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Cheers, Thanks. After having a good think through the problems, a super dangerous condition only really exists with a P/E transposition. In this case the hull is at 230V above earth and other correctly wired ship hulls on shore supply. Appliances will not work, but unless the fault trips the supply ...

Query for the gurus out there; I'm trying to come to terms with the intent of NZS 3004.2:2014 3.5.3.2 under "changeover switch for boat with its own ac power system" I understand the concept of a changeover switch iac with this standard and 3000, What I dont understand is why this clause mandates a ...

Thanks for that, your reponse is very much appreciated. The crazy thing here is that there are already two installations running off the one mains cable, its just there is only one revenue meter installed currently. And the supply authority is happy with the current setup. 3.9.8.2 seems a bit hazy t...

I have a customer that has converted part of their house into a (council consented) flat. There is currently one revenue meter for both dwellings, and the flat runs off a check meter. The electrical system is now getting an upgrade, and they want to relocate the revenue meter. They have asked me to ...