[Amps] Safety grounding - was Mains Isolation Transformer

[Jim Brown]

On Mon, 3 Jul 2006 16:08:32 -0400, David C. Hallam wrote:

>The 3rd wire of the 240VAC line, neutral, is connected to the chassis.
>120VAC is derived from one phase and ground

The third wire in a properly wired North American 240 volt outlet is NOT 
neutral, it is equipment ground (that is, safety ground), and the outlet 
bonds it to the backbox. 

Jim Brown K9YC