[Amps] Dedicated 220AC Wiring for Amps..

[R.Measures]

On Oct 14, 2005, at 7:39 AM, Bill Fuqua wrote:

>                 The minimum size wire specified in the “National 
> Electrical Code” is chosen for voltage drop, and to make it easy for 
> the electricians to make the right choice, in most cases,  and not for 
> temperature rise.  I have had a problem with electricians insisting 
> that a larger size wire is not allowed.

Guffaw!  The only time a larger size wire is not allowed is when it 
won't fit in the wire clamp in the connector.

> And of coarse it is.  Some people function on simple sets of rules and 
> just can't make decisions based voltage drop, wire size and length.  
> So the code accommodates these people who are hopefully not the 
> licensed electricians but their helpers.

Licensed electricians are unlikely to have knowledge of C-filter anode 
supplies.
>         
>         I ran #6 to my amplifier off an 20 amp 240 volt breaker. It is 
> a fairly short run but it did solve my voltage drop problem.  I am 
> considering adding a filtering choke to my power supply. At a full 240 
> volts it produces much higher voltage my 4-1000A amplifier needs.

4-1000As run well at 6000 - 7000v.

> This naturally, doing this  would eliminate the need for the larger 
> wire but would add weight to the power supply.  The upside is that the 
> load regulation would improve.

True, but only if it was a resonant-choke filter
>
>  73
>  Bill wa4lav
>
>> > #12 will get pretty warm at 29 amps.
>>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org