[Amps] Dedicated 220AC Wiring for Amps..

[R.Measures]

On Oct 14, 2005, at 6:44 AM, Carcia, Francis A HS wrote:

> #12 will get pretty warm at 29 amps.

In a conduit, yes.  In open air no.  For a C-filter supply, wire temp 
is not the issue.
>
> -----Original Message-----
> From: Gudguyham at aol.com [mailto:Gudguyham at aol.com]
> Sent: Friday, October 14, 2005 9:40 AM
> To: amps080605 at w4zt.com; n5ito at davidv.net
> Cc: amps at contesting.com
> Subject: Re: [Amps] Dedicated 220AC Wiring for Amps..
>
> In a message dated 10/13/2005 7:44:04 PM Eastern Daylight Time,
> amps080605 at w4zt.com writes:
>
> Dave,
>
> Below you said you were running 4 breakers, each 30 amps.  Then you 
> said
> two of those breakers would be wired with #12 wire.  If  your breaker 
> is
> going to be a 30 amp breaker, you must, for safety's sake  and to meet
> NEC, use at least #10 wire. You should NEVER use wire rated  less than
> the capacity of the breaker.  If you are using #12 wire,  the breaker
> should never be larger than 20 amps. The length of the run is  of no
> consideration when it comes to meeting the minimum requirement of  the
> code.
> This is NOT entirely true. If you are running motor circuits you may 
> up the
>
> rating of the circuit breaker well over the size wire that is being 
> used.
> However, for branch circuits the above is true, but as I have stated, 
> NOT
> always.
>
>
>
>
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>

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