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Hello can anyone tell me whether white PVC twin and earth is still allowed to be used. I knw it was made obsolete in 2008 but was just unsure if it is acceptable to use and also to get the job certified. Cheers in advance
 
The insulation should be brown (line) and blue (neutral).
The colour of the sheath doesn't make a blind bit of difference, although manufacturers tend to use a white sheath to denote LS0H, and a grey sheath for PVC.
 
The colour of the sheath is irrelevant. If the conductors are red and black and it was installed recently then I'd say they should probably be sleeved blue and brown in order to conform.
 
Don't think the question of old colours came up in the OP's query!! As for white sheaths now being classified as LSF, i think that ALL cables insulation and sheaths should be LSF, it's got to make perfectly good sense. I know that all the cables on my projects over the last 20 years or so, certainly have been....
 
and it's a tw*t to strip.

a couple of years ago we started a install around this time of year, all LSF. Second fix was January + Febuary. I have never hated my job as much as stripping this cable in sub zero temps! Must have smacked myself with my snips well over 10 times with them slipping off! And then to top it all off i bought a new car and the reg plates last 3 letters were LSF!
 
a couple of years ago we started a install around this time of year, all LSF. Second fix was January + Febuary. I have never hated my job as much as stripping this cable in sub zero temps! Must have smacked myself with my snips well over 10 times with them slipping off! And then to top it all off i bought a new car and the reg plates last 3 letters were LSF!


All PVC insulation and sheathed cables would be the same in very low tempretures...
Unfortunately it's just one of PVC's drawbacks, it don't like being very cold and below 0c it shouldn't really be worked on!! lol!!
 

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