We have a Mains Earth Neutral system (MEN).

Voltage is supplied between an active line and a neutral, with the neutral also being earth bonded at the switchboard.

Pulling current from any pin to ground will trip a safety element called a Residual Current Device (RCD) - That's what protects kids from sticking forks into toasters..

We also have 415 volts available in domestic homes if they have all three phases pulled into the house, measured between the phases.

Kindest regards,

Doug Jackson

ph: 0414 986878

Check out my awesome clocks at www.dougswordclocks.com
Follow my amateur radio adventures at vk1zdj.net

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On Thu, 9 Jun 2022 at 10:50, ken Schwieker <ksweek@mindspring.com> wrote:
Been wondering something about your power. If you
measured from each pin to ground what would the
reading be?  If at the mid point can you pull any
current from one pin to ground?

Ken S

 >Yep,

 >We have been 240v since the dawn of time, then
the Europeans mucked around with a standard and now we are 230v.

 >In typical Oz humor, we defined the voltage
standard as being 230 V as the nominal voltage
with a +10% to –6% variation at the point of supply, i.e., 253 V >to 216.2 V.


 >I had a mate of mine spend too much time in
Europe and it made his brain go funny - He
almost had a meltdown when I showed him the 240V from his >mains socket...

 >Kindest regards,

 >Doug Jackson

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