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TNCS 6mm main earth - EICR

Stewart Mason
Just wondering what peoples first thoughts are on a 6mm main earth. 0.27ze, TNCS. 80A 1361 main fuse.


Iv'e tried doing a search on here but it did not come up with any results. (Maybe user error!). I'm sure this subject would have come up before.


Thanks
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    I think that the D.N.O. has a say in minimum main protective conductor sizes. Does Table 54.7 apply? A common size is 16.0mm2 for main protective conductors at the intake position in homes and small offices/shops/flats etc.


    If 543.1.3 (applicable for disconnection times up to 5 seconds) is used, will the result still be approved by the D.N.O?


    Z.
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  • 0
    I think that the D.N.O. has a say in minimum main protective conductor sizes. Does Table 54.7 apply? A common size is 16.0mm2 for main protective conductors at the intake position in homes and small offices/shops/flats etc.


    If 543.1.3 (applicable for disconnection times up to 5 seconds) is used, will the result still be approved by the D.N.O?


    Z.
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