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Orange Alu Split Con

Martyn
Hi All, 


As per the title I need a 25m ish length of 25mm Orange Alu split con, cant seem to get it from the cable suppliers unless I order to be manufactured with crazy minimum order quantities.


Cant use standard Split con as it’s PVC and I need LSF for an escape route, cable forming part of a BNO replacing a degraded cotton service.


It’s only manufactured in 25 & 35mm apparently, could use either but prefer 25mm.


Anyone with a short length?


Cheers


Martyn
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  • 0

    although the neutral and earth are separate in the BNO network to comply with BS 7671



    Is it really a BS 7671 requirement? I thought BS 7671 permitted CNE/PEN conductors in some circumstances (section 543.4). AFAIK the old requirement for "authorization" (from a secretary of state for summat or other) disappeared with the old Electricity Supply Regulations - so there's no requirement for any authorization in the UK as far as I can tell. The new ESQCR simply has a blanket ban on combined conductors in consumers' installations of course - but a building network, by definition, isn't a consumer's installation.


    Don't get me wrong, I'm not the least in favour of CNEs inside buildings (I'm not that keen on them outside buildings either) - but I suspect it's more a matter of complying with the DNO's technical standards (which at long last are recognising some of the problems with diverted N currents) than BS 7671.


       - Andy.
Reply
  • 0

    although the neutral and earth are separate in the BNO network to comply with BS 7671



    Is it really a BS 7671 requirement? I thought BS 7671 permitted CNE/PEN conductors in some circumstances (section 543.4). AFAIK the old requirement for "authorization" (from a secretary of state for summat or other) disappeared with the old Electricity Supply Regulations - so there's no requirement for any authorization in the UK as far as I can tell. The new ESQCR simply has a blanket ban on combined conductors in consumers' installations of course - but a building network, by definition, isn't a consumer's installation.


    Don't get me wrong, I'm not the least in favour of CNEs inside buildings (I'm not that keen on them outside buildings either) - but I suspect it's more a matter of complying with the DNO's technical standards (which at long last are recognising some of the problems with diverted N currents) than BS 7671.


       - Andy.
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