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Capillary Action in Cables.

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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.
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    1mm dia. seems a bit small to me - you'd likely get a pool of water inside the fitting as surface tension will almost certainly hold the water back against the small force of gravity - there being no water pressure behind it. I think the recommendation used to be for a drainage hole in conduits systems of at least 3mm - and I'm pretty sure MK recommend 5mm for their masterseal range.


      - Andy.
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  • 0
    1mm dia. seems a bit small to me - you'd likely get a pool of water inside the fitting as surface tension will almost certainly hold the water back against the small force of gravity - there being no water pressure behind it. I think the recommendation used to be for a drainage hole in conduits systems of at least 3mm - and I'm pretty sure MK recommend 5mm for their masterseal range.


      - Andy.
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