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Wire termination sequence numbering

Sailbadthesinner
I'm upgrading a load of circuits from MCBs to RCBOs and as expected most of the distribution boards have singles that are randomly terminated on the bus bars so finding the appropriate N is a pain.

I know I've read a requirement for Neutrals and CPCs to be terminated in the appropriate sequence on their buss bars to match the circuit identification sequence but I can't find where.


Any one know where it is referred to?  closest I've got is 514.1.2 but I think it might have been more explicitly stated in a GN. 


Thanks in advance
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  • Former Community Member
    0 Former Community Member

    Sailbadthesinner:

    I'm upgrading a load of circuits from MCBs to RCBOs and as expected most of the distribution boards have singles that are randomly terminated on the bus bars so finding the appropriate N is a pain.

    I know I've read a requirement for Neutrals and CPCs to be terminated in the appropriate sequence on their buss bars to match the circuit identification sequence but I can't find where.


    Any one know where it is referred to?  closest I've got is 514.1.2 but I think it might have been more explicitly stated in a GN. 


    Thanks in advance




    Hi sailbad, when upgrading to RCBOs isn't it quite straightforward to put the neutral tail of the RCBO into the relevant numbered terminal of the DB? 

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  • Former Community Member
    0 Former Community Member

    Sailbadthesinner:

    I'm upgrading a load of circuits from MCBs to RCBOs and as expected most of the distribution boards have singles that are randomly terminated on the bus bars so finding the appropriate N is a pain.

    I know I've read a requirement for Neutrals and CPCs to be terminated in the appropriate sequence on their buss bars to match the circuit identification sequence but I can't find where.


    Any one know where it is referred to?  closest I've got is 514.1.2 but I think it might have been more explicitly stated in a GN. 


    Thanks in advance




    Hi sailbad, when upgrading to RCBOs isn't it quite straightforward to put the neutral tail of the RCBO into the relevant numbered terminal of the DB? 

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