In article , David Billington
wrote:

On 24/05/13 19:29, janders wrote:
On 5/24/2013 8:47 AM, Lloyd E. Sponenburgh wrote:

Likely, the current is low. Most "neons" pass only low tens of
milliamps, max. If that's the case, most any small power transformer
rated for 6-10VA with a center-tapped 220V primary would do.

Use it in "autoformer" mode, hooking 220V to the outside leads, and
tapping 110V from the line-neutral leg to the center leg.

Ok, just to make sure bases are covered, I've been told that in
Australia, 220 is -220-, either leg to ground is 220, not 110.
Don't know if that changes anything you wrote above...


Jon
I would expect Australia to be like the UK so you would have live,
neutral and ground, where neutral and ground are tied together at the
substation, and live is one leg of the 3 phase distribution system for a
single phase supply. So you would get 220V from live to ground or
neutral, neutral to ground should be 0V but might have a small
difference but it should be very small.

I have heard that the difference is that Aussies distribute three phase
corner-grounded delta even to residences, so simple voltage
measurements don't add up as expected because the wires are out of
phase with one another.

However, I have not been able to find any web cites to back this up.
Perhaps there is an Australian on the group who knows the details.

Joe Gwinn