[Antennas] Statement of fact about power system grounds.

[Richard (Rick) Karlquist]

Notice that I said "120/240V" dryers.  Appliances that are
purely 240V are fine with 3 prong plugs.   They don't need
a neutral.  Some stoves are 120/240V and thus need 4 prong
plugs.  They don't qualify for the dryer exemption.

David Ring wrote:
> Does that mean that all 240 VAC devices wired with 3 prong plugs also 
> violate the rule?
> 
> My stove and amplifier are three rong plugs - what is happening 
> differently with a clothes dryer?  And where does the "fourth" prong 
> go?  Are these new plugs two phases of ac voltage (240 V between them), 
> neutral and ground?

Yes.

Rick N6RK