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Connecting up Sockets in either office or home

Former Community Member
Former Community Member
Hi All,

Was wondering best way to connect power to new set of 6 13A Double Sockets would it be best to use 63A RCD and 32A MCB with 2.5mm2 cable coming from MCB to the sockets I guess would you need 2 32A MCB's to have 3 sockets connected at any one time?.Then connect 16mm2 cable from the Main Power Source to the 63A RCD.The Power source consisting of 2x 4KVa Transformers and industrial sockets 110v,230v & 400v so Welders can work on the different floor levels (ie 2 Floors & Office on Ground).Also for lighting I assume its the same set up but with 6A MCB and 1.5mm2 Cable coming from the MCB.Jimmy
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    Probably out of sequence now, but another message from Jimmy -

     
    I believe the size of the cables (L1,L2,L2,N,E) where of a overall size of M12.If this helps

    Making a few guesses - such as if they're single core sheathed H07 flexible types - 12mm diameter would put them at around 16mm² (11.35mm according to Elland) or 25mm² (13.3mm dia) - although they'll be a bit of variation around those figures both by manufacturer and manufacturing tolerances. But far better to check what's upstream of them - there's always the possibility that they weren't correctly selected in the first place (or might not have their full rating available).

       - Andy.
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  • 0
    Probably out of sequence now, but another message from Jimmy -

     
    I believe the size of the cables (L1,L2,L2,N,E) where of a overall size of M12.If this helps

    Making a few guesses - such as if they're single core sheathed H07 flexible types - 12mm diameter would put them at around 16mm² (11.35mm according to Elland) or 25mm² (13.3mm dia) - although they'll be a bit of variation around those figures both by manufacturer and manufacturing tolerances. But far better to check what's upstream of them - there's always the possibility that they weren't correctly selected in the first place (or might not have their full rating available).

       - Andy.
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