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shed supply

Eclipse
Guys,

Just some advice please! 

my son has installed a new 6m/m 3C SWA supply to his new wooden shed,( no extranous parts) its going to be terminated into a 4 way consumer unit (RCD main swt) and used to power & lighting in the shed and some lighting in the garden,

question is:

The source end in the house is a twin RCD board, so using a spare way on either side will give the supply cable RCD protection, but what about the RCD in the shed board? is it advisable to keep both? 



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    Eclipse:

    Alan,

    Thanks for that, 

    the incomng supply is tnc-s, so initially i was thinking of spliting the incoming tails through blocks and installing a single enclosed MCB which the SWA would terminate to, this then leaving the RCD at the shed end, correct or not?

    if not, then as you suggest i'd have to try and retro fit an S type RCD into one side of the existing board.




    If you fit an S type RCD in place of one of the RCDs in your main board, you will lose your additional protection in that part of the house.

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  • 0

    Eclipse:

    Alan,

    Thanks for that, 

    the incomng supply is tnc-s, so initially i was thinking of spliting the incoming tails through blocks and installing a single enclosed MCB which the SWA would terminate to, this then leaving the RCD at the shed end, correct or not?

    if not, then as you suggest i'd have to try and retro fit an S type RCD into one side of the existing board.




    If you fit an S type RCD in place of one of the RCDs in your main board, you will lose your additional protection in that part of the house.

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