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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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    In relation to the OP, 4D2A was there long before 4D5. 

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    In relation to the OP, 4D2A was there long before 4D5. 

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