I have just fitted a split load board to replace a unit that is probably about 15 years old (mini trips) for a house that has recently been extended. The new circuits for the extension have been connected to the unit without fault. However, upon adding the existing circuits, the RCD trips when a particular power ring is added. Unfortunately, this power ring has been wired so that both upstairs and downstairs sockets are on the single circuit. We have told the client that the circuit has a fault, but no matter what we say they come back with the comment 'well it was working before you put the new consumer unit up!'. Ideally, this circuit should be on an RCD, because of the downstairs sockets. The client does not want us to find the fault because 'it was already working'. Should we just put the circuit on the unprotected side of the unit, just on an MCB, so in effect putting it back to its original safety state.
I am aware of what the guide-lines are, but on site and faced with this problem what would the 'voice of experience' say?
I am aware of what the guide-lines are, but on site and faced with this problem what would the 'voice of experience' say?