Quote Originally Posted by Dylboy View Post
Thinking again... Use a contactor rather to make that N E bridge... Doing a perm one even at the change over at the input of the genny would still not have it disconnect when in change over so if the grid as issues it may be the N and E point for the street...

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When on mains supply, the neutral from the generator must be disconnected from the installation as well as the live. Therefore the N to E bridge on the generator doesn't become the N to E bridge point "for the street". The generator neutral will remain connected to earth only.