[TCML] pig Jacobs

[Barton B. Anderson]

Yes. Likely a nichrome element. But regardless of probability I like to 
swing to the side of safety for more reasons than just the element.

Take care,
Bart

Mddeming at aol.com wrote:
>  
> In a message dated 11/26/07 11:29:50 P.M. Eastern Standard Time,  
> bartb at classictesla.com writes:
>
> Hi  David,
>
> Well, 50A is pretty high for a simple jacobs ladder. Putting the  element 
> in a cool bath is a good idea. The pig isn't what will fry. In the  worst 
> case scenario, the element will fail and remove the primary limiting  
> device. In that case, the only limiting is the arc impedance itself. You  
> would recognize this by a big change in the arc (brighter, hotter,  
> faster). The breaker may not trip, so if you recognize any change, shut  
> down the pig yourself.
>
> Take care,
> Bart
>
>
> Hi Bart,
>  
> Aren't high power resistive elements usually high-R wire, possibly on  
> ceramic form, and therefore fail open rather than short out?
>  
> Matt D.
>
>
>
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