Re: homemade ballasts

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "robert heidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-desertgate-dot-com>

BK: May I suggest you look for AC power ground wire used to provide a ground
lead on home breaker boxes. This wire is not insulated or coated in any way.
   Robert  H

> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Tue, 24 Sep 2002 19:50:06 -0600
> To: tesla-at-pupman-dot-com
> Subject: Re: homemade ballasts
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Tue, 24 Sep 2002 20:05:30 -0600
> 
> Original poster: "BunnyKiller by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <bigfoo39-at-telocity-dot-com>
> 
> Tesla list wrote:
> 
>> Original poster: "Gregory Peters by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <s371034-at-student.uq.edu.au>
>> 
>> Hello all,
>> 
>> I have currently been using two welders in parallel to ballast my
>> PDT. However, two welders isn't exactly space efficient, so I would
>> like to make my own ballast using either an EI core or tube full of
>> metal rods. Is there any reason why I can't use stranded pvc
>> insulated wire for this purpose? Everyone seems to use solid core
>> THHN wire. Firstly, what the heck is THHN? I can't find any reference
>> to this type of wire in any Australian catalogues. In any case, other
>> than magnet wire, I can't find any solid core wire that is thick
>> enough to handle ~50 amps.
>> 
>> Cheers,
>> 
>> Greg.
>> 
>> 
>> 
>> 
>> 
> Hi Greg..
> 
> THHN is an insulation rating that describes the material  ( in this case
> type of plastic) heat range... etc.
> 
> If you cant find a #6 or 8 wire use 2 #10's in place of the 6 or 8
> when I wound my inductor I used 3 # 10's for the expected amps involved ...
> 
> 
> Scot D
> 
> 
> 
> 
> 
>