CON error on megger for RCD test

Discussion in 'Electricians' Talk' started by Joris Hazelwood, Aug 20, 2020.

  1. Joris Hazelwood

    Joris Hazelwood New Member

    I was doing to an RCD test today and wasn't sure why I kept having to same problem. My megger kept giving me a CON message though all terminations were sound. Any suggestions? Thanks.
  2. sparky steve

    sparky steve Screwfix Select

    con usually means a wrong connection to the megger. Did you check your connections?
    spinlondon likes this.
  3. 112handyman

    112handyman New Member

    Most likely you have used the neutral lead

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