ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades MEN System in NZ

Apparently, it is to ensure safety of the installation, should the earth-potential Neutral break, just a back up I suppose, as the Earth will carry the Neutral current.
This really sets up a dangerous situation, if you have ever disconnected the N-E link,in a place that has a broken Neutral,you know the sparks that can fly.
Just as a note, this link is to be removed only for testing purposes.

Unless its in a Hospital Cardiac care unit or ICU
CW

Hear you there mate,
But, how many of us do this sort of work?.
They have their own intensive testing regime.
Best left alone.

Yep you have that right, one of them jobs is like the old railways, post office, you were born into it. and luck to them as far as im concerened.