speedy turtle wrote:
> I am looking for the formulas to generate the graphs
> that represent "Current in amperes" vs "Cross section in
> square mils" and any others of similar type.
> Does anyone know where I can obtain these formulas ?

I'm almost sure those graphs were derived from empirical data,
not from formulas

Check here for a great inexpensive solution:
http://www.ionet.net/~rajones/