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Discuss Adding sub board to main consumer unit on tt in the UK Electrical Forum area at ElectriciansForums.net

Make sure that RCD up front (100ma) is time delayed, if you install a 30ma rcd down stream the 100ma rcd could still trip unless time delayed.
 

Reply to Adding sub board to main consumer unit on tt in the UK Electrical Forum area at ElectriciansForums.net

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