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Old 15th August 2012, 12:21 AM   #1
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Default How to remove wire insulation?

My denon headphones has a broken wire at the top of the plug. I cut it open and the left/right wire are covered in some sort of "tin" that makes solder hard to stick to it.

Any suggestions to my problem? Thanks. ☺☺☺
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Old 15th August 2012, 01:58 AM   #2
tvrgeek is offline tvrgeek  United States
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flux
Are you sure the wire is not aluminum?
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Old 15th August 2012, 03:00 AM   #3
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It's copper underneath if I try very hard scraping it off. The "tin" is colored metallic blue for left channel and metallic red for right.
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Old 16th August 2012, 03:26 PM   #4
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Sounds like it's enamelled copper, only way to remove it is by scraping it off.
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Old 16th August 2012, 11:06 PM   #5
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On most enameled wire it is removed by using solder. The heat causes the insulation to burn or melt off. Get a blob of molten solder on your iron and hold the end of the wire in the molten blob. After several seconds the insulation will be gone and the wire tinned.

paul
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Old 16th August 2012, 11:24 PM   #6
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If it is copper wire with a kind of "shine-through" lacquer on it that would be enameled wire. In other words: wire with a thin but very sturdy lacquer. BTW it is a surprise every time to see native english speakers express so non precise. Please rephrase it to make things really clear.

If it is enameled wire :scrape the enamel off all around the wire and pre-tin the wire,then solder it to the connector. Simplest way would be scraping it off with a knife as the material is hard but brittle. It will not disappear easily with solder. You will have to have a clean copper surface for good soldering and a good connection.

A tin ?!
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Last edited by jean-paul; 16th August 2012 at 11:32 PM.
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