submain

  1. G

    Best practice for submain circuit protection

    I am currently changing an old consumer unit for a new RCD protected split board. One of the circuits is a 6mm submain circuit protected by a 32A MCB that exits the house, crosses the court yard via a catenary wire, and enters the garage 4 way RCD protected board. Is it ok to put this circuit...
  2. A

    Testing for ze on a submain cable?

    hello chaps i'm going to be doing some final live tests in a block of flats were doing at the mo on monday and was trying to remember what earth cable to test on for Ze in the flats consumer unit. The flats are fed by a 16mm t+e submain with an additional 16mm earth run along with it. now do i...
  3. T

    PUB... Cooker Circuit ?

    Well, its not actual a cooker circuit but didnt know how to title it. Its a circuit to a long plate warmer thing.. being used for a sunday carvery. Its 6.3 kw There is a Submain in the pub kitchen, with few sockets, lights and extractor. it looks like the submain is fed by 10mm swa, 125a...
  4. S

    Submain

    Hi there, just after a little advice. I have been asked to replace just the kitchen ring in a flat in a converted hotel. The problem is that each of the 12 flats is supplied from a distribution room 2 floors below. My initial thought was to run a submain in25mm SWA to a 17th Ed CCU via a DP...

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