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Twin and Earth cabling

courtney blythe

Hi,

I'm using twin and earth cables for a office building refurb. In the BS 7671 regs i can only see cable current carrying capacities for these cables in thermal ceilings and walls, this will not be the structure for the office building internally. How can i size the twin and earth cables?  I.e are there alternative tables?  I hope you can answer soon.

Regards

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  • 0

    What will the installation method be?

  • 0 in reply to Chris Pearson

    Hi,

    Installing sockets, fan coils units in on ceilings, luminaires, and various spurs. The project is for an office, 3 floors of a building. Installing cables on tray. I'm a consultant so wasn't show these days how the cables will be installed in the walls, but i guess they'll be attached to the inner structure somehow, i doubt it will be it conduit.

  • 0 in reply to courtney blythe

    I was thinking of Table 4A2.

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