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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Old 4 core SWR cable
Just curious- I dug up and I am re-using some old 4 core steel wire reinforced cable. The core colours are red, black, blue and yellow, IIRC. What I'm puzzled by is a small diameter white tube that runs within the SWR, which appears to contain a fibrous, non metallic material.
What might the fibres in the white tube be and for what purpose? They don't quite look like fibre optic material, but that's all I can think of. Cheers. Terry. |
#2
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Old 4 core SWR cable
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#3
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Old 4 core SWR cable
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#4
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Old 4 core SWR cable
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#6
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Old 4 core SWR cable
Originally they are a kind of strengthening from thestuff being bent too
much is what I was told. One used to find it also in some long audio cables. It was often spiralled around or ran straight through the middle as I recall. Brian -- ----- - This newsgroup posting comes to you directly from... The Sofa of Brian Gaff... Blind user, so no pictures please! wrote in message ... Just curious- I dug up and I am re-using some old 4 core steel wire reinforced cable. The core colours are red, black, blue and yellow, IIRC. What I'm puzzled by is a small diameter white tube that runs within the SWR, which appears to contain a fibrous, non metallic material. What might the fibres in the white tube be and for what purpose? They don't quite look like fibre optic material, but that's all I can think of. Cheers. Terry. |
#7
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Old 4 core SWR cable
On 26/04/2017 18:23, ARW wrote:
On 26/04/2017 16:51, Bob Minchin wrote: wrote: Just curious- I dug up and I am re-using some old 4 core steel wire reinforced cable. The core colours are red, black, blue and yellow, IIRC. What I'm puzzled by is a small diameter white tube that runs within the SWR, which appears to contain a fibrous, non metallic material. What might the fibres in the white tube be and for what purpose? They don't quite look like fibre optic material, but that's all I can think of. Cheers. Terry. It is used during manufacture and has no function in the finished product. +1 If it is XLP, don't attempt to bend the cores when the temp is below 5 centigrade, which it seems to be in Scotland at the moment. |
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