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IT system

Has anyone worked on a three-phase IT system with a distributed neutral? I am just looking for examples of deployment.
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  • Thanks for that clarification - in my mind the lamps are acting as a sort of NER. There is, or at least once was at least one building on the Ardnamurchan peninsula that had that arrangement for single phase 220 ish volts,  but that was an ancient lister genset that had probably been wired in by chaps more used to fixing trawlers then houses. As last seen in the 1970s, I suspect it has been modernised in the intervening decades.


    As a side note Ancient Mariner was the handle of one of the regular contributors to the wiring forum in its previous place and something of the go-to man for electricity on all things water based, though he does not seem to have survived the transition, please understand that I'm not trying to be disparaging about ex navy  folk or anything.


    for amusement, he still has his website running
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  • Thanks for that clarification - in my mind the lamps are acting as a sort of NER. There is, or at least once was at least one building on the Ardnamurchan peninsula that had that arrangement for single phase 220 ish volts,  but that was an ancient lister genset that had probably been wired in by chaps more used to fixing trawlers then houses. As last seen in the 1970s, I suspect it has been modernised in the intervening decades.


    As a side note Ancient Mariner was the handle of one of the regular contributors to the wiring forum in its previous place and something of the go-to man for electricity on all things water based, though he does not seem to have survived the transition, please understand that I'm not trying to be disparaging about ex navy  folk or anything.


    for amusement, he still has his website running
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