questions
I'm adding new copper banana plugs to my home-made PNF jumper cables and want to finish it with heat shrinking. This will give it cleaner look and protection. I've never used it before and was unsure about what size to buy. Does the actual length of the tube shrink or just the diameter or both?
Post edited by Ern Dog on
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  • jinjuku
    jinjuku Posts: 1,523
    edited December 2010
    Ern Dog wrote: »
    I'm adding new copper banana plugs to my jumper cables and want to finish it with heat shrinking. I've never used it before and was unsure about what size to buy. Does the actual length of the tube shrink or just the diameter or both?

    Get a multi-pack from Radio Shack. It's nice to have a variety of diameters on hand.

    You will only need a few inches in length.
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  • ohskigod
    ohskigod Posts: 6,505
    edited December 2010
    in my experience, the diameter shrinks, not the length.

    never used it in home audio aplications, but have used it for putting actuve preamps in a couple of my basses. pretty easy to use and shrinks quite a bit. I am sure it's possible to use a piece to wide, but it is hard to. I never had that problem and usually judged what size to use by eye and never had a problem.
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  • TECHNOKID
    TECHNOKID Posts: 4,298
    edited December 2010
    Actually, it shrinks both ways (diameter and lenghtwise). When cutting your pieces, just make sure it overflows on the protected area of the wire and you will not have any problems.
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  • jimmydep
    jimmydep Posts: 1,305
    edited December 2010
    How much do you need? I have some extra 1/2" 3 to 1 adhesive red and black shrink tube.

    Jimmy
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  • Ern Dog
    Ern Dog Posts: 2,237
    edited December 2010
    Thanks Jimmy. However I need some thicker tubing to fit over the cables.

    Thanks for you help gents. Should be a fun project. I'll take pics when they're done.
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  • jinjuku
    jinjuku Posts: 1,523
    edited December 2010
    TECHNOKID wrote: »
    Actually, it shrinks both ways (diameter and lenghtwise). When cutting your pieces, just make sure it overflows on the protected area of the wire and you will not have any problems.

    Not sure what heatshrink tubing your using, but it shrinks on the diameter.
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