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Re Power Clusters

Former Community Member
Former Community Member
Hi there,

Was wondering how to go about putting this together and has to whether there are better ideas.Basically trying to interconnect on different floors with one power cluster to another and at present coming into the first power cluster on the ground floor there are 5 cables each i assume of 25mm2 cables labelled (L1,L2,L3,N & E) now when these are hardwired into the first power cluster would they connect to the RCD of each of the sockets for (110v,230v and 400v) and then these goto power the breakers of the sockets.And to move onto the next Power Cluster on the first floor is a suitable sized cable then connected from the RCD of the first power cluster on the ground floor to the next power cluster on the first floor?.Please help/clarify?.Also to power up a distribution box on the ground floor for the 230v lighting circuit and the office sockets can a 16mm2 cable be hardwired from the ground floor cluster units 32A MCB for 230v socket protection for the power cluster unit.to the distribution unit contained within the office?.Please Clarify?Jimmy
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  • Former Community Member
    0 Former Community Member
    Hi Chris,

    I've sort of done that loop from one to another but I've worked out that the Welding units in total at anyone time will be in use will be 4 so they generate in total 64kW so i worked out that current calculation for 400v would be in region of 92Amps so I've decided to go for between 25 and 35mm2 Cable when looping between clusters now on looping would you connect to each RCD of the 400v supply of each Power cluster?.Jimmy
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  • Former Community Member
    0 Former Community Member
    Hi Chris,

    I've sort of done that loop from one to another but I've worked out that the Welding units in total at anyone time will be in use will be 4 so they generate in total 64kW so i worked out that current calculation for 400v would be in region of 92Amps so I've decided to go for between 25 and 35mm2 Cable when looping between clusters now on looping would you connect to each RCD of the 400v supply of each Power cluster?.Jimmy
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