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Adding EV charge point to garage supply

Former Community Member
Former Community Member
Hi all, 

I need to replace the old fuse box in the garage with a CU and at the same time install a load balancing a fast charge outlet for electric vehicle.

Current installation has a sub panel in the house (40A) with type B MCBs: 20A for kitchen sockets and 32A for the garage supply. Main board is double RCD 80A, and DNO fuse is 100A.

10mm armoured cable underground to garage, approx 15m.

Plan is to move the kitchen sockets on to the main board (there is a spare), replace the adjacent garage sub panel for a 63A RCD panel with a 63A MCB, and replace the old fuse box in the garage with similar panel but with a 6A, a 16A and two 40A (one for the EV and one for the office that runs off this fuse box).


Does that work, or have I missed anything?


Thanks | Paul.
Parents
  • 0
    It looks like you are off to a good start and can forget about the issues of using a TNCS earthing system as it looks like TT.


    Hopefully you have an appropriate upfront RCD and earth rod, however you don’t want casual connections to the TNCS through shared metal gas and water pipes from neighbouring homes.
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  • 0
    It looks like you are off to a good start and can forget about the issues of using a TNCS earthing system as it looks like TT.


    Hopefully you have an appropriate upfront RCD and earth rod, however you don’t want casual connections to the TNCS through shared metal gas and water pipes from neighbouring homes.
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