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Capillary Action in Cables.

Has anyone any real life examples of this causing problems please?

https://www.lec-expert.com/topics/waterproof-led-lights--preventing-capillary-action-in-power-supply-cables


Z.
Parents

  • mapj1:

    its not new - its how the green rot spreads along wiring in cars.  However, only short lengths breathe significantly, and solid core cables not at all. If you really cannot manage it, then gel filled cable is the answer




    Yes Mike I understand that the problem is not a new one. But I was wondering about real life examples. I had an old Series 3 Land Rover years ago and its underfloor wires got wet and the copper strands turned black inside the insulation. The copper strands became externally non conductive and could not be mechanically cleaned or soldered. I had to renew them. Perhaps road salt didn't help.


    Z.

Reply

  • mapj1:

    its not new - its how the green rot spreads along wiring in cars.  However, only short lengths breathe significantly, and solid core cables not at all. If you really cannot manage it, then gel filled cable is the answer




    Yes Mike I understand that the problem is not a new one. But I was wondering about real life examples. I had an old Series 3 Land Rover years ago and its underfloor wires got wet and the copper strands turned black inside the insulation. The copper strands became externally non conductive and could not be mechanically cleaned or soldered. I had to renew them. Perhaps road salt didn't help.


    Z.

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