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Please it is VRI.
Discuss Old DNO supply in the UK Electrical Forum area at ElectriciansForums.net
Even VIR.Please it is VRI.
Over head supply.?
Even VIR.
Its Vulcanised Indian rubber to my KnowledgeVulcanised Rubber Insulation not Vulcanised Insulated Rubber. Tis the rubber which is Vulcanised as insulation.
Its Vulcanised Indian rubber to my Knowledge
Yes this is one term which is incorrect, sometimes referred to as cab tyre. The rubber is vulcanised and used as insulation therefore it is vulcanised rubber insulation, VRI.This is how I know it....
Me too in the 70'sI've always known it as VIR.
I replaced miles of it in the late 60's with PVC singles.
If you google VIR / VRI it comes up about 50 /50.
With a few people insisting it's VRI.
I suspect VRI was the original (sounds a better description) and probably Trademarked or Copyrighted by the first manufacturer.
Then all following manufacturers had to use VIR as the description.
However VIR / VRI refers to singles.
TRS is probably the correct title for VRI /VRI singles within a Rubber sheath.
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