"David G" notreallyhere@sure wrote in message
. com...
I have been playing around with a Tool Transformer for 110v power tools.
Using an earth leak tester I found that the earth pin on the 240 side gave
a reading on earth, neutral and live on the 110v side. I assume this is the
centre tapped earth, but am curious to know why this is so.

TIA

--
Regards


David G

So that if you get a shock between one of the wires and earth you only end
up with 55v going through you.