[Amps] Safety grounding - was Mains Isolation Transformer

[Gudguyham at aol.com]

In a message dated 7/3/2006 4:39:09 P.M. Eastern Standard Time, r at somis.org  
writes:

4-wire 240v circuits. 


Lou





No such thing........THIS what you refer to is properly termed a 240/120  
volt circuit, NOT a 4 wire 240V circuit.