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Removing the MEN link

While we’re at the MSB removing the MEN; the TB requires us to check the main earthing system. Including:

  1. check that there actually is an earth electrode
  2. check that the main earthing conductor is actually connected to the earth electrode;
  3. check that the main earthing conductor is actually connected to the earth bar
  4. NOT to the N-bar, as used to be common.  If it’s connected to the N-bar, it can’t do its job while the MEN isn’t in place. So if that’s where it is, move it.