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Discuss RCBO - What would happen if I didn’t connect the neutral of the RCBO? in the Electrical Forum area at ElectriciansForums.net

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Please can someone tell me what would happen if the neutral of the RCBO wasn’t connected would the circuit still work ?
 
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  • #4
Ok thanks , someone told me the neutral fly lead of the RCBO didn’t have to be connected thought it was rubbish
 

davesparks

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Ok thanks , someone told me the neutral fly lead of the RCBO didn’t have to be connected thought it was rubbish
Are you sure they weren't talking about the functional earth fly lead? Some people think this doesn't have to be connected which is also incorrect, this must be connected if fitted by the manufacturer.
 
  • Thread Starter Thread Starter
  • #10
Are you sure they weren't talking about the functional earth fly lead? Some people think this doesn't have to be connected which is also incorrect, this must be connected if fitted by the manufacturer.
No the neutral , thanks though !
 
Ok thanks , someone told me the neutral fly lead of the RCBO didn’t have to be connected thought it was rubbish
Tell that person they are an idiot !

An RCD monitors the current flowing in both the line and the neutral, and when there is an imbalance between the two, the RCD trips. The functional earth fly lead is required to be connected to earth so that the test facility will work. All an RCBO is, is an RCD combined with a CB
 

Ian1981

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The functional earth lead allows the device to operate even if there is a lost neutral connection
That is it’s function
 
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