[Amps] Silly (use of) variac question

[Bill Aycock]

If you have a system that is 120-0-120 and black, white and green wires, 
you are in BAD violation of code, concerning wire color code for ID.
Better check that out!
Bill

Vic K2VCO wrote:

>Scott Townley wrote:
>  
>
>>OK...gonna slowly bring up an old amp that runs on 240VAC only.  I
>>have 240VAC into the shack and a 240VAC variac (Powerstat model 246).
>>I went to hook it up and...I can't figure it out :-( The wall socket
>>is 120-0-120 of course, and that's what the amp expects too (3-wire
>>black-white-green).  How does the ground (green) wire play with the
>>variac in line? 
>>    
>>
>
>The green wire should go to the chassis of the amp.  It does not connect 
>to the variac (unless the variac is in a box which you could ground 
>too).  The black and white wires go across the whole variac coil.  The 
>two non-ground wires to the amp go to one side of the variac coil and 
>the movable tap.
>  
>

-- 
Bill Aycock W4BSG
Woodville, Alabama