If I was to install a new shower for someone using an rcbo as theres no rcd protection would this be ok? What i mean is am I ok as long as the circuit I have installed is protected? Or would it be up to me to make sure there was protection for the other circuits?
Personally I think that if the supplementary bonding was not up to standard then you would have to ensure that every circuit in the location is RCD protected and that supplementary bonding could be omitted in all the circumstances.
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